Arctic Air Pollution: New Insights from POLARCAT-IPY
Given the rapid nature of climate change occurring in the Arctic and the difficulty climate models have in quantitatively reproducing observed changes such as sea ice loss, it is important to improve understanding of the processes leading to climate change in this region, including the role of short...
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ftuninhampshire:oai:scholars.unh.edu:earthsci_facpub-1051 2023-05-15T14:33:47+02:00 Arctic Air Pollution: New Insights from POLARCAT-IPY Law, Katherine S Stohl, Andreas Quinn, Patricia K Brock, Charles A Burkhart, John F Paris, Jean-Daniel Ancellet, Gerard Singh, Hanwant B Roiger, Anke Schlager, Hans Dibb, Jack E. Jacob, Daniel J Arnold, S R Pelon, Jacques Thomas, Jennie L 2014-12-01T08:00:00Z application/pdf https://scholars.unh.edu/earthsci_facpub/52 https://scholars.unh.edu/cgi/viewcontent.cgi?article=1051&context=earthsci_facpub unknown University of New Hampshire Scholars' Repository https://scholars.unh.edu/earthsci_facpub/52 https://scholars.unh.edu/cgi/viewcontent.cgi?article=1051&context=earthsci_facpub Earth Sciences Scholarship Atmospheric Sciences text 2014 ftuninhampshire 2023-01-30T21:34:09Z Given the rapid nature of climate change occurring in the Arctic and the difficulty climate models have in quantitatively reproducing observed changes such as sea ice loss, it is important to improve understanding of the processes leading to climate change in this region, including the role of short-lived climate pollutants such as aerosols and ozone. It has long been known that pollution produced from emissions at midlatitudes can be transported to the Arctic, resulting in a winter/spring aerosol maximum known as Arctic haze. However, many uncertainties remain about the composition and origin of Arctic pollution throughout the troposphere; for example, many climate–chemistry models fail to reproduce the strong seasonality of aerosol abundance observed at Arctic surface sites, the origin and deposition mechanisms of black carbon (soot) particles that darken the snow and ice surface in the Arctic is poorly understood, and chemical processes controlling the abundance of tropospheric ozone are not well quantified. The International Polar Year (IPY) Polar Study using Aircraft, Remote Sensing, Surface Measurements and Models, Climate, Chemistry, Aerosols and Transport (POLARCAT) core project had the goal to improve understanding about the origins of pollutants transported to the Arctic; to detail the chemical composition, optical properties, and climate forcing potential of Arctic aerosols; to evaluate the processes governing tropospheric ozone; and to quantify the role of boreal forest fires. This article provides a review of the many results now available based on analysis of data collected during the POLARCAT aircraft-, ship-, and ground-based field campaigns in spring and summer 2008. Major findings are highlighted and areas requiring further investigation are discussed. Text Arctic Arctic pollution black carbon Climate change International Polar Year IPY Sea ice University of New Hampshire: Scholars Repository Arctic |
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University of New Hampshire: Scholars Repository |
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ftuninhampshire |
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Atmospheric Sciences |
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Atmospheric Sciences Law, Katherine S Stohl, Andreas Quinn, Patricia K Brock, Charles A Burkhart, John F Paris, Jean-Daniel Ancellet, Gerard Singh, Hanwant B Roiger, Anke Schlager, Hans Dibb, Jack E. Jacob, Daniel J Arnold, S R Pelon, Jacques Thomas, Jennie L Arctic Air Pollution: New Insights from POLARCAT-IPY |
topic_facet |
Atmospheric Sciences |
description |
Given the rapid nature of climate change occurring in the Arctic and the difficulty climate models have in quantitatively reproducing observed changes such as sea ice loss, it is important to improve understanding of the processes leading to climate change in this region, including the role of short-lived climate pollutants such as aerosols and ozone. It has long been known that pollution produced from emissions at midlatitudes can be transported to the Arctic, resulting in a winter/spring aerosol maximum known as Arctic haze. However, many uncertainties remain about the composition and origin of Arctic pollution throughout the troposphere; for example, many climate–chemistry models fail to reproduce the strong seasonality of aerosol abundance observed at Arctic surface sites, the origin and deposition mechanisms of black carbon (soot) particles that darken the snow and ice surface in the Arctic is poorly understood, and chemical processes controlling the abundance of tropospheric ozone are not well quantified. The International Polar Year (IPY) Polar Study using Aircraft, Remote Sensing, Surface Measurements and Models, Climate, Chemistry, Aerosols and Transport (POLARCAT) core project had the goal to improve understanding about the origins of pollutants transported to the Arctic; to detail the chemical composition, optical properties, and climate forcing potential of Arctic aerosols; to evaluate the processes governing tropospheric ozone; and to quantify the role of boreal forest fires. This article provides a review of the many results now available based on analysis of data collected during the POLARCAT aircraft-, ship-, and ground-based field campaigns in spring and summer 2008. Major findings are highlighted and areas requiring further investigation are discussed. |
format |
Text |
author |
Law, Katherine S Stohl, Andreas Quinn, Patricia K Brock, Charles A Burkhart, John F Paris, Jean-Daniel Ancellet, Gerard Singh, Hanwant B Roiger, Anke Schlager, Hans Dibb, Jack E. Jacob, Daniel J Arnold, S R Pelon, Jacques Thomas, Jennie L |
author_facet |
Law, Katherine S Stohl, Andreas Quinn, Patricia K Brock, Charles A Burkhart, John F Paris, Jean-Daniel Ancellet, Gerard Singh, Hanwant B Roiger, Anke Schlager, Hans Dibb, Jack E. Jacob, Daniel J Arnold, S R Pelon, Jacques Thomas, Jennie L |
author_sort |
Law, Katherine S |
title |
Arctic Air Pollution: New Insights from POLARCAT-IPY |
title_short |
Arctic Air Pollution: New Insights from POLARCAT-IPY |
title_full |
Arctic Air Pollution: New Insights from POLARCAT-IPY |
title_fullStr |
Arctic Air Pollution: New Insights from POLARCAT-IPY |
title_full_unstemmed |
Arctic Air Pollution: New Insights from POLARCAT-IPY |
title_sort |
arctic air pollution: new insights from polarcat-ipy |
publisher |
University of New Hampshire Scholars' Repository |
publishDate |
2014 |
url |
https://scholars.unh.edu/earthsci_facpub/52 https://scholars.unh.edu/cgi/viewcontent.cgi?article=1051&context=earthsci_facpub |
geographic |
Arctic |
geographic_facet |
Arctic |
genre |
Arctic Arctic pollution black carbon Climate change International Polar Year IPY Sea ice |
genre_facet |
Arctic Arctic pollution black carbon Climate change International Polar Year IPY Sea ice |
op_source |
Earth Sciences Scholarship |
op_relation |
https://scholars.unh.edu/earthsci_facpub/52 https://scholars.unh.edu/cgi/viewcontent.cgi?article=1051&context=earthsci_facpub |
_version_ |
1766306985365471232 |