GEM/POPs: a global 3-D dynamic model for semi-volatile persistent organic pollutants ? Part 2: Global transports and budgets of PCBs
International audience Global transports and budgets of three PCBs were investigated with a 3-D dynamic model for semi-volatile persistent organic pollutants ? GEM/POPs. Dominant pathways were identified for PCB transports in the atmosphere with a transport flux peaking below 8 km for gaseous and 14...
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ftccsdartic:oai:HAL:hal-00296302v1 2023-11-12T04:13:39+01:00 GEM/POPs: a global 3-D dynamic model for semi-volatile persistent organic pollutants ? Part 2: Global transports and budgets of PCBs Huang, P. Gong, S. L. Zhao, T. L. Neary, L. Barrie, L. A. Air Quality Research Division Toronto Environment and Climate Change Canada Department of Chemical Engineering and Applied Chemistry (CHEM ENG) University of Toronto Department of Earth and Space Science and Engineering York University - Toronto (ESSE) York University Toronto Atmospheric Research and Environment Branch of the WMO World Meteorological Organization (WMO) 2007-08-01 https://hal.science/hal-00296302 https://hal.science/hal-00296302/document https://hal.science/hal-00296302/file/acp-7-4015-2007.pdf en eng HAL CCSD European Geosciences Union hal-00296302 https://hal.science/hal-00296302 https://hal.science/hal-00296302/document https://hal.science/hal-00296302/file/acp-7-4015-2007.pdf info:eu-repo/semantics/OpenAccess ISSN: 1680-7316 EISSN: 1680-7324 Atmospheric Chemistry and Physics https://hal.science/hal-00296302 Atmospheric Chemistry and Physics, 2007, 7 (15), pp.4015-4025 [SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere info:eu-repo/semantics/article Journal articles 2007 ftccsdartic 2023-10-21T23:16:55Z International audience Global transports and budgets of three PCBs were investigated with a 3-D dynamic model for semi-volatile persistent organic pollutants ? GEM/POPs. Dominant pathways were identified for PCB transports in the atmosphere with a transport flux peaking below 8 km for gaseous and 14 km for particulate PCB28, and peaking below 4 km for gaseous and 6 km for particulate PCB180. The inter-continental transports of PCBs in the Northern Hemisphere (NH) are dominated in the zonal direction with their route changes regulated seasonally by the variation of westerly jet. The transport pathways from Europe and North Atlantic contributed the most PCBs to the Arctic. Inter-hemispheric transports of PCBs originated from the regions of Europe, Asia and North America in three different flow-paths, accompanying with easterly jet, Asian monsoon winds and trade winds. PCBs from the Southern Hemisphere (SH) could also be exported into the NH. According to the PCB emissions of year 2000, Europe, North America and Asia are the three largest sources of the three PCBs, contributing to the global background concentrations in the atmosphere, soil and water. Globally, PCB28 in soil and water has become a comparable source to the anthropogenic emissions while heavier PCBs such as PCB153 and 180 are still transporting into soil and water. For all three congeners, particulate PCBs are concentrated in the higher levels than gaseous PCBs. More than half of the particulate PCB28 could reach up to the stratosphere, while most of the heavier counter-parts (PCB153 and PCB180) are stored in the troposphere including boundary layer with more than 99% gaseous PCB180 below 6 km. Article in Journal/Newspaper Arctic North Atlantic Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe) Arctic |
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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 Huang, P. Gong, S. L. Zhao, T. L. Neary, L. Barrie, L. A. GEM/POPs: a global 3-D dynamic model for semi-volatile persistent organic pollutants ? Part 2: Global transports and budgets of PCBs |
topic_facet |
[SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere |
description |
International audience Global transports and budgets of three PCBs were investigated with a 3-D dynamic model for semi-volatile persistent organic pollutants ? GEM/POPs. Dominant pathways were identified for PCB transports in the atmosphere with a transport flux peaking below 8 km for gaseous and 14 km for particulate PCB28, and peaking below 4 km for gaseous and 6 km for particulate PCB180. The inter-continental transports of PCBs in the Northern Hemisphere (NH) are dominated in the zonal direction with their route changes regulated seasonally by the variation of westerly jet. The transport pathways from Europe and North Atlantic contributed the most PCBs to the Arctic. Inter-hemispheric transports of PCBs originated from the regions of Europe, Asia and North America in three different flow-paths, accompanying with easterly jet, Asian monsoon winds and trade winds. PCBs from the Southern Hemisphere (SH) could also be exported into the NH. According to the PCB emissions of year 2000, Europe, North America and Asia are the three largest sources of the three PCBs, contributing to the global background concentrations in the atmosphere, soil and water. Globally, PCB28 in soil and water has become a comparable source to the anthropogenic emissions while heavier PCBs such as PCB153 and 180 are still transporting into soil and water. For all three congeners, particulate PCBs are concentrated in the higher levels than gaseous PCBs. More than half of the particulate PCB28 could reach up to the stratosphere, while most of the heavier counter-parts (PCB153 and PCB180) are stored in the troposphere including boundary layer with more than 99% gaseous PCB180 below 6 km. |
author2 |
Air Quality Research Division Toronto Environment and Climate Change Canada Department of Chemical Engineering and Applied Chemistry (CHEM ENG) University of Toronto Department of Earth and Space Science and Engineering York University - Toronto (ESSE) York University Toronto Atmospheric Research and Environment Branch of the WMO World Meteorological Organization (WMO) |
format |
Article in Journal/Newspaper |
author |
Huang, P. Gong, S. L. Zhao, T. L. Neary, L. Barrie, L. A. |
author_facet |
Huang, P. Gong, S. L. Zhao, T. L. Neary, L. Barrie, L. A. |
author_sort |
Huang, P. |
title |
GEM/POPs: a global 3-D dynamic model for semi-volatile persistent organic pollutants ? Part 2: Global transports and budgets of PCBs |
title_short |
GEM/POPs: a global 3-D dynamic model for semi-volatile persistent organic pollutants ? Part 2: Global transports and budgets of PCBs |
title_full |
GEM/POPs: a global 3-D dynamic model for semi-volatile persistent organic pollutants ? Part 2: Global transports and budgets of PCBs |
title_fullStr |
GEM/POPs: a global 3-D dynamic model for semi-volatile persistent organic pollutants ? Part 2: Global transports and budgets of PCBs |
title_full_unstemmed |
GEM/POPs: a global 3-D dynamic model for semi-volatile persistent organic pollutants ? Part 2: Global transports and budgets of PCBs |
title_sort |
gem/pops: a global 3-d dynamic model for semi-volatile persistent organic pollutants ? part 2: global transports and budgets of pcbs |
publisher |
HAL CCSD |
publishDate |
2007 |
url |
https://hal.science/hal-00296302 https://hal.science/hal-00296302/document https://hal.science/hal-00296302/file/acp-7-4015-2007.pdf |
geographic |
Arctic |
geographic_facet |
Arctic |
genre |
Arctic North Atlantic |
genre_facet |
Arctic North Atlantic |
op_source |
ISSN: 1680-7316 EISSN: 1680-7324 Atmospheric Chemistry and Physics https://hal.science/hal-00296302 Atmospheric Chemistry and Physics, 2007, 7 (15), pp.4015-4025 |
op_relation |
hal-00296302 https://hal.science/hal-00296302 https://hal.science/hal-00296302/document https://hal.science/hal-00296302/file/acp-7-4015-2007.pdf |
op_rights |
info:eu-repo/semantics/OpenAccess |
_version_ |
1782331555194077184 |