Dynamics of gaseous oxidized mercury at Villum Research Station during the High Arctic summer
While much research has been devoted to the subject of gaseous elemental mercury (GEM) and gaseous oxidized mercury (GOM) in the Arctic spring during atmospheric mercury depletion events, few studies have examined the behavior of GOM in the High Arctic summer. GOM, once deposited and incorporated in...
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2021
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ftnonlinearchiv:oai:noa.gwlb.de:cop_mods_00058086 2024-09-15T18:10:07+00:00 Dynamics of gaseous oxidized mercury at Villum Research Station during the High Arctic summer Pernov, Jakob Boyd Jensen, Bjarne Massling, Andreas Thomas, Daniel Charles Skov, Henrik 2021-09 electronic https://doi.org/10.5194/acp-21-13287-2021 https://noa.gwlb.de/receive/cop_mods_00058086 https://noa.gwlb.de/servlets/MCRFileNodeServlet/cop_derivate_00057736/acp-21-13287-2021.pdf https://acp.copernicus.org/articles/21/13287/2021/acp-21-13287-2021.pdf eng eng Copernicus Publications Atmospheric Chemistry and Physics -- http://www.atmos-chem-phys.net/volumes_and_issues.html -- http://www.bibliothek.uni-regensburg.de/ezeit/?2069847 -- 1680-7324 https://doi.org/10.5194/acp-21-13287-2021 https://noa.gwlb.de/receive/cop_mods_00058086 https://noa.gwlb.de/servlets/MCRFileNodeServlet/cop_derivate_00057736/acp-21-13287-2021.pdf https://acp.copernicus.org/articles/21/13287/2021/acp-21-13287-2021.pdf https://creativecommons.org/licenses/by/4.0/ uneingeschränkt info:eu-repo/semantics/openAccess article Verlagsveröffentlichung article Text doc-type:article 2021 ftnonlinearchiv https://doi.org/10.5194/acp-21-13287-2021 2024-06-26T04:38:21Z While much research has been devoted to the subject of gaseous elemental mercury (GEM) and gaseous oxidized mercury (GOM) in the Arctic spring during atmospheric mercury depletion events, few studies have examined the behavior of GOM in the High Arctic summer. GOM, once deposited and incorporated into the ecosystem, can pose a threat to human and wildlife health, though there remain large uncertainties regarding the transformation, deposition, and assimilation of mercury into the food web. Therefore, to further our understanding of the dynamics of GOM in the High Arctic during the late summer, we performed measurements of GEM and GOM, along with meteorological parameters and atmospheric constituents, and utilized modeled air mass history during two summer campaigns in 2019 and 2020 at Villum Research Station (Villum) in northeastern Greenland. Seven events of enhanced GOM concentrations were identified and investigated in greater detail. In general, the common factors associated with event periods at ground level were higher levels of radiation and lower H2O mixing ratios, accumulated precipitation, and relative humidity (RH), although none were connected with cold temperatures. Non-event periods at ground level each displayed a different pattern in one or more parameters when compared to event periods. Generally, air masses during event periods for both campaigns were colder and drier, arrived from higher altitudes, and spent more time above the mixed layer and less time in a cloud compared to non-events, although some events deviated from this general pattern. Non-event air masses displayed a different pattern in one or more parameters when compared to event periods, although they were generally warmer and wetter and arrived from lower altitudes with little radiation. Coarse-mode aerosols were hypothesized to provide the heterogenous surface for halogen propagation during some of the events, while for others the source is unknown. While these general patterns were observed for event and non-event periods, ... Article in Journal/Newspaper Greenland Niedersächsisches Online-Archiv NOA Atmospheric Chemistry and Physics 21 17 13287 13309 |
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article Verlagsveröffentlichung Pernov, Jakob Boyd Jensen, Bjarne Massling, Andreas Thomas, Daniel Charles Skov, Henrik Dynamics of gaseous oxidized mercury at Villum Research Station during the High Arctic summer |
topic_facet |
article Verlagsveröffentlichung |
description |
While much research has been devoted to the subject of gaseous elemental mercury (GEM) and gaseous oxidized mercury (GOM) in the Arctic spring during atmospheric mercury depletion events, few studies have examined the behavior of GOM in the High Arctic summer. GOM, once deposited and incorporated into the ecosystem, can pose a threat to human and wildlife health, though there remain large uncertainties regarding the transformation, deposition, and assimilation of mercury into the food web. Therefore, to further our understanding of the dynamics of GOM in the High Arctic during the late summer, we performed measurements of GEM and GOM, along with meteorological parameters and atmospheric constituents, and utilized modeled air mass history during two summer campaigns in 2019 and 2020 at Villum Research Station (Villum) in northeastern Greenland. Seven events of enhanced GOM concentrations were identified and investigated in greater detail. In general, the common factors associated with event periods at ground level were higher levels of radiation and lower H2O mixing ratios, accumulated precipitation, and relative humidity (RH), although none were connected with cold temperatures. Non-event periods at ground level each displayed a different pattern in one or more parameters when compared to event periods. Generally, air masses during event periods for both campaigns were colder and drier, arrived from higher altitudes, and spent more time above the mixed layer and less time in a cloud compared to non-events, although some events deviated from this general pattern. Non-event air masses displayed a different pattern in one or more parameters when compared to event periods, although they were generally warmer and wetter and arrived from lower altitudes with little radiation. Coarse-mode aerosols were hypothesized to provide the heterogenous surface for halogen propagation during some of the events, while for others the source is unknown. While these general patterns were observed for event and non-event periods, ... |
format |
Article in Journal/Newspaper |
author |
Pernov, Jakob Boyd Jensen, Bjarne Massling, Andreas Thomas, Daniel Charles Skov, Henrik |
author_facet |
Pernov, Jakob Boyd Jensen, Bjarne Massling, Andreas Thomas, Daniel Charles Skov, Henrik |
author_sort |
Pernov, Jakob Boyd |
title |
Dynamics of gaseous oxidized mercury at Villum Research Station during the High Arctic summer |
title_short |
Dynamics of gaseous oxidized mercury at Villum Research Station during the High Arctic summer |
title_full |
Dynamics of gaseous oxidized mercury at Villum Research Station during the High Arctic summer |
title_fullStr |
Dynamics of gaseous oxidized mercury at Villum Research Station during the High Arctic summer |
title_full_unstemmed |
Dynamics of gaseous oxidized mercury at Villum Research Station during the High Arctic summer |
title_sort |
dynamics of gaseous oxidized mercury at villum research station during the high arctic summer |
publisher |
Copernicus Publications |
publishDate |
2021 |
url |
https://doi.org/10.5194/acp-21-13287-2021 https://noa.gwlb.de/receive/cop_mods_00058086 https://noa.gwlb.de/servlets/MCRFileNodeServlet/cop_derivate_00057736/acp-21-13287-2021.pdf https://acp.copernicus.org/articles/21/13287/2021/acp-21-13287-2021.pdf |
genre |
Greenland |
genre_facet |
Greenland |
op_relation |
Atmospheric Chemistry and Physics -- http://www.atmos-chem-phys.net/volumes_and_issues.html -- http://www.bibliothek.uni-regensburg.de/ezeit/?2069847 -- 1680-7324 https://doi.org/10.5194/acp-21-13287-2021 https://noa.gwlb.de/receive/cop_mods_00058086 https://noa.gwlb.de/servlets/MCRFileNodeServlet/cop_derivate_00057736/acp-21-13287-2021.pdf https://acp.copernicus.org/articles/21/13287/2021/acp-21-13287-2021.pdf |
op_rights |
https://creativecommons.org/licenses/by/4.0/ uneingeschränkt info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.5194/acp-21-13287-2021 |
container_title |
Atmospheric Chemistry and Physics |
container_volume |
21 |
container_issue |
17 |
container_start_page |
13287 |
op_container_end_page |
13309 |
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1810447710673698816 |