Articles | Volume 13, issue 10
https://doi.org/10.5194/gmd-13-4749-2020
© Author(s) 2020. 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-13-4749-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Model evaluation paper
| 
02 Oct 2020
Model evaluation paper |
| 02 Oct 2020
| 02 Oct 2020
Role of atmospheric horizontal resolution in simulating tropical and subtropical South American precipitation in HadGEM3-GC31
Department of Meteorology, National Centre for Atmospheric Science
(NCAS), University of Reading, Reading, UK
Amulya Chevuturi
Department of Meteorology, National Centre for Atmospheric Science
(NCAS), University of Reading, Reading, UK
Peter Cook
Department of Meteorology, National Centre for Atmospheric Science
(NCAS), University of Reading, Reading, UK
Nicholas P. Klingaman
Department of Meteorology, National Centre for Atmospheric Science
(NCAS), University of Reading, Reading, UK
Christopher E. Holloway
Department of Meteorology, University of Reading, Reading, UK
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Cited
15 citations as recorded by crossref.
- Threefold increase in most intense South Atlantic convergence zone events by 2100 in convection-permitting simulation M. Zilli et al. https://doi.org/10.1088/1748-9326/ade16e
- Evaluating the Water Cycle Over CONUS at the Watershed Scale for the Energy Exascale Earth System Model Version 1 (E3SMv1) Across Resolutions B. Harrop et al. https://doi.org/10.1029/2022MS003490
- Assessment and future projections of storm surge using CMIP6 models in the Indo-Pacific region K. Saha et al. https://doi.org/10.1016/j.ocemod.2025.102560
- Impact of horizontal resolution and model time step on European precipitation extremes in the OpenIFS 43r3 atmospheric model Y. Liu et al. https://doi.org/10.5194/gmd-18-5435-2025
- Impact of increased resolution on long-standing biases in HighResMIP-PRIMAVERA climate models E. Moreno-Chamarro et al. https://doi.org/10.5194/gmd-15-269-2022
- An evaluation of the seasonal Caribbean hydroclimate in low and high-resolution CESM and other CMIP6 models C. Martinez et al. https://doi.org/10.1007/s00382-024-07516-4
- Extreme rainfall and landslides as a response to human-induced climate change: a case study at Baixada Santista, Brazil, 2020 D. de Souza et al. https://doi.org/10.1007/s11069-024-06621-1
- Variability of land water availability sensitivity to model resolution: disentangling the influences of runoff and soil water X. Kong et al. https://doi.org/10.1088/1748-9326/ae83cd
- High-Resolution Model Intercomparison Project phase 2 (HighResMIP2) towards CMIP7 M. Roberts et al. https://doi.org/10.5194/gmd-18-1307-2025
- The double‐ITCZ problem in CMIP6 and the influences of deep convection and model resolution X. Ma et al. https://doi.org/10.1002/joc.7980
- The added value of using convective-permitting regional climate model simulations to represent cloud band events over South America M. Zilli et al. https://doi.org/10.1007/s00382-024-07460-3
- Adapting to climate change in arid agricultural systems: An optimization model for water-energy-food nexus sustainability R. Radmehr et al. https://doi.org/10.1016/j.agwat.2024.109052
- Toward Earth system modeling with resolved clouds and ocean submesoscales on heterogeneous many-core HPCs S. Zhang et al. https://doi.org/10.1093/nsr/nwad069
- Uncertainties in measuring precipitation hinders precise evaluation of loss of diversity in biomes and ecotones A. Navarro et al. https://doi.org/10.1038/s41612-024-00581-w
- Coupled model intercomparison project phase 6 (CMIP6) high resolution model intercomparison project (HighResMIP) bias in extreme rainfall drives underestimation of amazonian precipitation R. Negron-Juarez et al. https://doi.org/10.1088/2515-7620/ad6ff9
15 citations as recorded by crossref.
- Threefold increase in most intense South Atlantic convergence zone events by 2100 in convection-permitting simulation M. Zilli et al. https://doi.org/10.1088/1748-9326/ade16e
- Evaluating the Water Cycle Over CONUS at the Watershed Scale for the Energy Exascale Earth System Model Version 1 (E3SMv1) Across Resolutions B. Harrop et al. https://doi.org/10.1029/2022MS003490
- Assessment and future projections of storm surge using CMIP6 models in the Indo-Pacific region K. Saha et al. https://doi.org/10.1016/j.ocemod.2025.102560
- Impact of horizontal resolution and model time step on European precipitation extremes in the OpenIFS 43r3 atmospheric model Y. Liu et al. https://doi.org/10.5194/gmd-18-5435-2025
- Impact of increased resolution on long-standing biases in HighResMIP-PRIMAVERA climate models E. Moreno-Chamarro et al. https://doi.org/10.5194/gmd-15-269-2022
- An evaluation of the seasonal Caribbean hydroclimate in low and high-resolution CESM and other CMIP6 models C. Martinez et al. https://doi.org/10.1007/s00382-024-07516-4
- Extreme rainfall and landslides as a response to human-induced climate change: a case study at Baixada Santista, Brazil, 2020 D. de Souza et al. https://doi.org/10.1007/s11069-024-06621-1
- Variability of land water availability sensitivity to model resolution: disentangling the influences of runoff and soil water X. Kong et al. https://doi.org/10.1088/1748-9326/ae83cd
- High-Resolution Model Intercomparison Project phase 2 (HighResMIP2) towards CMIP7 M. Roberts et al. https://doi.org/10.5194/gmd-18-1307-2025
- The double‐ITCZ problem in CMIP6 and the influences of deep convection and model resolution X. Ma et al. https://doi.org/10.1002/joc.7980
- The added value of using convective-permitting regional climate model simulations to represent cloud band events over South America M. Zilli et al. https://doi.org/10.1007/s00382-024-07460-3
- Adapting to climate change in arid agricultural systems: An optimization model for water-energy-food nexus sustainability R. Radmehr et al. https://doi.org/10.1016/j.agwat.2024.109052
- Toward Earth system modeling with resolved clouds and ocean submesoscales on heterogeneous many-core HPCs S. Zhang et al. https://doi.org/10.1093/nsr/nwad069
- Uncertainties in measuring precipitation hinders precise evaluation of loss of diversity in biomes and ecotones A. Navarro et al. https://doi.org/10.1038/s41612-024-00581-w
- Coupled model intercomparison project phase 6 (CMIP6) high resolution model intercomparison project (HighResMIP) bias in extreme rainfall drives underestimation of amazonian precipitation R. Negron-Juarez et al. https://doi.org/10.1088/2515-7620/ad6ff9
Saved (final revised paper)
Latest update: 12 Nov 2026
Short summary
In this study, we assess how increasing the horizontal resolution of HadGEM3-GC31 can allow simulating better tropical and subtropical South American precipitation. We compare simulations of HadGEM3-GC3.1, performed at three different horizontal resolutions. We show that increasing resolution allows decreasing precipitation biases over the Andes and northeast Brazil and improves the simulation of daily precipitation distribution.
In this study, we assess how increasing the horizontal resolution of HadGEM3-GC31 can allow...
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