A global off-line model of size-resolved aerosol microphysics: I. Model development and prediction of aerosol properties
International audience A GLObal Model of Aerosol Processes (GLOMAP) has been developed as an extension to the TOMCAT 3-D Eulerian off-line chemical transport model. GLOMAP simulates the evolution of the global aerosol size distribution using a sectional two-moment scheme and includes the processes o...
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ftccsdartic:oai:HAL:hal-00300913v1 2023-11-12T04:26:41+01:00 A global off-line model of size-resolved aerosol microphysics: I. Model development and prediction of aerosol properties Spracklen, D. V. Pringle, K. J. Carslaw, K. S. Chipperfield, M. P. Mann, G. W. School of Earth and Environment Leeds (SEE) University of Leeds 2005-01-14 https://hal.science/hal-00300913 https://hal.science/hal-00300913/document https://hal.science/hal-00300913/file/acpd-5-179-2005.pdf en eng HAL CCSD European Geosciences Union hal-00300913 https://hal.science/hal-00300913 https://hal.science/hal-00300913/document https://hal.science/hal-00300913/file/acpd-5-179-2005.pdf info:eu-repo/semantics/OpenAccess ISSN: 1680-7367 EISSN: 1680-7375 Atmospheric Chemistry and Physics Discussions https://hal.science/hal-00300913 Atmospheric Chemistry and Physics Discussions, 2005, 5 (1), pp.179-215 [SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere info:eu-repo/semantics/article Journal articles 2005 ftccsdartic 2023-10-21T23:13:58Z International audience A GLObal Model of Aerosol Processes (GLOMAP) has been developed as an extension to the TOMCAT 3-D Eulerian off-line chemical transport model. GLOMAP simulates the evolution of the global aerosol size distribution using a sectional two-moment scheme and includes the processes of aerosol nucleation, condensation, growth, coagulation, wet and dry deposition and cloud processing. We describe the results of a global simulation of sulfuric acid and sea spray aerosol. The model captures features of the aerosol size distribution that are well established from observations in the marine boundary layer and free troposphere. Modelled condensation nuclei (CN>3 nm) vary between about 250?500 cm -3 in remote marine boundary layer regions and between 2000 and 10 000 cm -3 (at standard temperature and pressure) in the upper troposphere. Cloud condensation nuclei (CCN) at 0.2% supersaturation vary between about 1000 cm -3 in polluted regions and between 10 and 500 cm -3 in the remote marine boundary layer. New particle formation through sulfuric acid-water binary nucleation occurs predominantly in the upper troposphere, but the model results show that these particles contribute greatly to aerosol concentrations in the marine boundary layer. It is estimated that sea spray emissions account for only ~10% of CCN in the tropical marine boundary layer, but between 20 and 75% in the mid-latitude Southern Ocean. Article in Journal/Newspaper Southern Ocean Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe) Southern Ocean |
institution |
Open Polar |
collection |
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe) |
op_collection_id |
ftccsdartic |
language |
English |
topic |
[SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere |
spellingShingle |
[SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere Spracklen, D. V. Pringle, K. J. Carslaw, K. S. Chipperfield, M. P. Mann, G. W. A global off-line model of size-resolved aerosol microphysics: I. Model development and prediction of aerosol properties |
topic_facet |
[SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere |
description |
International audience A GLObal Model of Aerosol Processes (GLOMAP) has been developed as an extension to the TOMCAT 3-D Eulerian off-line chemical transport model. GLOMAP simulates the evolution of the global aerosol size distribution using a sectional two-moment scheme and includes the processes of aerosol nucleation, condensation, growth, coagulation, wet and dry deposition and cloud processing. We describe the results of a global simulation of sulfuric acid and sea spray aerosol. The model captures features of the aerosol size distribution that are well established from observations in the marine boundary layer and free troposphere. Modelled condensation nuclei (CN>3 nm) vary between about 250?500 cm -3 in remote marine boundary layer regions and between 2000 and 10 000 cm -3 (at standard temperature and pressure) in the upper troposphere. Cloud condensation nuclei (CCN) at 0.2% supersaturation vary between about 1000 cm -3 in polluted regions and between 10 and 500 cm -3 in the remote marine boundary layer. New particle formation through sulfuric acid-water binary nucleation occurs predominantly in the upper troposphere, but the model results show that these particles contribute greatly to aerosol concentrations in the marine boundary layer. It is estimated that sea spray emissions account for only ~10% of CCN in the tropical marine boundary layer, but between 20 and 75% in the mid-latitude Southern Ocean. |
author2 |
School of Earth and Environment Leeds (SEE) University of Leeds |
format |
Article in Journal/Newspaper |
author |
Spracklen, D. V. Pringle, K. J. Carslaw, K. S. Chipperfield, M. P. Mann, G. W. |
author_facet |
Spracklen, D. V. Pringle, K. J. Carslaw, K. S. Chipperfield, M. P. Mann, G. W. |
author_sort |
Spracklen, D. V. |
title |
A global off-line model of size-resolved aerosol microphysics: I. Model development and prediction of aerosol properties |
title_short |
A global off-line model of size-resolved aerosol microphysics: I. Model development and prediction of aerosol properties |
title_full |
A global off-line model of size-resolved aerosol microphysics: I. Model development and prediction of aerosol properties |
title_fullStr |
A global off-line model of size-resolved aerosol microphysics: I. Model development and prediction of aerosol properties |
title_full_unstemmed |
A global off-line model of size-resolved aerosol microphysics: I. Model development and prediction of aerosol properties |
title_sort |
global off-line model of size-resolved aerosol microphysics: i. model development and prediction of aerosol properties |
publisher |
HAL CCSD |
publishDate |
2005 |
url |
https://hal.science/hal-00300913 https://hal.science/hal-00300913/document https://hal.science/hal-00300913/file/acpd-5-179-2005.pdf |
geographic |
Southern Ocean |
geographic_facet |
Southern Ocean |
genre |
Southern Ocean |
genre_facet |
Southern Ocean |
op_source |
ISSN: 1680-7367 EISSN: 1680-7375 Atmospheric Chemistry and Physics Discussions https://hal.science/hal-00300913 Atmospheric Chemistry and Physics Discussions, 2005, 5 (1), pp.179-215 |
op_relation |
hal-00300913 https://hal.science/hal-00300913 https://hal.science/hal-00300913/document https://hal.science/hal-00300913/file/acpd-5-179-2005.pdf |
op_rights |
info:eu-repo/semantics/OpenAccess |
_version_ |
1782340574822531072 |