Articles | Volume 18, issue 22
https://doi.org/10.5194/gmd-18-8627-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gmd-18-8627-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Development and technical paper
| 
17 Nov 2025
Development and technical paper |
| 17 Nov 2025
| 17 Nov 2025
The Speciated isoprene emission model with the MEGAN algorithm for China (SieMAC)
Shengjun Xi
School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, 30318, United States
School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, 30318, United States
Xiangyang Yuan
Key Laboratory of Ecosystem Carbon Source and Sink, China Meteorological Administration (ECSS-CMA), School of Ecology and Applied Meteorology, Nanjing University of Information Science & Technology, Nanjing, 210044, China
Zhaozhong Feng
Key Laboratory of Ecosystem Carbon Source and Sink, China Meteorological Administration (ECSS-CMA), School of Ecology and Applied Meteorology, Nanjing University of Information Science & Technology, Nanjing, 210044, China
Fanghe Zhao
School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, 30318, United States
Yanli Zhang
State Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou, 510640, China
Xinming Wang
State Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou, 510640, China
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Yifan Zhang, Guanhong Zhu, Rui Li, Mingyuan Liu, Yi Yang, Tianyu Zhang, Yizhu Chen, Jinlong Ma, Xinming Wang, and Mingjin Tang
Atmos. Chem. Phys., 26, 14073–14084, https://doi.org/10.5194/acp-26-14073-2026, https://doi.org/10.5194/acp-26-14073-2026, 2026
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This work measured isotopic compositions for aerosol Fe from desert dust and several anthropogenic sources. We revealed large variability in the Fe isotopic endmember values both among and within different anthropogenic aerosols, and found that not all the anthropogenic aerosol Fe is isotopically lighter than natural dust Fe.
Xiaocong Peng, Wei Song, Guohua Zhang, Qinhao Lin, Jianlin Cheng, Yang Li, Xinru Huang, Baoyi Chen, Jianzhong Song, Yingjun Chen, Gan Zhang, Ping’an Peng, Xinming Wang, and Xinhui Bi
EGUsphere, https://doi.org/10.5194/egusphere-2026-5314, https://doi.org/10.5194/egusphere-2026-5314, 2026
This preprint is open for discussion and under review for Atmospheric Chemistry and Physics (ACP).
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Burning biomass releases black carbon (BC), but its precursors are unclear. We burned two fuels at three temperatures, measuring particles, gases, and BC. Furans, oxygenated aromatics, single-ring aromatics, and polycyclic aromatic hydrocarbons correlated with BC in the particle phase. Higher temperatures boosted BC—not by producing more precursors, but by converting them efficiently. Different fuels also produced distinct molecular fingerprints. These explain why BC emissions vary so much.
Shan Huang, Lina Wu, Yi Kuang, Yuan Liu, Weiwei Hu, Ye Kuang, Wei Li, Qicong Song, Yuwen Peng, Suxia Yang, Mingfu Cai, Duohong Chen, Dingli Yue, Wei Song, Bin Yuan, Xinming Wang, and Min Shao
EGUsphere, https://doi.org/10.5194/egusphere-2026-4552, https://doi.org/10.5194/egusphere-2026-4552, 2026
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This study reports field measurements of particulate organonitrates in a mixed anthropogenic-biogenic subtropical atmosphere, revealing contrasting formation regimes between urban and rural sites. Daytime photochemistry and regional transport dominated urban organonitrates, while nighttime formation from anthropogenic precursors and refractory organic nitrate from biomass burning both contributed to rural organonitrates. Our findings improve understanding of organonitrate formation.
Hua Fang, Hongling Xu, Jun Li, Qina Jia, Shutan Ma, Xuanxuan Duan, Bing Hong, Ting Wu, Fuliu Xu, and Xinming Wang
EGUsphere, https://doi.org/10.5194/egusphere-2026-4389, https://doi.org/10.5194/egusphere-2026-4389, 2026
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We conducted four‑season field measurements of primary intermediate‑volatility organic compounds (IVOCs) at an urban site in the Yangtze River Delta, China. Measured IVOCs peaked in summer and reached a minimum in winter, driven by temperature‑dependent evaporative emissions and gas/particle partitioning. Our findings highlight that evaporative emissions are increasingly important for urban IVOC budgets under climate warming and should be considered in air quality models and control strategies.
Xiao Tian, Hongcheng Lu, Wei Song, Xue Yu, and Xinming Wang
Atmos. Meas. Tech., 19, 4797–4813, https://doi.org/10.5194/amt-19-4797-2026, https://doi.org/10.5194/amt-19-4797-2026, 2026
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Organic nitrates influence ozone formation and fine particle pollution, yet measuring them in both gas and particle phases remains challenging. We developed an instrument using thermal dissociation with NO2 detector to quantify two organic nitrate classes in both phases. A correction-model corrects biases from nitrogen oxides. Field tests in Guangzhou showed continuous tracking of organic nitrate levels and phase distribution, a tool for studying reactive nitrogen in urban air.
Rui Li, Haley E. Plaas, Yifan Zhang, Yizhu Chen, Tianyu Zhang, Yi Yang, Sagar Rathod, Guohua Zhang, Xinming Wang, Douglas S. Hamilton, and Mingjin Tang
Atmos. Chem. Phys., 26, 9037–9060, https://doi.org/10.5194/acp-26-9037-2026, https://doi.org/10.5194/acp-26-9037-2026, 2026
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This work measured solubility of aerosol Fe from several distinct anthropogenic sources, updated aerosol Fe solubility parameterizations used in the Community Earth System model, and found that residential burning is a significant source of soluble aerosol Fe to the ocean.
Xiao Tian, Jianqiang Zeng, Yanli Zhang, Weihua Pang, Yuting Lu, Haofan Ran, Hao Guo, Zhaobin Mu, Wei Song, and Xinming Wang
Atmos. Chem. Phys., 26, 6213–6221, https://doi.org/10.5194/acp-26-6213-2026, https://doi.org/10.5194/acp-26-6213-2026, 2026
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This study measured a statistically representative number of 2-month-old and 2-year-old eucalyptus trees using both leaf cuvettes and dynamic branch chambers. It demonstrated equivalent isoprene results between the two enclosure methods, yet contrasting emission magnitude and speciation among age groups. Current seedling- and adult-tree-mixed emission factor databases may thus misjudge ozone and secondary organic aerosol simulation, thus age-resolved data will improve air quality forecasts.
Nanhong Xie, Tijian Wang, Shu Li, Bingliang Zhuang, Mengmeng Li, Min Xie, Qian Zhang, Danyang Ma, Jane Liu, Jing M. Chen, Zhaozhong Feng, Dimitrios Melas, and Kostas Karatzas
Atmos. Chem. Phys., 26, 5925–5945, https://doi.org/10.5194/acp-26-5925-2026, https://doi.org/10.5194/acp-26-5925-2026, 2026
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Since 2013, China’s Clean Air Action has altered land carbon uptake. Our modeling shows that while aerosols and nitrogen deposition previously boosted the carbon sink, their effects have weakened. Conversely, ozone's negative impact has grown. This shifts the overall atmospheric influence from enhancement to suppression. Controlling ozone is thus key for dual benefits in clean air and carbon neutrality.
Aoxing Zhang, Tzung-May Fu, Yuhang Wang, Enyu Xiong, Wenlu Wu, Yumin Li, Lei Zhu, Wei Tao, Kelley C. Wells, Dylan B. Millet, Zhe Wang, Bin Yuan, Min Shao, Christophe Lerot, Thomas Danckaert, Ruixiong Zhang, and Kelvin H. Bates
Atmos. Chem. Phys., 26, 5123–5150, https://doi.org/10.5194/acp-26-5123-2026, https://doi.org/10.5194/acp-26-5123-2026, 2026
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Glyoxal, a product of volatile organic compound oxidation, influences atmospheric oxidation and aerosol formation but is underestimated in models. By improving emissions, chemistry, and marine sources in GEOS-Chem, we better reproduce observed glyoxal over land and ocean, which strengthens global oxidation capacity and aerosol formation. The results highlight glyoxal's role as a proxy of atmospheric oxidation, and emphasize the needs of accurately representing glyoxal chemistry.
Yunfeng He, Xiang Ding, Quanfu He, Yuqing Zhang, Metin Baykara, Duohong Chen, Tao Zhang, Kong Yang, Junqi Wang, Qian Cheng, Hao Jiang, Zirui Wang, Ping Liu, Xinming Wang, and Michael Boy
Atmos. Chem. Phys., 26, 1093–1107, https://doi.org/10.5194/acp-26-1093-2026, https://doi.org/10.5194/acp-26-1093-2026, 2026
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This study conducted long-term measurements of oxalic acid and molecular markers of primary anthropogenic emissions and secondary organic aerosols (SOA). We found that the reductions in anthropogenic precursors had limited impacts on SOA formation. The results highlight the increasing role of gas-phase oxidation under low-pollution conditions, emphasizing the need for effective ozone control strategies to mitigate SOA formation.
Wenhui Zhao, Weiwei Hu, Zhaoce Liu, Tianle Pan, Tingting Feng, Jun Wang, Yiyu Cai, Lin Liang, Shan Huang, Bin Yuan, Nan Ma, Min Shao, Guohua Zhang, Xinhui Bi, Xinming Wang, and Pengfei Yu
Atmos. Chem. Phys., 26, 135–154, https://doi.org/10.5194/acp-26-135-2026, https://doi.org/10.5194/acp-26-135-2026, 2026
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Our study examined brown carbon – organic aerosols that absorb light – at the remote Tibet and urban Guangzhou. Field data showed Tibet’s brown carbon absorbs about 10 times less than Guangzhou’s, due to cleaner air. Yet, over 75 % of its light absorption still comes from primary emission, which causes over 98 % of its climate-warming effect in both places. This study advances understanding of brown carbon dynamics and its sources in diverse environments for global climate effects.
Tianyu Zhang, Yizhu Chen, Huanhuan Zhang, Lei Liu, Chengpeng Huang, Zhengyang Fang, Yifan Zhang, Fu Wang, Lan Luo, Guohua Zhang, Xinming Wang, and Mingjin Tang
Atmos. Chem. Phys., 25, 17091–17106, https://doi.org/10.5194/acp-25-17091-2025, https://doi.org/10.5194/acp-25-17091-2025, 2025
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This work investigated seasonal variations of aerosol aluminium solubility for supermicron and submicron particles at two locations in northern China. We conclude that atmospheric chemical processing, in which aerosol liquid water and acidity play vital roles, dictates aerosol aluminium solubility.
Wei Feng, Xiangyu Zhang, Zhijuan Shao, Guofeng Shen, Hong Liao, Yuhang Wang, and Mingjie Xie
Atmos. Chem. Phys., 25, 16697–16711, https://doi.org/10.5194/acp-25-16697-2025, https://doi.org/10.5194/acp-25-16697-2025, 2025
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In this work, the relative differences in particle concentrations of water-soluble organic molecular markers (WSOMMs) between the collocated filter samples represent the uncertainties in the measurements. The comparisons between the measurements of chemically treated and untreated backup filter samples indicate that the WSOMMs detected on the backup filters may originate from heterogeneous reactions on the filter surfaces, but are not caused by the adsorption of gaseous molecules.
Yunfeng He, Xiang Ding, Quanfu He, Yuqing Zhang, Duohong Chen, Tao Zhang, Kong Yang, Junqi Wang, Qian Cheng, Hao Jiang, Zirui Wang, Ping Liu, Xinming Wang, and Michael Boy
Atmos. Chem. Phys., 25, 13729–13745, https://doi.org/10.5194/acp-25-13729-2025, https://doi.org/10.5194/acp-25-13729-2025, 2025
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This study presented field measurements of PM2.5 and its chemical composition at a regional background site in the Pearl River Delta (PRD) from 2007 to 2020. As air quality improved, secondary species became more dominant. The changes in chemical composition led to the reductions in aerosol acidity, liquid water content and light extinction coefficient. Our results help to improve understanding of the secondary species formation under decreasing anthropogenic emissions.
Zhouxing Zou, Tianshu Chen, Qianjie Chen, Weihang Sun, Shichun Han, Zhuoyue Ren, Xinyi Li, Wei Song, Aoqi Ge, Qi Wang, Xiao Tian, Chenglei Pei, Xinming Wang, Yanli Zhang, and Tao Wang
Atmos. Chem. Phys., 25, 8147–8161, https://doi.org/10.5194/acp-25-8147-2025, https://doi.org/10.5194/acp-25-8147-2025, 2025
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We measured ambient OH and HO2* (HO2 and contribution from RO2, organic peroxyl radicals) concentrations at a subtropical rural site and compared our observations with model results. During warm periods, the model overestimated concentrations of OH and HO2, leading to overestimation of ozone and nitric acid production. Our findings highlight the need to better understand how OH and HO2 are formed and removed, which is important for accurate air quality and climate predictions.
Jianqiang Zeng, Yanli Zhang, Haofan Ran, Weihua Pang, Hao Guo, Zhaobin Mu, Wei Song, and Xinming Wang
Atmos. Meas. Tech., 18, 1811–1821, https://doi.org/10.5194/amt-18-1811-2025, https://doi.org/10.5194/amt-18-1811-2025, 2025
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This study revealed the existence of significant species-specific adsorptive and reactive losses of monoterpenes and sesquiterpenes in dynamic chambers. The deuterated α-pinene-d3 and β-caryophyllene-d2 were proven as effective surrogates in tracing these losses for some key monoterpenes and sesquiterpenes. The findings highlight the importance of selecting internal surrogates that closely match the adsorptive and reactive behaviors of target compounds for precise loss correction.
Pritha Pande, Sam Bland, Nathan Booth, Jo Cook, Zhaozhong Feng, and Lisa Emberson
Biogeosciences, 22, 181–212, https://doi.org/10.5194/bg-22-181-2025, https://doi.org/10.5194/bg-22-181-2025, 2025
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The DO3SE-Crop model extends the DO3SE to simulate ozone's impact on crops with modules for ozone uptake, damage, and crop growth from JULES-crop. It's versatile, suits China's varied agriculture, and improves yield predictions under ozone stress. It is essential for policy, water management, and climate response, and it integrates into Earth system models for a comprehensive understanding of agriculture's interaction with global systems.
Tianle Pan, Andrew T. Lambe, Weiwei Hu, Yicong He, Minghao Hu, Huaishan Zhou, Xinming Wang, Qingqing Hu, Hui Chen, Yue Zhao, Yuanlong Huang, Doug R. Worsnop, Zhe Peng, Melissa A. Morris, Douglas A. Day, Pedro Campuzano-Jost, Jose-Luis Jimenez, and Shantanu H. Jathar
Atmos. Meas. Tech., 17, 4915–4939, https://doi.org/10.5194/amt-17-4915-2024, https://doi.org/10.5194/amt-17-4915-2024, 2024
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This study systematically characterizes the temperature enhancement in the lamp-enclosed oxidation flow reactor (OFR). The enhancement varied multiple dimensional factors, emphasizing the complexity of temperature inside of OFR. The effects of temperature on the flow field and gas- or particle-phase reaction inside OFR were also evaluated with experiments and model simulations. Finally, multiple mitigation strategies were demonstrated to minimize this temperature increase.
Fang Li, Zhimin Zhou, Samuel Levis, Stephen Sitch, Felicity Hayes, Zhaozhong Feng, Peter B. Reich, Zhiyi Zhao, and Yanqing Zhou
Geosci. Model Dev., 17, 6173–6193, https://doi.org/10.5194/gmd-17-6173-2024, https://doi.org/10.5194/gmd-17-6173-2024, 2024
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A new scheme is developed to model the surface ozone damage to vegetation in regional and global process-based models. Based on 4210 data points from ozone experiments, it accurately reproduces statistically significant linear or nonlinear photosynthetic and stomatal responses to ozone in observations for all vegetation types. It also enables models to implicitly capture the variability in plant ozone tolerance and the shift among species within a vegetation type.
Yuanyuan Qin, Xinghua Zhang, Wei Huang, Juanjuan Qin, Xiaoyu Hu, Yuxuan Cao, Tianyi Zhao, Yang Zhang, Jihua Tan, Ziyin Zhang, Xinming Wang, and Zhenzhen Wang
Atmos. Chem. Phys., 24, 8737–8750, https://doi.org/10.5194/acp-24-8737-2024, https://doi.org/10.5194/acp-24-8737-2024, 2024
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Environmental persistent free radicals (EPFRs) and reactive oxygen species (ROSs) play an active role in the atmosphere. Despite control measures having effectively reduced their emissions, reductions were less than in PM2.5. Emission control measures performed well in achieving Parade Blue, but reducing the impact of the atmosphere on human health remains challenging. Thus, there is a need to reassess emission control measures to better address the challenges posed by EPFRs and ROSs.
Tong Sha, Siyu Yang, Qingcai Chen, Liangqing Li, Xiaoyan Ma, Yan-Lin Zhang, Zhaozhong Feng, K. Folkert Boersma, and Jun Wang
Atmos. Chem. Phys., 24, 8441–8455, https://doi.org/10.5194/acp-24-8441-2024, https://doi.org/10.5194/acp-24-8441-2024, 2024
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Using an updated soil reactive nitrogen emission scheme in the Unified Inputs for Weather Research and Forecasting coupled with Chemistry (UI-WRF-Chem) model, we investigate the role of soil NO and HONO (Nr) emissions in air quality and temperature in North China. Contributions of soil Nr emissions to O3 and secondary pollutants are revealed, exceeding effects of soil NOx or HONO emission. Soil Nr emissions play an important role in mitigating O3 pollution and addressing climate change.
Juanjuan Qin, Leiming Zhang, Yuanyuan Qin, Shaoxuan Shi, Jingnan Li, Zhao Shu, Yuwei Gao, Ting Qi, Jihua Tan, and Xinming Wang
Atmos. Chem. Phys., 24, 7575–7589, https://doi.org/10.5194/acp-24-7575-2024, https://doi.org/10.5194/acp-24-7575-2024, 2024
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The present research unveiled that acidity dominates while transition metal ions harmonize with the light absorption properties of humic-like substances (HULIS). Cu2+ has quenching effects on HULIS by complexation, hydrogen substitution, or electrostatic adsorption, with aromatic structures of HULIS. Such effects are less pronounced if from Mn2+, Ni2+, Zn2+, and Cu2+. Oxidized HULIS might contain electron-donating groups, whereas N-containing compounds might contain electron-withdrawing groups.
Wei Sun, Xiaodong Hu, Yuzhen Fu, Guohua Zhang, Yujiao Zhu, Xinfeng Wang, Caiqing Yan, Likun Xue, He Meng, Bin Jiang, Yuhong Liao, Xinming Wang, Ping'an Peng, and Xinhui Bi
Atmos. Chem. Phys., 24, 6987–6999, https://doi.org/10.5194/acp-24-6987-2024, https://doi.org/10.5194/acp-24-6987-2024, 2024
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The formation pathways of nitrogen-containing compounds (NOCs) in the atmosphere remain unclear. We investigated the composition of aerosols and fog water by state-of-the-art mass spectrometry and compared the formation pathways of NOCs. We found that NOCs in aerosols were mainly formed through nitration reaction, while ammonia addition played a more important role in fog water. The results deepen our understanding of the processes of organic particulate pollution.
Ping Liu, Xiang Ding, Bo-Xuan Li, Yu-Qing Zhang, Daniel J. Bryant, and Xin-Ming Wang
Atmos. Meas. Tech., 17, 3067–3079, https://doi.org/10.5194/amt-17-3067-2024, https://doi.org/10.5194/amt-17-3067-2024, 2024
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In this paper, we further optimize the measurement of atmospheric organosulfates by hydrophilic interaction liquid chromatography (HILIC), offering an improved method for quantifying and speciating atmospheric organosulfates. These efforts will contribute to a deeper understanding of secondary organic aerosol precursors, formation mechanisms, and the contribution of organosulfate to atmospheric aerosols, ultimately guiding research in the field of air pollution prevention and control.
Wenjie Wang, Bin Yuan, Hang Su, Yafang Cheng, Jipeng Qi, Sihang Wang, Wei Song, Xinming Wang, Chaoyang Xue, Chaoqun Ma, Fengxia Bao, Hongli Wang, Shengrong Lou, and Min Shao
Atmos. Chem. Phys., 24, 4017–4027, https://doi.org/10.5194/acp-24-4017-2024, https://doi.org/10.5194/acp-24-4017-2024, 2024
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This study investigates the important role of unmeasured volatile organic compounds (VOCs) in ozone formation. Based on results in a megacity of China, we show that unmeasured VOCs can contribute significantly to ozone fomation and also influence the determination of ozone control strategy. Our results show that these unmeasured VOCs are mainly from human sources.
Yawen Liu, Yun Qian, Philip J. Rasch, Kai Zhang, Lai-yung Ruby Leung, Yuhang Wang, Minghuai Wang, Hailong Wang, Xin Huang, and Xiu-Qun Yang
Atmos. Chem. Phys., 24, 3115–3128, https://doi.org/10.5194/acp-24-3115-2024, https://doi.org/10.5194/acp-24-3115-2024, 2024
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Fire management has long been a challenge. Here we report that spring-peak fire activity over southern Mexico and Central America (SMCA) has a distinct quasi-biennial signal by measuring multiple fire metrics. This signal is initially driven by quasi-biennial variability in precipitation and is further amplified by positive feedback of fire–precipitation interaction at short timescales. This work highlights the importance of fire–climate interactions in shaping fires on an interannual scale.
Hua Fang, Ting Wu, Shutan Ma, Qina Jia, Fengyu Zan, Juan Zhao, Jintao Zhang, Zhi Yang, Hongling Xu, Yuzhe Huang, and Xinming Wang
EGUsphere, https://doi.org/10.5194/egusphere-2023-2998, https://doi.org/10.5194/egusphere-2023-2998, 2024
Preprint archived
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Using in situ VOC flux measurements, we reveal that the freshwater wetland is a potential source of atmospheric VOCs and that litter decomposition enhances net VOC emission. Ambient temperature is the key factor driving the seasonal variation of net VOC flux. Notably, the release or uptake of VOCs varies depending on chemical groups and is jointly controlled by biotic and abiotic processes.
Jia Mao, Amos P. K. Tai, David H. Y. Yung, Tiangang Yuan, Kong T. Chau, and Zhaozhong Feng
Atmos. Chem. Phys., 24, 345–366, https://doi.org/10.5194/acp-24-345-2024, https://doi.org/10.5194/acp-24-345-2024, 2024
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Surface ozone (O3) is well-known for posing great threats to both human health and agriculture worldwide. However, a multidecadal assessment of the impacts of O3 on public health and agriculture in China is lacking without sufficient O3 observations. We used a hybrid approach combining a chemical transport model and machine learning to provide a robust dataset of O3 concentrations over the past 4 decades in China, thereby filling the gap in the long-term O3 trend and impact assessment in China.
Chupeng Zhang, Shangfei Hai, Yang Gao, Yuhang Wang, Shaoqing Zhang, Lifang Sheng, Bin Zhao, Shuxiao Wang, Jingkun Jiang, Xin Huang, Xiaojing Shen, Junying Sun, Aura Lupascu, Manish Shrivastava, Jerome D. Fast, Wenxuan Cheng, Xiuwen Guo, Ming Chu, Nan Ma, Juan Hong, Qiaoqiao Wang, Xiaohong Yao, and Huiwang Gao
Atmos. Chem. Phys., 23, 10713–10730, https://doi.org/10.5194/acp-23-10713-2023, https://doi.org/10.5194/acp-23-10713-2023, 2023
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New particle formation is an important source of atmospheric particles, exerting critical influences on global climate. Numerical models are vital tools to understanding atmospheric particle evolution, which, however, suffer from large biases in simulating particle numbers. Here we improve the model chemical processes governing particle sizes and compositions. The improved model reveals substantial contributions of newly formed particles to climate through effects on cloud condensation nuclei.
Bojiang Su, Xinhui Bi, Zhou Zhang, Yue Liang, Congbo Song, Tao Wang, Yaohao Hu, Lei Li, Zhen Zhou, Jinpei Yan, Xinming Wang, and Guohua Zhang
Atmos. Chem. Phys., 23, 10697–10711, https://doi.org/10.5194/acp-23-10697-2023, https://doi.org/10.5194/acp-23-10697-2023, 2023
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During the R/V Xuelong cruise observation over the Ross Sea, Antarctica, the mass concentrations of water-soluble Ca2+ and the mass spectra of individual calcareous particles were measured. Our results indicated that lower temperature, lower wind speed, and the presence of sea ice may facilitate Ca2+ enrichment in sea spray aerosols and highlighted the potential contribution of organically complexed calcium to calcium enrichment, which is inaccurate based solely on water-soluble Ca2+ estimation.
Yiyu Cai, Chenshuo Ye, Wei Chen, Weiwei Hu, Wei Song, Yuwen Peng, Shan Huang, Jipeng Qi, Sihang Wang, Chaomin Wang, Caihong Wu, Zelong Wang, Baolin Wang, Xiaofeng Huang, Lingyan He, Sasho Gligorovski, Bin Yuan, Min Shao, and Xinming Wang
Atmos. Chem. Phys., 23, 8855–8877, https://doi.org/10.5194/acp-23-8855-2023, https://doi.org/10.5194/acp-23-8855-2023, 2023
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We studied the variability and molecular composition of ambient oxidized organic nitrogen (OON) in both gas and particle phases using a state-of-the-art online mass spectrometer in urban air. Biomass burning and secondary formation were found to be the two major sources of OON. Daytime nitrate radical chemistry for OON formation was more important than previously thought. Our results improved the understanding of the sources and molecular composition of OON in the polluted urban atmosphere.
Zhenxin Liu, Yuanhao Chen, Yuhang Wang, Cheng Liu, Shuhua Liu, and Hong Liao
Geosci. Model Dev., 16, 4385–4403, https://doi.org/10.5194/gmd-16-4385-2023, https://doi.org/10.5194/gmd-16-4385-2023, 2023
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The heterogeneous layout of urban buildings leads to the complex wind field in and over the urban canopy. Large discrepancies between the observations and the current simulations result from misunderstanding the character of the wind field. The Inhomogeneous Wind Scheme in Urban Street (IWSUS) was developed to simulate the heterogeneity of the wind speed in a typical street and then improve the simulated energy budget in the lower atmospheric layer over the urban canopy.
Joanna E. Dyson, Lisa K. Whalley, Eloise J. Slater, Robert Woodward-Massey, Chunxiang Ye, James D. Lee, Freya Squires, James R. Hopkins, Rachel E. Dunmore, Marvin Shaw, Jacqueline F. Hamilton, Alastair C. Lewis, Stephen D. Worrall, Asan Bacak, Archit Mehra, Thomas J. Bannan, Hugh Coe, Carl J. Percival, Bin Ouyang, C. Nicholas Hewitt, Roderic L. Jones, Leigh R. Crilley, Louisa J. Kramer, W. Joe F. Acton, William J. Bloss, Supattarachai Saksakulkrai, Jingsha Xu, Zongbo Shi, Roy M. Harrison, Simone Kotthaus, Sue Grimmond, Yele Sun, Weiqi Xu, Siyao Yue, Lianfang Wei, Pingqing Fu, Xinming Wang, Stephen R. Arnold, and Dwayne E. Heard
Atmos. Chem. Phys., 23, 5679–5697, https://doi.org/10.5194/acp-23-5679-2023, https://doi.org/10.5194/acp-23-5679-2023, 2023
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The hydroxyl (OH) and closely coupled hydroperoxyl (HO2) radicals are vital for their role in the removal of atmospheric pollutants. In less polluted regions, atmospheric models over-predict HO2 concentrations. In this modelling study, the impact of heterogeneous uptake of HO2 onto aerosol surfaces on radical concentrations and the ozone production regime in Beijing in the summertime is investigated, and the implications for emissions policies across China are considered.
Yimian Ma, Xu Yue, Stephen Sitch, Nadine Unger, Johan Uddling, Lina M. Mercado, Cheng Gong, Zhaozhong Feng, Huiyi Yang, Hao Zhou, Chenguang Tian, Yang Cao, Yadong Lei, Alexander W. Cheesman, Yansen Xu, and Maria Carolina Duran Rojas
Geosci. Model Dev., 16, 2261–2276, https://doi.org/10.5194/gmd-16-2261-2023, https://doi.org/10.5194/gmd-16-2261-2023, 2023
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Plants have been found to respond differently to O3, but the variations in the sensitivities have rarely been explained nor fully implemented in large-scale assessment. This study proposes a new O3 damage scheme with leaf mass per area to unify varied sensitivities for all plant species. Our assessment reveals an O3-induced reduction of 4.8 % in global GPP, with the highest reduction of >10 % for cropland, suggesting an emerging risk of crop yield loss under the threat of O3 pollution.
Huanhuan Zhang, Rui Li, Chengpeng Huang, Xiaofei Li, Shuwei Dong, Fu Wang, Tingting Li, Yizhu Chen, Guohua Zhang, Yan Ren, Qingcai Chen, Ru-jin Huang, Siyu Chen, Tao Xue, Xinming Wang, and Mingjin Tang
Atmos. Chem. Phys., 23, 3543–3559, https://doi.org/10.5194/acp-23-3543-2023, https://doi.org/10.5194/acp-23-3543-2023, 2023
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This work investigated the seasonal variation of aerosol Fe solubility for coarse and fine particles in Xi’an, a megacity in northwestern China severely affected by anthropogenic emission and desert dust aerosol. In addition, we discussed in depth what controlled aerosol Fe solubility at different seasons for coarse and fine particles.
Peng Wang, Ruhan Zhang, Shida Sun, Meng Gao, Bo Zheng, Dan Zhang, Yanli Zhang, Gregory R. Carmichael, and Hongliang Zhang
Atmos. Chem. Phys., 23, 2983–2996, https://doi.org/10.5194/acp-23-2983-2023, https://doi.org/10.5194/acp-23-2983-2023, 2023
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In China, the number of vehicles has jumped significantly in the last decade. This caused severe traffic congestion and aggravated air pollution. In this study, we developed a new temporal allocation approach to quantify the impacts of traffic congestion. We found that traffic congestion worsens air quality and the health burden across China, especially in the urban clusters. More effective and comprehensive vehicle emission control policies should be implemented to improve air quality in China.
Chandan Sarangi, Yun Qian, L. Ruby Leung, Yang Zhang, Yufei Zou, and Yuhang Wang
Atmos. Chem. Phys., 23, 1769–1783, https://doi.org/10.5194/acp-23-1769-2023, https://doi.org/10.5194/acp-23-1769-2023, 2023
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We show that for air quality, the densely populated eastern US may see even larger impacts of wildfires due to long-distance smoke transport and associated positive climatic impacts, partially compensating the improvements from regulations on anthropogenic emissions. This study highlights the tension between natural and anthropogenic contributions and the non-local nature of air pollution that complicate regulatory strategies for improving future regional air quality for human health.
Tingting Feng, Yingkun Wang, Weiwei Hu, Ming Zhu, Wei Song, Wei Chen, Yanyan Sang, Zheng Fang, Wei Deng, Hua Fang, Xu Yu, Cheng Wu, Bin Yuan, Shan Huang, Min Shao, Xiaofeng Huang, Lingyan He, Young Ro Lee, Lewis Gregory Huey, Francesco Canonaco, Andre S. H. Prevot, and Xinming Wang
Atmos. Chem. Phys., 23, 611–636, https://doi.org/10.5194/acp-23-611-2023, https://doi.org/10.5194/acp-23-611-2023, 2023
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To investigate the impact of aging processes on organic aerosols (OA), we conducted a comprehensive field study at a continental remote site using an on-line mass spectrometer. The results show that OA in the Chinese outflows were strongly influenced by upwind anthropogenic emissions. The aging processes can significantly decrease the OA volatility and result in a varied viscosity of OA under different circumstances, signifying the complex physiochemical properties of OA in aged plumes.
Zhenqi Xu, Wei Feng, Yicheng Wang, Haoran Ye, Yuhang Wang, Hong Liao, and Mingjie Xie
Atmos. Chem. Phys., 22, 13739–13752, https://doi.org/10.5194/acp-22-13739-2022, https://doi.org/10.5194/acp-22-13739-2022, 2022
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This work uses a solvent (DMF) that can efficiently dissolve low-volatility OC to examine BrC absorption and sources, which will benefit future investigations on the physicochemical properties of large organic molecules. The study results also shed light on potential sources for methanol-insoluble OC. These results highlight the importance of testing different solvents to investigate the structures and light absorption of low-volatility BrC.
Xueyin Ruan, Chun Zhao, Rahul A. Zaveri, Pengzhen He, Xinming Wang, Jingyuan Shao, and Lei Geng
Geosci. Model Dev., 15, 6143–6164, https://doi.org/10.5194/gmd-15-6143-2022, https://doi.org/10.5194/gmd-15-6143-2022, 2022
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Accurate prediction of aerosol pH in chemical transport models is essential to aerosol modeling. This study examines the performance of the Weather Research and Forecasting model coupled with Chemistry (WRF-Chem) on aerosol pH predictions and the sensitivities to emissions of nonvolatile cations and NH3, aerosol-phase state assumption, and heterogeneous sulfate production. Temporal evolution of aerosol pH during haze cycles in Beijing and the driving factors are also presented and discussed.
Guohua Zhang, Xiaodong Hu, Wei Sun, Yuxiang Yang, Ziyong Guo, Yuzhen Fu, Haichao Wang, Shengzhen Zhou, Lei Li, Mingjin Tang, Zongbo Shi, Duohong Chen, Xinhui Bi, and Xinming Wang
Atmos. Chem. Phys., 22, 9571–9582, https://doi.org/10.5194/acp-22-9571-2022, https://doi.org/10.5194/acp-22-9571-2022, 2022
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We show a significant enhancement of nitrate mass fraction in cloud water and relative intensity of nitrate in the cloud residual particles and highlight that hydrolysis of N2O5 serves as the critical route for the in-cloud formation of nitrate, even during the daytime. Given that N2O5 hydrolysis acts as a major sink of NOx in the atmosphere, further model updates may improve our understanding about the processes contributing to nitrate production in cloud and the cycling of odd nitrogen.
Yihang Yu, Peng Cheng, Huirong Li, Wenda Yang, Baobin Han, Wei Song, Weiwei Hu, Xinming Wang, Bin Yuan, Min Shao, Zhijiong Huang, Zhen Li, Junyu Zheng, Haichao Wang, and Xiaofang Yu
Atmos. Chem. Phys., 22, 8951–8971, https://doi.org/10.5194/acp-22-8951-2022, https://doi.org/10.5194/acp-22-8951-2022, 2022
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We have investigated the budget of HONO at an urban site in Guangzhou. Budget and comprehensive uncertainty analysis suggest that at such locations as ours, HONO direct emissions and NO + OH can become comparable or even surpass other HONO sources that typically receive greater attention and interest, such as the NO2 heterogeneous source and the unknown daytime photolytic source. Our findings emphasize the need to reduce the uncertainties of both conventional and novel HONO sources and sinks.
Lu Chen, Fang Zhang, Dongmei Zhang, Xinming Wang, Wei Song, Jieyao Liu, Jingye Ren, Sihui Jiang, Xue Li, and Zhanqing Li
Atmos. Chem. Phys., 22, 6773–6786, https://doi.org/10.5194/acp-22-6773-2022, https://doi.org/10.5194/acp-22-6773-2022, 2022
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Aerosol hygroscopicity is critical when evaluating its effect on visibility and climate. Here, the size-resolved particle hygroscopicity at five sites in China is characterized using field measurements. We show the distinct behavior of hygroscopic particles during pollution evolution among the five sites. Moreover, different hygroscopic behavior during NPF events were also observed. The dataset is helpful for understanding the spatial variability in particle composition and formation mechanisms.
Ziyong Guo, Yuxiang Yang, Xiaodong Hu, Xiaocong Peng, Yuzhen Fu, Wei Sun, Guohua Zhang, Duohong Chen, Xinhui Bi, Xinming Wang, and Ping'an Peng
Atmos. Chem. Phys., 22, 4827–4839, https://doi.org/10.5194/acp-22-4827-2022, https://doi.org/10.5194/acp-22-4827-2022, 2022
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We show that in-cloud aqueous processing facilitates the formation of brown carbon (BrC), based on the simultaneous measurements of the light-absorption properties of the cloud residuals, cloud interstitial, and cloud-free particles. While extensive laboratory evidence indicated the formation of BrC in aqueous phase, our study represents the first attempt to show the possibility in real clouds, which would have potential implications in the atmospheric evolution and radiation forcing of BrC.
Suxia Yang, Bin Yuan, Yuwen Peng, Shan Huang, Wei Chen, Weiwei Hu, Chenglei Pei, Jun Zhou, David D. Parrish, Wenjie Wang, Xianjun He, Chunlei Cheng, Xiao-Bing Li, Xiaoyun Yang, Yu Song, Haichao Wang, Jipeng Qi, Baolin Wang, Chen Wang, Chaomin Wang, Zelong Wang, Tiange Li, E Zheng, Sihang Wang, Caihong Wu, Mingfu Cai, Chenshuo Ye, Wei Song, Peng Cheng, Duohong Chen, Xinming Wang, Zhanyi Zhang, Xuemei Wang, Junyu Zheng, and Min Shao
Atmos. Chem. Phys., 22, 4539–4556, https://doi.org/10.5194/acp-22-4539-2022, https://doi.org/10.5194/acp-22-4539-2022, 2022
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We use a model constrained using observations to study the formation of nitrate aerosol in and downwind of a representative megacity. We found different contributions of various chemical reactions to ground-level nitrate concentrations between urban and suburban regions. We also show that controlling VOC emissions are effective for decreasing nitrate formation in both urban and regional environments, although VOCs are not direct precursors of nitrate aerosol.
Wenjie Wang, Bin Yuan, Yuwen Peng, Hang Su, Yafang Cheng, Suxia Yang, Caihong Wu, Jipeng Qi, Fengxia Bao, Yibo Huangfu, Chaomin Wang, Chenshuo Ye, Zelong Wang, Baolin Wang, Xinming Wang, Wei Song, Weiwei Hu, Peng Cheng, Manni Zhu, Junyu Zheng, and Min Shao
Atmos. Chem. Phys., 22, 4117–4128, https://doi.org/10.5194/acp-22-4117-2022, https://doi.org/10.5194/acp-22-4117-2022, 2022
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From thorough measurements of numerous oxygenated volatile organic compounds, we show that their photodissociation can be important for radical production and ozone formation in the atmosphere. This effect was underestimated in previous studies, as measurements of them were lacking.
Haichao Wang, Chao Peng, Xuan Wang, Shengrong Lou, Keding Lu, Guicheng Gan, Xiaohong Jia, Xiaorui Chen, Jun Chen, Hongli Wang, Shaojia Fan, Xinming Wang, and Mingjin Tang
Atmos. Chem. Phys., 22, 1845–1859, https://doi.org/10.5194/acp-22-1845-2022, https://doi.org/10.5194/acp-22-1845-2022, 2022
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Via combining laboratory and modeling work, we found that heterogeneous reaction of N2O5 with saline mineral dust aerosol could be an important source of tropospheric ClNO2 in inland regions.
Juanjuan Qin, Jihua Tan, Xueming Zhou, Yanrong Yang, Yuanyuan Qin, Xiaobo Wang, Shaoxuan Shi, Kang Xiao, and Xinming Wang
Atmos. Chem. Phys., 22, 465–479, https://doi.org/10.5194/acp-22-465-2022, https://doi.org/10.5194/acp-22-465-2022, 2022
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Water-soluble organic compounds (WSOCs) play important roles in atmospheric particle formation, migration, and transformation processes. In this work, size-segregated atmospheric particles were collected in a rural area of Beijing, and 3D fluorescence spectroscopy was used to investigate the optical properties of WSOCs as a means of inferring information about their atmospheric sources. It was found that these data could efficiently reveal the secondary transformation processes of WSOCs.
Jianqiang Zeng, Yanli Zhang, Huina Zhang, Wei Song, Zhenfeng Wu, and Xinming Wang
Atmos. Meas. Tech., 15, 79–93, https://doi.org/10.5194/amt-15-79-2022, https://doi.org/10.5194/amt-15-79-2022, 2022
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The emission of biogenic volatile organic compounds (BVOCs) from plant leaves is an essential part of biosphere–atmosphere interactions. Here we demonstrate how a dynamic chamber for measuring branch-scale BVOC emissions could be characterized both in the lab for adsorptive losses and in the field for ambient–enclosure environmental differences. The results also imply emission factors for terpenes might be underestimated if measured using dynamic chambers without certified transfer efficiencies.
Wei Sun, Yuzhen Fu, Guohua Zhang, Yuxiang Yang, Feng Jiang, Xiufeng Lian, Bin Jiang, Yuhong Liao, Xinhui Bi, Duohong Chen, Jianmin Chen, Xinming Wang, Jie Ou, Ping'an Peng, and Guoying Sheng
Atmos. Chem. Phys., 21, 16631–16644, https://doi.org/10.5194/acp-21-16631-2021, https://doi.org/10.5194/acp-21-16631-2021, 2021
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We sampled cloud water at a remote mountain site and investigated the molecular characteristics. CHON and CHO are dominant in cloud water. No statistical difference in the oxidation state is observed between cloud water and interstitial PM2.5. Most of the formulas are aliphatic and olefinic species. CHON, with aromatic structures and organosulfates, are abundant, especially in nighttime samples. The in-cloud and multi-phase dark reactions likely contribute significantly.
Cited articles
Bai, K., Li, K., Wu, C., Chang, N. B., and Guo, J.: A homogenized daily in situ PM2.5 concentration dataset from the national air quality monitoring network in China, Earth Syst. Sci. Data, 12, 3067–3080, https://doi.org/10.5194/essd-12-3067-2020, 2020.
Bao, H.: Presumpition of biogenic volatile organic compounds emissions from greening tree species and its emission rate classification in Hohhot, Inner Mongolia Petrochemical Industry, 11, 1–4, CNKI:SUN:NMSH.0.2015-11-001, https://doi.org/10.3969/j.issn.1006-7981.2015.11.001, 2015.
Beckett, M., Loreto, F., Velikova, V., Brunetti, C., Di Ferdinando, M., Tattini, M., Calfapietra, C., and Farrant, J. M.: Photosynthetic limitations and volatile and non-volatile isoprenoids in the poikilochlorophyllous resurrection plant Xerophyta humilis during dehydration and rehydration, Plant Cell Environ., 35, 2061–2074, https://doi.org/10.1111/j.1365-3040.2012.02536.x, 2012.
Bonan, G. B., Levis, S., Kergoat, L., and Oleson, K. W.: Landscapes as patches of plant functional types: An integrating concept for climate and ecosystem models, Global Biogeochem. Cy., 16, 5-1–5-23, https://doi.org/10.1029/2000GB001360, 2002.
Bu, Q., Hou, Y., Fang, H., Zhang, Z., and Bai, X.: Eco-Physiological characteristics of the exotic plant Rhus typhina in comparison with its indigenous congeners Rhus chinensis, Scient. Silv. Sin., 53, 1–7, https://doi.org/10.11707/j.1001-7488.20170501, 2017.
Cao, H., Fu, T. M., Zhang, L., Henze, D. K., Miller, C. C., Lerot, C., Abad, G. G., De Smedt, I., Zhang, Q., van Roozendael, M., Hendrick, F., Chance, K., Li, J., Zheng, J., and Zhao, Y.: Adjoint inversion of Chinese non-methane volatile organic compound emissions using space-based observations of formaldehyde and glyoxal, Atmos. Chem. Phys., 18, 15017–15046, https://doi.org/10.5194/acp-18-15017-2018, 2018.
Chen, C., Park, T., Wang, X., Piao, S., Xu, B., Chaturvedi, R. K., Fuchs, R., Brovkin, V., Ciais, P., Fensholt, R., Tømmervik, H., Bala, G., Zhu, Z., Nemani, R. R., and Myneni, R. B.: China and India lead in greening of the world through land-use management, Nat. Sustain., 2, 122-129, https://doi.org/10.1038/s41893-019-0220-7, 2019.
Chen, W., Guenther, A. B., Jia, S., Mao, J., Yan, F., Wang, X., and Shao, M.: Synergistic effects of biogenic volatile organic compounds and soil nitric oxide emissions on summertime ozone formation in China, Sci. Total Environ., 828, 154218, https://doi.org/10.1016/j.scitotenv.2022.154218, 2022.
Chen, X., Zhang, Z., Yang, L., Yun, Y., Chen, J., and Zheng, D.: Effects of light intensity on phenotypic plasticity and survival strategy of Dracaena cambodiana seedlings, J. Trop. Subtrop. Bot., 26, 150–156, https://doi.org/10.11926/jtsb.3782, 2018.
Chen, Y., Li, D., Shi, Y., and He, X.: Emission rate of biogenic volatile organic compounds from urban trees in Shenyang, China, J. Northeast Forest. Univers., 37, 47–49, 2009.
Chi, Y. and Xie, S.: Spatiotemporal inventory of biogenic volatile organic compound emissions in China based on vegetation volume and production, Adv. Mater. Res., 356–360, 2579–2582, 2012.
Deng, L., Wang, H., Shangguan, Z., and Liu, G.: Variations of specific leaf area and nutrients of Chinese caragana in the Loess Plateau region suffering both wind and water erosions, Acta Ecolog. Sin., 30, 4889–4897, 2010.
De Smedt, I., Van Roozendael, M., Stavrakou, T., Müller, J. F., Lerot, C., Theys, N., Valks, P., Hao, N., and van der A, R.: Improved retrieval of global tropospheric formaldehyde columns from GOME-2/MetOp-A addressing noise reduction and instrumental degradation issues, Atmos. Meas. Tech., 5, 2933–2949, https://doi.org/10.5194/amt-5-2933-2012, 2012.
De Smedt, I., Stavrakou, T., Hendrick, F., Danckaert, T., Vlemmix, T., Pinardi, G., Theys, N., Lerot, C., Gielen, C., Vigouroux, C., Hermans, C., Fayt, C., Veefkind, P., Müller, J. F., and Van Roozendael, M.: Diurnal, seasonal and long-term variations of global formaldehyde columns inferred from combined OMI and GOME-2 observations, Atmos. Chem. Phys., 15, 12519–12545, https://doi.org/10.5194/acp-15-12519-2015, 2015.
DiMiceli, C., Carroll, M., Sohlberg, R., Kim, D., Kelly, M., and Townshend, J.: MOD44B MODIS/Terra Vegetation Continuous Fields Yearly L3 Global 250 m SIN Grid V006 [dataset], NASA [data set], https://doi.org/10.5067/MODIS/MOD44B.006, 2015.
Dong, L., Liu, S., Shi, Z., and Feng, Q.: Relationships between leaf traits of Castanopsis species and the environmental factors in the north–south transect of eastern China, Forest Res., 22, 463-469, https://doi.org/10.3321/j.issn:1001-1498.2009.04.001, 2009.
Fan, J., Ju, T., Wang, Q., Gao, H., Huang, R., and Duan, J.: Spatiotemporal variations and potential sources of tropospheric formaldehyde over eastern China based on OMI satellite data, Atmos. Pollut. Res., 12, 272–285, https://doi.org/10.1016/j.apr.2020.09.011, 2021.
Fiore, A. M., Horowitz, L. W., Purves, D. W., Levy II, H., Evans, M. J., Wang, Y., Li, Q., and Yantosca, R. M.: Evaluating the contribution of changes in isoprene emissions to surface ozone trends over the eastern United States, J. Geophys. Res.-Atmos., 110, https://doi.org/10.1029/2004JD005485, 2005.
Friedl, M. and Sulla-Menashe, D.: MCD12Q1 MODIS/Terra+Aqua Land Cover Type Yearly L3 Global 500 m SIN Grid V006 [dataset], NASA [data set], https://doi.org/10.5067/MODIS/MCD12Q1.006, 2019.
Fu, T.-M., Jacob, D. J., Palmer, P. I., Chance, K., Wang, Y. X., Barletta, B., Blake, D. R., Stanton, J. C., and Pilling, M. J.: Space-based formaldehyde measurements as constraints on volatile organic compound emissions in east and south Asia and implications for ozone, J. Geophys. Res.-Atmos., 112, https://doi.org/10.1029/2006JD007853, 2007.
Fu, Y. and Liao, H.: Simulation of the interannual variations of biogenic emissions of volatile organic compounds in China: Impacts on tropospheric ozone and secondary organic aerosol, Atmos. Environ., 59, 170–185, https://doi.org/10.1016/j.atmosenv.2012.05.053, 2012.
Fu, Y. and Tai, A. P. K.: Impact of climate and land cover changes on tropospheric ozone air quality and public health in East Asia between 1980 and 2010, Atmos. Chem. Phys., 15, 10093–10106, https://doi.org/10.5194/acp-15-10093-2015, 2015.
Gao, C.: Shade tolerance and photosynthetic characteristics of 15 typical garden ornamental plants in Guangxi region, Jiangsu Agricult. Sci. 44, 209–214, https://doi.org/10.15889/j.issn.1002-1302.2016.04.058, 2016.
Gao, C., Zhang, X., Xiu, A., Huang, L., Zhao, H., Wang, K., and Tong, Q.: Spatiotemporal distribution of biogenic volatile organic compounds emissions in China, Acta Scient. Circumstant., 39, 4140–4151, 2019.
Geddes, J. A., Pusede, S. E., and Wong, A. Y. H.: Changes in the relative importance of biogenic isoprene and soil NOx emissions on ozone concentrations in nonattainment areas of the United States, J. Geophys. Res.-Atmos., 127, e2021JD036361, https://doi.org/10.1029/2021JD036361, 2022.
Geng, F., Tie, X., Guenther, A. B., Li, G., Cao, J., and Harley, P.: Effect of isoprene emissions from major forests on ozone formation in the city of Shanghai, China, Atmos. Chem. Phys., 11, 10449–10459, https://doi.org/10.5194/acp-11-10449-2011, 2011.
Geron, C., Owen, S., Guenther, A. B., Greenberg, J., Rasmussen, R., Hui Bai, J., Li, Q.-J., and Baker, B.: Volatile organic compounds from vegetation in southern Yunnan Province, China: Emission rates and some potential regional implications, Atmos. Environ., 40, 1759–1773, https://doi.org/10.1016/j.atmosenv.2005.11.022, 2006.
Guenther, A. B., Zimmerman, P. R., Harley, P. C., Monson, R. K., and Fall, R.: Isoprene and monoterpene emission rate variability: Model evaluations and sensitivity analyses, Journal of Geophysical Research: Atmospheres, 98, 12609–12617, https://doi.org/10.1029/93JD00527, 1993.
Guenther, A. B., Hewitt, C. N., Erickson, D., Fall, R., Geron, C., Graedel, T., Harley, P., Klinger, L., Lerdau, M., Mckay, W. A., Pierce, T., Scholes, B., Steinbrecher, R., Tallamraju, R., Taylor, J., and Zimmerman, P.: A global model of natural volatile organic compound emissions, J. Geophys. Res.-Atmos., 100, 8873–8892, https://doi.org/10.1029/94JD02950, 1995.
Guenther, A. B., Karl, T., Harley, P., Wiedinmyer, C., Palmer, P. I., and Geron, C.: Estimates of global terrestrial isoprene emissions using MEGAN (Model of Emissions of Gases and Aerosols from Nature), Atmos. Chem. Phys., 6, 3181–3210, https://doi.org/10.5194/acp-6-3181-2006, 2006.
Guenther, A. B., Jiang, X., Heald, C. L., Sakulyanontvittaya, T., Duhl, T., Emmons, L. K., and Wang, X.: The Model of Emissions of Gases and Aerosols from Nature version 2.1 (MEGAN2.1): an extended and updated framework for modeling biogenic emissions, Geosci. Model Dev., 5, 1471–1492, https://doi.org/10.5194/gmd-5-1471-2012, 2012.
Huang, A., Li, N., Guenther, A., Greenberg, J., Baker, B., Graessli, M., and Bai, J.: Investigation on emission properties of biogenic VOCs of landscape plants in Shenzhen, Environ. Sci., 32, 3555–3559, 2011.
Jiang, Q., Long, W., Liu, A., Xiao, X., Liu, Y., Li, C., and Yang, Y.: Changes in leaf structural characteristics of three bamboo species at different altitudes in Mount Emei, J. Bamboo Res., 37, 64–72, https://doi.org/10.3969/j.issn.1000-6567.2018.01.011, 2018a.
Jiang, X., Guenther, A. B., Potosnak, M., Geron, C., Seco, R., Karl, T., Kim, S., Gu, L., and Pallardy, S.: Isoprene emission response to drought and the impact on global atmospheric chemistry, Atmos. Environ., 183, https://doi.org/10.1016/j.atmosenv.2018.01.026, 2018b.
Jin, M., Jiang, F., Jin, G., and Liu, Z.: Variations of specific leaf area in different growth periods and canopy positions of Betula platyphylla at different ages, Scient. Silvae Sin., 54, 18–26, https://doi.org/10.11707/j.1001-7488.20180903, 2018.
Kang, B., Liu, J., Xu, X., and Bu, X.: The specific leaf weight of some common tree species in Loess Plateau area and its relationship with photosynthetic capacity, J. Southwest Forest. Univers., 25, 1–11, https://doi.org/10.11929/j.issn.2095-1914.2005.02.001, 2005.
Kaser, L., Peron, A., Graus, M., Striednig, M., Wohlfahrt, G., Juráň, S., and Karl, T.: Interannual variability of terpenoid emissions in an alpine city, Atmos. Chem. Phys., 22, 5603–5618, https://doi.org/10.5194/acp-22-5603-2022, 2022.
Klinger, L. F., Li, Q. J., Guenther, A. B., Greenberg, J. P., Baker, B., and Bai, J. H.: Assessment of volatile organic compound emissions from ecosystems of China, J. Geophys. Res.-Atmos., 107, ACH 16-11–ACH 16-21, https://doi.org/10.1029/2001JD001076, 2002.
Klovenski, E., Wang, Y., Bauer, S. E., Tsigaridis, K., Faluvegi, G., Aleinov, I., Kiang, N. Y., Guenther, A., Jiang, X., Li, W., and Lin, N.: Interactive biogenic emissions and drought stress effects on atmospheric composition in NASA GISS ModelE, Atmos. Chem. Phys., 22, 13303–13323, https://doi.org/10.5194/acp-22-13303-2022, 2022.
Knyazikhin, Y., Glassy, J., Privette, J., Tian, Y., Lotsch, A., Zhang, Y., Wang, Y., Morisette, J., Votava, P., Myneni, R., Nemani, R. R., and Running, S.: MODIS Leaf Area Index (LAI) and Fraction of Photosynthetically Active Radiation Absorbed by Vegetation (FPAR) Product (MOD15) algorithm theoretical basis document, https://eospso.gsfc.nasa.gov/ (last access: 15 May 2025), 1999.
Li, J., Li, L., Wu, R., Li, Y., Bo, Y., and Xie, S.: Inventory of highly resolved temporal and spatial volatile organic compounds emission in China, WIT Trans. Ecol. Environ, 207, 79–86, 2016.
Li, J., Tian, L., Lun, X., Yu, X., and Huang, D.: Emission inventory of botanical volatile organic compounds (BVOCs) in Beijing, Environ. Chem., 36, 776–786, https://doi.org/10.7524/j.issn.0254-6108.2017.04.2016072402, 2017.
Li, J., Wang, Y., and Qu, H.: Dependence of summertime surface ozone on NO and VOC emissions over the United States: Peak time and value, Geophys. Res. Lett., 46, 3540-3550, https://doi.org/10.1029/2018GL081823, 2019a.
Li, J., Xu, C., Zhu, J., Wang, X., Chen, Z., and Zhao, K.: Phenotypic adaptation strategy of Cotinus coggygria seedings in continuous drought environments, J. Northwest Forest. Univers., 34, 28–34, https://doi.org/10.3969/j.issn.1001-7461.2019.02.05, 2019b.
Li, J., He, J., Sun, Y., Zhao, A., and Tian, Q.: Physiological and ecological responses of ten garden plant functional traits to air pollution, Ecol. Environ. Sci., 29, 1205–1214, https://doi.org/10.16258/j.cnki.1674-5906.2020.06.017, 2020a.
Li, K. and Xiang, W.: Comparison of specific leaf area, SPAD value and seed mass among subtropical tree species in hilly area of Central Hunan, China, J. Central South Univers. Forest. Technol., 31, 213–218, https://doi.org/10.3969/j.issn.1673-923X.2011.05.037, 2011.
Li, K., Jacob, D. J., Shen, L., Lu, X., De Smedt, I., and Liao, H.: Increases in surface ozone pollution in China from 2013 to 2019: anthropogenic and meteorological influences, Atmos. Chem. Phys., 20, 11423–11433, https://doi.org/10.5194/acp-20-11423-2020, 2020b.
Li, K., Jacob, D. J., Liao, H., Zhu, J., Shah, V., Shen, L., Bates, K. H., Zhang, Q., and Zhai, S.: A two-pollutant strategy for improving ozone and particulate air quality in China, Nat. Geosci., 12, 906–910, https://doi.org/10.1038/s41561-019-0464-x, 2019c.
Li, L., Yang, W., Xie, S., and Wu, Y.: Estimations and uncertainty of biogenic volatile organic compound emission inventory in China for 2008–2018, Sci. Total Environ., 733, 139301, https://doi.org/10.1016/j.scitotenv.2020.139301, 2020c.
Li, L., Cao, J., and Hao, Y.: Spatial and species-specific responses of biogenic volatile organic compound (BVOC) emissions to elevated ozone from 2014–2020 in China, Sci. Total Environ., 868, 161636, https://doi.org/10.1016/j.scitotenv.2023.161636, 2023.
Li, L. Y. and Xie, S. D.: Historical variations of biogenic volatile organic compound emission inventories in China, 1981–2003, Atmos. Environ., 95, 185–196, https://doi.org/10.1016/j.atmosenv.2014.06.033, 2014.
Li, L. Y., Chen, Y., and Xie, S. D.: Spatio-temporal variation of biogenic volatile organic compounds emissions in China, Environ. Pollut., 182, 157–168, https://doi.org/10.1016/j.envpol.2013.06.042, 2013.
Li, M., Huang, X., Li, J., and Song, Y.: Estimation of biogenic volatile organic compound (BVOC) emissions from the terrestrial ecosystem in China using real-time remote sensing data, Atmos. Chem. Phys. Discuss., 12, 6551–6592, https://doi.org/10.5194/acpd-12-6551-2012, 2012.
Li, Q. and Klinger, L.: The correlation between the volatile organic compound emissions and the vegetation succssion of the ecosystems in different climate zones of China, J. Integrat. Plant Biol., 43, 1065–1071, https://doi.org/10.3321/j.issn:1672-9072.2001.10.013, 2002.
Li, S., Yuan, X., Li, Q., and Feng, Z.: Inventory and characteristics of biogenic volatile organic compounds (BVOCs) for 12 deciduous fruit trees, Environ. Sci., 40, 2078–2085, 2019d.
Li, Y., Yao, J., Yang, S., and Hou, J.: Trait differences research on leaf of liaodong oak forest main species in Dongling mountain, J. Beijing Forest. Univers., 23, 72–77, 2014.
Lian, Z., Zhang, C., Cheng, Y., and Xin, B.: Geographical variations of functional traits of typical tree species in northeastern China, J. Beijing Forest. Univers., 41, 42–48, https://doi.org/10.13332/j.1000-1522.20180352, 2019.
Lin, H., Chen, S., Guo, Z., Yang, Q., and Gao, P.: Allometric relationship among leaf traits in different stand density of Pleioblastus amarus, Forest Res., 30, 617–623, https://doi.org/10.13275/j.cnki.lykxyj.2017.04.012, 2017.
Liu, T., Liu, G., Zhang, M., Luo, H., He, Z., Gao, T., and Chen, F.: Analysis of structural traits and nitrogen-phosphorus nutrient content in leaves of wild Elaeagnus glabra, Chinese Wild Plant Resour., 3, 20–24, https://doi.org/10.3969/j.issn.1006-9690.2020.03.004, 2020.
Lou, C., Jiang, F., Tian, X., Zou, Q., Zheng, Y., Shen, Y., Feng, S., Chen, J., Zhang, L., Jia, M., and Xu, J.: Modeling the biogenic isoprene emission and its impact on ozone pollution in Zhejiang province, China, Sci. Total Environ., 865, 161212, https://doi.org/10.1016/j.scitotenv.2022.161212, 2023.
Lu, X., Zhang, L., Wang, X., Gao, M., Li, K., Zhang, Y., Yue, X., and Zhang, Y.: Rapid increases in warm-season surface ozone and resulting health impact in China since 2013, Environ. Sci. Technol. Lett., 7, 240–247, https://doi.org/10.1021/acs.estlett.0c00171, 2020.
Luo, T., Luo, J., and Pan, Y.: Leaf traits and associated ecosystem characteristics across subtropical and timberline forests in the Gongga Mountains, Eastern Tibetan Plateau, Oecologia, 142, 261–273, https://doi.org/10.1007/s00442-004-1729-6, 2005.
Ma, M., Gao, Y., Wang, Y., Zhang, S., Leung, L. R., Liu, C., Wang, S., Zhao, B., Chang, X., Su, H., Zhang, T., Sheng, L., Yao, X., and Gao, H.: Substantial ozone enhancement over the North China Plain from increased biogenic emissions due to heat waves and land cover in summer 2017, Atmos. Chem. Phys., 19, 12195–12207, https://doi.org/10.5194/acp-19-12195-2019, 2019.
Ma, M., Gao, Y., Ding, A., Su, H., Liao, H., Wang, S., Wang, X., Zhao, B., Zhang, S., Fu, P., Guenther, A. B., Wang, M., Li, S., Chu, B., Yao, X., and Gao, H.: Development and assessment of a high-resolution biogenic emission inventory from urban green spaces in China, Environ. Sci. Technol., 56, 175–184, https://doi.org/10.1021/acs.est.1c06170, 2022.
Messina, P., Lathière, J., Sindelarova, K., Vuichard, N., Granier, C., Ghattas, J., Cozic, A., and Hauglustaine, D. A.: Global biogenic volatile organic compound emissions in the ORCHIDEE and MEGAN models and sensitivity to key parameters, Atmos. Chem. Phys., 16, 14169–14202, https://doi.org/10.5194/acp-16-14169-2016, 2016.
Millet, D. B., Jacob, D. J., Boersma, K. F., Fu, T.-M., Kurosu, T. P., Chance, K., Heald, C. L., and Guenther, A. B.: Spatial distribution of isoprene emissions from North America derived from formaldehyde column measurements by the OMI satellite sensor, J. Geophys. Res.-Atmos., 113, https://doi.org/10.1029/2007JD008950, 2008.
Myneni, R., Knyazikhin, Y., and Park, T.: MCD15A2H MODIS/Terra+Aqua Leaf Area Index/FPAR 8-day L4 Global 500 m SIN Grid V006 [dataset], NASA [data set], https://doi.org/10.5067/MODIS/MCD15A2H.006, 2015.
Oleson, K. W. and Bonan, G. B.: The effects of remotely sensed plant functional type and leaf area index on simulations of boreal forest surface fluxes by the NCAR Land Surface Model, J. Hydrometeorol., 1, 431–446, https://doi.org/10.1175/1525-7541(2000)001<0431:TEORSP>2.0.CO;2, 2000.
Olson, D. M., Dinerstein, E., Wikramanayake, E. D., Burgess, N. D., Powell, G. V. N., Underwood, E. C., D'amico, J. A., Itoua, I., Strand, H. E., Morrison, J. C., Loucks, C. J., Allnutt, T. F., Ricketts, T. H., Kura, Y., Lamoreux, J. F., Wettengel, W. W., Hedao, P., and Kassem, K. R.: Terrestrial ecoregions of the world: A new map of life on earth: A new global map of terrestrial ecoregions provides an innovative tool for conserving biodiversity, BioScience, 51, 933–938, https://doi.org/10.1641/0006-3568(2001)051[0933:Teotwa]2.0.Co;2, 2001.
Otu-Larbi, F., Bolas, C. G., Ferracci, V., Staniaszek, Z., Jones, R. L., Malhi, Y., Harris, N. R. P., Wild, O., and Ashworth, K.: Modelling the effect of the 2018 summer heatwave and drought on isoprene emissions in a UK woodland, Global Change Biol., 26, 2320–2335, https://doi.org/10.1111/gcb.14963, 2020.
Oumami, S., Arteta, J., Guidard, V., Tulet, P., and Hamer, P. D.: Evaluation of isoprene emissions from the coupled model SURFEX–MEGANv2.1, Geosci. Model Dev., 17, 3385–3408, https://doi.org/10.5194/gmd-17-3385-2024, 2024.
Palmer, P. I., Jacob, D. J., Fiore, A. M., Martin, R. V., Chance, K., and Kurosu, T. P.: Mapping isoprene emissions over North America using formaldehyde column observations from space, J. Geophys. Res.-Atmos., 108, https://doi.org/10.1029/2002JD002153, 2003.
Pan, Y., Chen, X., Jiang, Y., Liang, S., Lu, Z., Huang, Y., Ni, M., Qin, C., and Liu, R.: Changes in leaf function traits and soil environmental factors in response to slope gradient in Karst hills of Guilin, Acta Ecolog. Sin., 38, 1581–1589, https://doi.org/10.5846/stxb201701210173, 2018.
Pang, S., Ou, Z., Shen, W., He, F., and Lu, G.: Leaf functional traits variations and adaptive strategies of dominant woody economic plants in karst area of Southwest Guangxi, Guihaia, 41, 707–714, https://doi.org/10.11931/guihaia.gxzw202002005, 2021.
Pang, W., Zhang, Y., Zeng, J., Tian, X., and Wang, X.: Modulating effects of temperature on CO2-inhibited isoprene emissions in Eucalyptus urophylla, Front. Environ. Sci., 12, 1490552, https://doi.org/10.3389/fenvs.2024.1490552, 2024.
Peng, C., Song, M., Zhou, C., Li, Y., Li, X., and Cao, G.: Relationship between Leaf Functional Traits of Herbaceous Plants and Soil Factors in Different Coverage Gradients of Potentilla fruticosa Shrub under Grazing, Acta Bot. Boreali – Occident. Sin., 40, 870–881, https://doi.org/10.7606/j.issn.1000-4025.2020.05.0870, 2020.
Peng, S.-S., Piao, S., Zeng, Z., Ciais, P., Zhou, L., Li, L. Z. X., Myneni, R. B., Yin, Y., and Zeng, H.: Afforestation in China cools local land surface temperature, P. Natl. Acad. Sci. USA, 111, 2915–2919, https://doi.org/10.1073/pnas.1315126111, 2014.
Plass-Dülmer, C., Schmidbauer, N., Slemr, J., Slemr, F., and D'Souza, H.: European hydrocarbon intercomparison experiment AMOHA part 4: Canister sampling of ambient air, J. Geophys. Res.-Atmos., 111, https://doi.org/10.1029/2005JD006351, 2006.
Potosnak, M. J., LeStourgeon, L., Pallardy, S. G., Hosman, K. P., Gu, L., Karl, T., Geron, C., and Guenther, A. B.: Observed and modeled ecosystem isoprene fluxes from an oak-dominated temperate forest and the influence of drought stress, Atmos. Environ., 84, 314–322, https://doi.org/10.1016/j.atmosenv.2013.11.055, 2014.
Qu, H., Wang, Y., Zhang, R., and Li, J.: Extending ozone-precursor relationships in China from peak concentration to peak Time, J. Geophys. Res.-Atmos., 125, e2020JD033670, https://doi.org/10.1029/2020JD033670, 2020.
Rodríguez, L. G. and Pérez, M. R.: Recent changes in Chinese forestry seen through the lens of Forest Transition theory, Int. Forest. Rev., 15, 456–470, 2013.
Shim, C., Wang, Y., Choi, Y., Palmer, P. I., Abbot, D. S., and Chance, K.: Constraining global isoprene emissions with Global Ozone Monitoring Experiment (GOME) formaldehyde column measurements, J. Geophys. Res.-Atmos., 110, https://doi.org/10.1029/2004JD005629, 2005.
Singh, R., Singh, A. P., Singh, M. P., Kumar, A., and Varshney, C. K.: Emission of isoprene from common Indian plant species and its implications for regional air quality, Environ. Monit. Assess., 144, 43–51, https://doi.org/10.1007/s10661-007-9940-7, 2008.
Situ, S., Guenther, A. B., Wang, X., Jiang, X., Turnipseed, A., Wu, Z., Bai, J., and Wang, X.: Impacts of seasonal and regional variability in biogenic VOC emissions on surface ozone in the Pearl River delta region, China, Atmos. Chem. Phys., 13, 11803–11817, https://doi.org/10.5194/acp-13-11803-2013, 2013.
Situ, S., Wang, X., Guenther, A. B., Zhang, Y., Wang, X., Huang, M., Fan, Q., and Xiong, Z.: Uncertainties of isoprene emissions in the MEGAN model estimated for a coniferous and broad-leaved mixed forest in Southern China, Atmos. Environ., 98, 105–110, https://doi.org/10.1016/j.atmosenv.2014.08.023, 2014.
Song, Y., Zhang, Y., Wang, L., and An, J.: Estimation of biogenic VOCs emissions in Eastern China based on remote sensing data, Acta Scient. Circumstant., 32, 2216–2227, 2012.
Stavrakou, T., Müller, J. F., Bauwens, M., De Smedt, I., Van Roozendael, M., Guenther, A., Wild, M., and Xia, X.: Isoprene emissions over Asia 1979–2012: impact of climate and land-use changes, Atmos. Chem. Phys., 14, 4587–4605, https://doi.org/10.5194/acp-14-4587-2014, 2014.
Tang, Q., Huang, Y., Ding, Y., and Zang, R.: Interspecific and intraspecific variation in functional traits of subtropical evergreen and deciduous broad-leaved mixed forests, Biodivers. Sci., 24, 262–270, https://doi.org/10.17520/biods.2015200, 2016.
Tie, X., Li, G., Ying, Z., Guenther, A. B., and Madronich, S.: Biogenic emissions of isoprenoids and NO in China and comparison to anthropogenic emissions, Sci. Total Environ., 371, 238–251, https://doi.org/10.1016/j.scitotenv.2006.06.025, 2006.
Tsui, J. K.-Y., Guenther, A. B., Yip, W.-K., and Chen, F.: A biogenic volatile organic compound emission inventory for Hong Kong, Atmos. Environ., 43, 6442–6448, https://doi.org/10.1016/j.atmosenv.2008.01.027, 2009.
Wang, C., Huang, X.-F., Han, Y., Zhu, B., and He, L.-Y.: Sources and Potential Photochemical Roles of Formaldehyde in an Urban Atmosphere in South China, J. Geophys. Res.-Atmos., 122, 11934–11947, https://doi.org/10.1002/2017JD027266, 2017a.
Wang, H., Liu, N., Yao, Y., Xie, W., and Wang, L.: The Relationship between Foliar TOC of Tamarix chinensis Lour. and nutrient elements' content in saline-alkali soil of North Shanxi, Ecol. Environ. Sci., 26, 2036–2044, https://doi.org/10.16258/j.cnki.1674-5906.2017.12.006, 2017b.
Wang, H., Wu, Q., Liu, H., Wang, Y., Cheng, H., Wang, R., Wang, L., Xiao, H., and Yang, X.: Sensitivity of biogenic volatile organic compound emissions to leaf area index and land cover in Beijing, Atmos. Chem. Phys., 18, 9583–9596, https://doi.org/10.5194/acp-18-9583-2018, 2018.
Wang, H., Wu, Q., Guenther, A. B., Yang, X., Wang, L., Xiao, T., Li, J., Feng, J., Xu, Q., and Cheng, H.: A long-term estimation of biogenic volatile organic compound (BVOC) emission in China from 2001–2016: the roles of land cover change and climate variability, Atmos. Chem. Phys., 21, 4825–4848, https://doi.org/10.5194/acp-21-4825-2021, 2021a.
Wang, H., Lu, X., Seco, R., Stavrakou, T., Karl, T., Jiang, X., Gu, L., and Guenther, A. B.: Modeling Isoprene Emission Response to Drought and Heatwaves Within MEGAN Using Evapotranspiration Data and by Coupling With the Community Land Model, J. Adv. Model. Earth Syst., 14, e2022MS003174, https://doi.org/10.1029/2022MS003174, 2022.
Wang, H., Welch, A., Nagalingam, S., Leong, C., Kittitananuvong, P., Barsanti, K. C., Sheesley, R. J., Czimczik, C. I., and Guenther, A. B.: Arctic heatwaves could significantly influence the isoprene emissions from shrubs, Geophys. Res. Lett., 51, e2023GL107599, https://doi.org/10.1029/2023GL107599, 2024a.
Wang, H., Welch, A. M., Nagalingam, S., Leong, C., Czimczik, C. I., Tang, J., Seco, R., Rinnan, R., Vettikkat, L., Schobesberger, S., Holst, T., Brijesh, S., Sheesley, R. J., Barsanti, K. C., and Guenther, A. B.: High temperature sensitivity of Arctic isoprene emissions explained by sedges, Nat. Commun., 15, 6144, https://doi.org/10.1038/s41467-024-49960-0, 2024b.
Wang, H., Wu, Q., Guenther, A. B., Yang, X., Wang, L., Xiao, T., Li, J., Feng, J., Xu, Q., and Cheng, H.: Land cover change dominates decadal trends of biogenic volatile organic compound (BVOC) emission in China, Atmos. Chem. Phys. Discuss. [preprint], https://doi.org/10.5194/acp-2020-28, 2020.
Wang, P., Liu, Y., Dai, J., Fu, X., Wang, X., Guenther, A., and Wang, T.: Isoprene emissions response to drought and the impacts on ozone and SOA in China, J. Geophys. Res.-Atmos., 126, e2020JD033263, https://doi.org/10.1029/2020JD033263, 2021b.
Wang, Q. G., Han, Z., Wang, T., and Higano, Y.: An estimate of biogenic emissions of volatile organic compounds during summertime in China, Environ. Sci. Pollut. Res., 14, 69–75, 2007.
Wang, T., Guo, J., Liu, N., and Zhang, Y.: Photosynthetic and Morphological Responses and Plasticity of Four Naturally-Regenerated Shrubs under Forest Light Environments, Scient. Silvae Sin., 47, 56–63, 2011a.
Wang, X., Mu, Y., Ouyang, Z., Zhang, X., Ni, S., and Fu, C.: Study on emissions of isoprene from major plants living in Taihu Basin, Chinese Bull. Bot., 19, 224–230, 2002.
Wang, X., Situ, S., Guenther, A., Chen, F., Wu, Z., Xia, B., and Wang, T.: Spatiotemporal variability of biogenic terpenoid emissions in Pearl River Delta, China, with high-resolution land-cover and meteorological data, Tellus B, 63, 241–254, https://doi.org/10.1111/j.1600-0889.2010.00523.x, 2011b.
Wang, X., Situ, S., Chen, W., Zheng, J., Guenther, A., Fan, Q., and Chang, M.: Numerical model to quantify biogenic volatile organic compound emissions: The Pearl River Delta region as a case study, J. Environ. Sci., 46, 72–82, https://doi.org/10.1016/j.jes.2015.08.032, 2016.
Wang, Y., Zhao, Y., Liu, Y., Jiang, Y., Zheng, B., Xing, J., Liu, Y., Wang, S., and Nielsen, C. P.: Sustained emission reductions have restrained the ozone pollution over China, Nat. Geosci., 16, 967–974, https://doi.org/10.1038/s41561-023-01284-2, 2023.
Wang, Z., Bai, Y., and Zhang, S.: A biogenic volatile organic compounds emission inventory for Beijing, Atmos. Environ., 37, 3771–3782, https://doi.org/10.1016/S1352-2310(03)00462-X, 2003a.
Wang, Z., Zhang, S., Lu, S., and Bai, Y.: Screenings of 23 plant species in Beijing for volatile organic compound emissions, Environ. Sci., 24, 7–12, https://doi.org/10.3321/j.issn:0250-3301.2003.02.002, 2003b.
Wu, K., Yang, X., Chen, D., Gu, S., Lu, Y., Jiang, Q., Wang, K., Ou, Y., Qian, Y., Shao, P., and Lu, S.: Estimation of biogenic VOC emissions and their corresponding impact on ozone and secondary organic aerosol formation in China, Atmos. Res., 231, 104656, https://doi.org/10.1016/j.atmosres.2019.104656, 2020.
Xi, S.: SieMAC Offline Code, Zenodo [code], https://doi.org/10.5281/zenodo.15740701, 2025.
Xu, K., Yang, D., Yang, H., Li, Z., Qin, Y., and Shen, Y.: Spatio-temporal variation of drought in China during 1961–2012: A climatic perspective, J. Hydrol., 526, 253–264, https://doi.org/10.1016/j.jhydrol.2014.09.047, 2015.
Yan, Q., Wang, Y., Cheng, Y., and Li, J.: Summertime Clean-Background Ozone Concentrations Derived from Ozone Precursor Relationships are Lower than Previous Estimates in the Southeast United States, Environ. Sci. Technol., 55, 12852–12861, https://doi.org/10.1021/acs.est.1c03035, 2021.
Yang, D., Bai, Y., Li, J., Pan, N., Yu, K., Tang, L., Peng, L., and Xing, S.: Study on hydrocarbon compounds from natural source in the Pearl River Delta area, China Environ. Sci., 21, 422–426, https://doi.org/10.3321/j.issn:1000-6923.2001.05.009, 2001.
Yang, L., Shao, D., and Luan, Z.: Variation in leaf functional traits of Rhododendron aureum with altitude in the Changbai Mountains, Jiangsu Agricult. Sci., 41, 149–151, https://doi.org/10.3969/j.issn.1002-1302.2013.09.059, 2013.
Yin, L., Li, S., Zhou, M., Wang, Q., Wu, Y., and Luo, P.: Effect of Grazing Interference on the Architecture of Sibiraea angustata in the Eastern Qinghai Tibetan Plateau, Bull. Bot. Res., 30, 737–741, https://doi.org/10.7525/j.issn.1673-5102.2010.06.020, 2010.
Yu, J., Zhou, W., Wu, J., Li, X., Liu, S., Wang, R., Liu, L., Jiang, Q., Tie, X., and Li, G.: Impacts of changes in land use and land cover between 2001 and 2018 on summertime O3 formation in North China Plain and surrounding areas – A case study, J. Geophys. Res.-Atmos., 127, e2021JD035956, https://doi.org/10.1029/2021JD035956, 2022.
Zhang, G. and Xie, S.: Estimation of VOC Emission from Forests in China Based on the Volume of Tree Species, Environ. Sci., 30, 2816–2822, https://doi.org/10.3321/j.issn:0250-3301.2009.10.002, 2009.
Zhang, K., Huang, L., Li, Q., Huo, J., Duan, Y., Wang, Y., Yaluk, E., Wang, Y., Fu, Q., and Li, L.: Explicit modeling of isoprene chemical processing in polluted air masses in suburban areas of the Yangtze River Delta region: radical cycling and formation of ozone and formaldehyde, Atmos. Chem. Phys., 21, 5905–5917, https://doi.org/10.5194/acp-21-5905-2021, 2021.
Zhang, L., Bai, Y., Wang, X., Ouyang, Z., Mu, Y., and Miao, Q.: Isoprene emission of bamboo and its implicationn to ozone level in region, Acta Ecolog. Sin., 22, 1333–1338, https://doi.org/10.3321/j.issn:1000-0933.2002.08.024, 2002.
Zhang, R., Wang, Y., Smeltzer, C., Qu, H., Koshak, W., and Boersma, K. F.: Comparing OMI-based and EPA AQS in situ NO2 trends: towards understanding surface NOx emission changes, Atmos. Meas. Tech., 11, 3955–3967, https://doi.org/10.5194/amt-11-3955-2018, 2018.
Zhang, X.: Vegetation map of the People's Republic of China (1:1 000 000), Geology Press, Beijing, ISBN 9787116051461, 2007.
Zhang, X., Huang, T., Zhang, L., Shen, Y., Zhao, Y., Gao, H., Mao, X., Jia, C., and Ma, J.: Three-North Shelter Forest Program contribution to long-term increasing trends of biogenic isoprene emissions in northern China, Atmos. Chem. Phys., 16, 6949–6960, https://doi.org/10.5194/acp-16-6949-2016, 2016.
Zhang, Y. and Wang, Y.: Climate-driven ground-level ozone extreme in the fall over the Southeast United States, P. Natl. Acad. Sci. USA 113, 10025–10030, https://doi.org/10.1073/pnas.1602563113, 2016.
Zhang, Y., Zhang, R., Yu, J., Zhang, Z., Yang, W., Zhang, H., Lyu, S., Wang, Y., Dai, W., Wang, Y., and Wang, X.: Isoprene mixing ratios measured at twenty sites in China during 2012–2014: Comparison with model simulation, J. Geophys. Res.-Atmos., 125, e2020JD033523, https://doi.org/10.1029/2020JD033523, 2020.
Zhao, C. and Wang, Y.: Assimilated inversion of NOx emissions over east Asia using OMI NO2 column measurements, Geophys. Res. Lett., 36, https://doi.org/10.1029/2008GL037123, 2009.
Zhao, C., Wang, Y., and Zeng, T.: East China Plains: A “Basin” of Ozone Pollution, Environ. Sci. Technol., 43, 1911–1915, https://doi.org/10.1021/es8027764, 2009.
Zhao, C., Wang, Y., Yang, Q., Fu, R., Cunnold, D., and Choi, Y.: Impact of East Asian summer monsoon on the air quality over China: View from space, J. Geophys. Res.-Atmos., 115, https://doi.org/10.1029/2009JD012745, 2010.
Zhao, J., Bai , Y., Wang, Z., and Zhang, S.: Studies on the emission rates of plants VOCs in China, China Environ. Sci., 24, 654–647, https://doi.org/10.3321/j.issn:1000-6923.2004.06.004, 2004.
Zheng, J., Zheng, Z., Yu, Y., and Zhong, L.: Temporal, spatial characteristics and uncertainty of biogenic VOC emissions in the Pearl River Delta region, China, Atmos. Environ., 44, 1960–1969, https://doi.org/10.1016/j.atmosenv.2010.03.001, 2010.
Zhu, L., González Abad, G., Nowlan, C. R., Chan Miller, C., Chance, K., Apel, E. C., DiGangi, J. P., Fried, A., Hanisco, T. F., Hornbrook, R. S., Hu, L., Kaiser, J., Keutsch, F. N., Permar, W., St. Clair, J. M., and Wolfe, G. M.: Validation of satellite formaldehyde (HCHO) retrievals using observations from 12 aircraft campaigns, Atmos. Chem. Phys., 20, 12329–12345, https://doi.org/10.5194/acp-20-12329-2020, 2020.
Zhu, Y.: Study on plant-based VOC emissions in subtropical urban and rural areas, Zhejiang University, https://d.wanfangdata.com.cn/thesis/Y1854774 (last access: 7 November 2025), 2011.
Short summary
We developed the Speciated Isoprene Emission Model with Model of Emissions of Gases and Aerosols from Nature Algorithm for China to improve biogenic emission estimates using updated vegetation data and local measurements. The model predicts summer 2013 emissions of 10.92–11.37 teragrams of carbon. Validation shows our model performs better than the existing models, revealing underestimated isoprene impacts on ozone pollution in eastern China.
We developed the Speciated Isoprene Emission Model with Model of Emissions of Gases and Aerosols...
