Aerosol remote sensing in polar regions
Multi-year sets of ground-based sun-photometer measurements conducted at 12 Arctic sites and 9 Antarctic sites were examined to determine daily mean values of aerosol optical thickness τ(λ) at visible and near-infrared wavelengths, from which best-fit values of Ångström's exponent α were calcul...
Published in: | Earth-Science Reviews |
---|---|
Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
Language: | unknown |
Published: |
2023
|
Subjects: | |
Online Access: | http://www.osti.gov/servlets/purl/1167151 https://www.osti.gov/biblio/1167151 https://doi.org/10.1016/j.earscirev.2014.11.001 |
id |
ftosti:oai:osti.gov:1167151 |
---|---|
record_format |
openpolar |
spelling |
ftosti:oai:osti.gov:1167151 2023-07-30T03:59:02+02:00 Aerosol remote sensing in polar regions Tomasi, Claudio Kokhanovsky, Alexander A. Lupi, Angelo Ritter, Christoph Smirnov, Alexander O'Neill, Norman T. Stone, Robert S. Holben, Brent N. Nyeki, Stephan Wehrli, Christoph Stohl, Andreas Mazzola, Mauro Lanconelli, Christian Vitale, Vito Stebel, Kerstin Aaltonen, Veijo de Leeuw, Gerrit Rodriguez, Edith Herber, Andreas B. Radionov, Vladimir F. Zielinski, Tymon Petelski, Tomasz Sakerin, Sergey M. Kabanov, Dmitry M. Xue, Yong Mei, Linlu Istomina, Larysa Wagener, Richard McArthur, Bruce Sobolewski, Piotr S. Kivi, Rigel Courcoux, Yann Larouche, Pierre Broccardo, Stephen Piketh, Stuart J. 2023-06-26 application/pdf http://www.osti.gov/servlets/purl/1167151 https://www.osti.gov/biblio/1167151 https://doi.org/10.1016/j.earscirev.2014.11.001 unknown http://www.osti.gov/servlets/purl/1167151 https://www.osti.gov/biblio/1167151 https://doi.org/10.1016/j.earscirev.2014.11.001 doi:10.1016/j.earscirev.2014.11.001 54 ENVIRONMENTAL SCIENCES 2023 ftosti https://doi.org/10.1016/j.earscirev.2014.11.001 2023-07-11T08:58:15Z Multi-year sets of ground-based sun-photometer measurements conducted at 12 Arctic sites and 9 Antarctic sites were examined to determine daily mean values of aerosol optical thickness τ(λ) at visible and near-infrared wavelengths, from which best-fit values of Ångström's exponent α were calculated. Analysing these data, the monthly mean values of τ(0.50 μm) and α and the relative frequency histograms of the daily mean values of both parameters were determined for winter–spring and summer–autumn in the Arctic and for austral summer in Antarctica. The Arctic and Antarctic covariance plots of the seasonal median values of α versus τ(0.50 μm) showed: (i) a considerable increase in τ(0.50 μm) for the Arctic aerosol from summer to winter–spring, without marked changes in α; and (ii) a marked increase in τ(0.50 μm) passing from the Antarctic Plateau to coastal sites, whereas α decreased considerably due to the larger fraction of sea-salt aerosol. Good agreement was found when comparing ground-based sun-photometer measurements of τ(λ) and α at Arctic and Antarctic coastal sites with Microtops measurements conducted during numerous AERONET/MAN cruises from 2006 to 2013 in three Arctic Ocean sectors and in coastal and off-shore regions of the Southern Atlantic, Pacific, and Indian Oceans, and the Antarctic Peninsula. Lidar measurements were also examined to characterise vertical profiles of the aerosol backscattering coefficient measured throughout the year at Ny-Ålesund. Satellite-based MODIS, MISR, and AATSR retrievals of τ(λ) over large parts of the oceanic polar regions during spring and summer were in close agreement with ship-borne and coastal ground-based sun-photometer measurements. An overview of the chemical composition of mode particles is also presented, based on in-situ measurements at Arctic and Antarctic sites. Fourteen log-normal aerosol number size-distributions were defined to represent the average features of nuclei, accumulation and coarse mode particles for Arctic haze, summer background aerosol, ... Other/Unknown Material Antarc* Antarctic Antarctic Peninsula Antarctica Arctic Arctic Ocean Ny Ålesund Ny-Ålesund SciTec Connect (Office of Scientific and Technical Information - OSTI, U.S. Department of Energy) Antarctic Antarctic Peninsula Arctic Arctic Ocean Austral Indian Ny-Ålesund Pacific The Antarctic Earth-Science Reviews 140 108 157 |
institution |
Open Polar |
collection |
SciTec Connect (Office of Scientific and Technical Information - OSTI, U.S. Department of Energy) |
op_collection_id |
ftosti |
language |
unknown |
topic |
54 ENVIRONMENTAL SCIENCES |
spellingShingle |
54 ENVIRONMENTAL SCIENCES Tomasi, Claudio Kokhanovsky, Alexander A. Lupi, Angelo Ritter, Christoph Smirnov, Alexander O'Neill, Norman T. Stone, Robert S. Holben, Brent N. Nyeki, Stephan Wehrli, Christoph Stohl, Andreas Mazzola, Mauro Lanconelli, Christian Vitale, Vito Stebel, Kerstin Aaltonen, Veijo de Leeuw, Gerrit Rodriguez, Edith Herber, Andreas B. Radionov, Vladimir F. Zielinski, Tymon Petelski, Tomasz Sakerin, Sergey M. Kabanov, Dmitry M. Xue, Yong Mei, Linlu Istomina, Larysa Wagener, Richard McArthur, Bruce Sobolewski, Piotr S. Kivi, Rigel Courcoux, Yann Larouche, Pierre Broccardo, Stephen Piketh, Stuart J. Aerosol remote sensing in polar regions |
topic_facet |
54 ENVIRONMENTAL SCIENCES |
description |
Multi-year sets of ground-based sun-photometer measurements conducted at 12 Arctic sites and 9 Antarctic sites were examined to determine daily mean values of aerosol optical thickness τ(λ) at visible and near-infrared wavelengths, from which best-fit values of Ångström's exponent α were calculated. Analysing these data, the monthly mean values of τ(0.50 μm) and α and the relative frequency histograms of the daily mean values of both parameters were determined for winter–spring and summer–autumn in the Arctic and for austral summer in Antarctica. The Arctic and Antarctic covariance plots of the seasonal median values of α versus τ(0.50 μm) showed: (i) a considerable increase in τ(0.50 μm) for the Arctic aerosol from summer to winter–spring, without marked changes in α; and (ii) a marked increase in τ(0.50 μm) passing from the Antarctic Plateau to coastal sites, whereas α decreased considerably due to the larger fraction of sea-salt aerosol. Good agreement was found when comparing ground-based sun-photometer measurements of τ(λ) and α at Arctic and Antarctic coastal sites with Microtops measurements conducted during numerous AERONET/MAN cruises from 2006 to 2013 in three Arctic Ocean sectors and in coastal and off-shore regions of the Southern Atlantic, Pacific, and Indian Oceans, and the Antarctic Peninsula. Lidar measurements were also examined to characterise vertical profiles of the aerosol backscattering coefficient measured throughout the year at Ny-Ålesund. Satellite-based MODIS, MISR, and AATSR retrievals of τ(λ) over large parts of the oceanic polar regions during spring and summer were in close agreement with ship-borne and coastal ground-based sun-photometer measurements. An overview of the chemical composition of mode particles is also presented, based on in-situ measurements at Arctic and Antarctic sites. Fourteen log-normal aerosol number size-distributions were defined to represent the average features of nuclei, accumulation and coarse mode particles for Arctic haze, summer background aerosol, ... |
author |
Tomasi, Claudio Kokhanovsky, Alexander A. Lupi, Angelo Ritter, Christoph Smirnov, Alexander O'Neill, Norman T. Stone, Robert S. Holben, Brent N. Nyeki, Stephan Wehrli, Christoph Stohl, Andreas Mazzola, Mauro Lanconelli, Christian Vitale, Vito Stebel, Kerstin Aaltonen, Veijo de Leeuw, Gerrit Rodriguez, Edith Herber, Andreas B. Radionov, Vladimir F. Zielinski, Tymon Petelski, Tomasz Sakerin, Sergey M. Kabanov, Dmitry M. Xue, Yong Mei, Linlu Istomina, Larysa Wagener, Richard McArthur, Bruce Sobolewski, Piotr S. Kivi, Rigel Courcoux, Yann Larouche, Pierre Broccardo, Stephen Piketh, Stuart J. |
author_facet |
Tomasi, Claudio Kokhanovsky, Alexander A. Lupi, Angelo Ritter, Christoph Smirnov, Alexander O'Neill, Norman T. Stone, Robert S. Holben, Brent N. Nyeki, Stephan Wehrli, Christoph Stohl, Andreas Mazzola, Mauro Lanconelli, Christian Vitale, Vito Stebel, Kerstin Aaltonen, Veijo de Leeuw, Gerrit Rodriguez, Edith Herber, Andreas B. Radionov, Vladimir F. Zielinski, Tymon Petelski, Tomasz Sakerin, Sergey M. Kabanov, Dmitry M. Xue, Yong Mei, Linlu Istomina, Larysa Wagener, Richard McArthur, Bruce Sobolewski, Piotr S. Kivi, Rigel Courcoux, Yann Larouche, Pierre Broccardo, Stephen Piketh, Stuart J. |
author_sort |
Tomasi, Claudio |
title |
Aerosol remote sensing in polar regions |
title_short |
Aerosol remote sensing in polar regions |
title_full |
Aerosol remote sensing in polar regions |
title_fullStr |
Aerosol remote sensing in polar regions |
title_full_unstemmed |
Aerosol remote sensing in polar regions |
title_sort |
aerosol remote sensing in polar regions |
publishDate |
2023 |
url |
http://www.osti.gov/servlets/purl/1167151 https://www.osti.gov/biblio/1167151 https://doi.org/10.1016/j.earscirev.2014.11.001 |
geographic |
Antarctic Antarctic Peninsula Arctic Arctic Ocean Austral Indian Ny-Ålesund Pacific The Antarctic |
geographic_facet |
Antarctic Antarctic Peninsula Arctic Arctic Ocean Austral Indian Ny-Ålesund Pacific The Antarctic |
genre |
Antarc* Antarctic Antarctic Peninsula Antarctica Arctic Arctic Ocean Ny Ålesund Ny-Ålesund |
genre_facet |
Antarc* Antarctic Antarctic Peninsula Antarctica Arctic Arctic Ocean Ny Ålesund Ny-Ålesund |
op_relation |
http://www.osti.gov/servlets/purl/1167151 https://www.osti.gov/biblio/1167151 https://doi.org/10.1016/j.earscirev.2014.11.001 doi:10.1016/j.earscirev.2014.11.001 |
op_doi |
https://doi.org/10.1016/j.earscirev.2014.11.001 |
container_title |
Earth-Science Reviews |
container_volume |
140 |
container_start_page |
108 |
op_container_end_page |
157 |
_version_ |
1772809754087784448 |