Articles | Volume 12, issue 4
https://doi.org/10.5194/gmd-12-1403-2019
© Author(s) 2019. 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-12-1403-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Model description paper
| 
11 Apr 2019
Model description paper |
| 11 Apr 2019
| 11 Apr 2019
Implementation of the sectional aerosol module SALSA2.0 into the PALM model system 6.0: model development and first evaluation
Institute for Atmospheric and Earth System Research/Physics,
Faculty of Science, University of Helsinki,
P.O. Box 68, 00014 Helsinki, Finland
Antti Hellsten
Finnish Meteorological Institute, 00101 Helsinki, Finland
Pontus Roldin
Institute for Atmospheric and Earth System Research/Physics,
Faculty of Science, University of Helsinki,
P.O. Box 68, 00014 Helsinki, Finland
Division of Nuclear Physics, Lund University, 22100 Lund, Sweden
Harri Kokkola
Finnish Meteorological Institute, 70211 Kuopio, Finland
Juha Tonttila
Finnish Meteorological Institute, 70211 Kuopio, Finland
Mikko Auvinen
Institute for Atmospheric and Earth System Research/Physics,
Faculty of Science, University of Helsinki,
P.O. Box 68, 00014 Helsinki, Finland
Finnish Meteorological Institute, 00101 Helsinki, Finland
Christoph Kent
Department of Meteorology, University of Reading, Reading RG6 6BB, UK
Prashant Kumar
Global Centre for Clean Air Research (GCARE), Department of
Civil & Environmental Engineering, University of Surrey, Guildford GU2 7XH, UK
Björn Maronga
Leibniz University Hanover, Institute of Meteorology and Climatology, 30419 Hanover, Germany
Geophysical Institute, University of Bergen, 5020 Bergen, Norway
Leena Järvi
Institute for Atmospheric and Earth System Research/Physics,
Faculty of Science, University of Helsinki,
P.O. Box 68, 00014 Helsinki, Finland
Helsinki Institute of Sustainability Science, University of Helsinki, 00014 Helsinki, Finland
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- Description and evaluation of the community aerosol dynamics model MAFOR v2.0 M. Karl et al. 10.5194/gmd-15-3969-2022
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- A nested multi-scale system implemented in the large-eddy simulation model PALM model system 6.0 A. Hellsten et al. 10.5194/gmd-14-3185-2021
- Overview of the PALM model system 6.0 B. Maronga et al. 10.5194/gmd-13-1335-2020
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- Radial Basis Function Method for Predicting the Evolution of Aerosol Size Distributions for Coagulation Problems K. Wang et al. 10.3390/atmos13111895
- Effect of radiation interaction and aerosol processes on ventilation and aerosol concentrations in a real urban neighbourhood in Helsinki J. Strömberg et al. 10.5194/acp-23-9347-2023
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- Large-eddy simulation of the optimal street-tree layout for pedestrian-level aerosol particle concentrations – A case study from a city-boulevard S. Karttunen et al. 10.1016/j.aeaoa.2020.100073
- Geospatial input data for the PALM model system 6.0: model requirements, data sources and processing W. Heldens et al. 10.5194/gmd-13-5833-2020
- A novel approach of creating sustainable urban planning solutions that optimise the local air quality and environmental equity in Helsinki, Finland: The CouSCOUS study protocol J. Demmler et al. 10.1371/journal.pone.0260009
- Assessing urban ventilation using large-eddy simulations H. An & S. Park 10.1016/j.buildenv.2024.111899
- Multi-Box Modelling of Cooking-Generated Aerosols within an Urban Street Canyon S. Gao et al. 10.1016/j.atmosenv.2023.119748
- Development of an atmospheric chemistry model coupled to the PALM model system 6.0: implementation and first applications B. Khan et al. 10.5194/gmd-14-1171-2021
- Atmospheric transformation of urban particle number size distributions during the transport along street canyons as quantified by an aerosol sectional model L. Gerling & S. Weber 10.1016/j.apr.2021.101296
- An enhanced emission module for the PALM model system 23.10 with application for PM10 emission from urban domestic heating E. Chan et al. 10.5194/gmd-18-1119-2025
- Explicit aerosol–cloud interactions in the Dutch Atmospheric Large-Eddy Simulation model DALES4.1-M7 M. de Bruine et al. 10.5194/gmd-12-5177-2019
- Machine-learning models to replicate large-eddy simulations of air pollutant concentrations along boulevard-type streets M. Lange et al. 10.5194/gmd-14-7411-2021
- Sensitivity of spatial aerosol particle distributions to the boundary conditions in the PALM model system 6.0 M. Kurppa et al. 10.5194/gmd-13-5663-2020
- Aerosol composition, air quality, and boundary layer dynamics in the urban background of Stuttgart in winter H. Zhang et al. 10.5194/acp-24-10617-2024
- Towards seamless environmental prediction – development of Pan-Eurasian EXperiment (PEEX) modelling platform A. Mahura et al. 10.1080/20964471.2024.2325019
- In-cloud scavenging scheme for sectional aerosol modules – implementation in the framework of the Sectional Aerosol module for Large Scale Applications version 2.0 (SALSA2.0) global aerosol module E. Holopainen et al. 10.5194/gmd-13-6215-2020
- Impact of solid road barriers on reactive pollutant dispersion in an idealized urban canyon: A large-eddy simulation coupled with chemistry C. Lin et al. 10.1016/j.uclim.2024.101989
- Neighbourhood-scale dispersion of traffic-induced ultrafine particles in central London: WRF large eddy simulations J. Zhong et al. 10.1016/j.envpol.2020.115223
Latest update: 31 Jul 2025
Short summary
This paper describes the implementation of a sectional aerosol module, SALSA, into the PALM model system 6.0. The first evaluation study shows excellent agreements with measurements. Furthermore, we show that ignoring the dry deposition of aerosol particles can overestimate aerosol number concentrations by 20 %, whereas condensation and dissolutional growth increase the total aerosol mass by over 10 % in this specific urban environment.
This paper describes the implementation of a sectional aerosol module, SALSA, into the PALM...
