Factors affecting projected Arctic surface shortwave heating and albedo change in coupled climate models
We use a large ensemble of simulations from the Community Earth System Model to quantify simulated changes in the twentieth and twenty-first century Arctic surface shortwave heating associated with changing incoming solar radiation and changing ice conditions. For increases in shortwave absorption a...
Published in: | Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences |
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Language: | English |
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Royal Society Publishing
2015
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Online Access: | http://nldr.library.ucar.edu/repository/collections/OSGC-000-000-021-888 https://doi.org/10.1098/rsta.2014.0162 |
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ftncar:oai:drupal-site.org:articles_16787 2023-09-05T13:11:22+02:00 Factors affecting projected Arctic surface shortwave heating and albedo change in coupled climate models Holland, Marika (author) Landrum, Laura (author) 2015-07-01 http://nldr.library.ucar.edu/repository/collections/OSGC-000-000-021-888 https://doi.org/10.1098/rsta.2014.0162 en eng Royal Society Publishing Philosophical Transactions of the Royal Society. Series A, Mathematical, Physical & Engineering Sciences http://nldr.library.ucar.edu/repository/collections/OSGC-000-000-021-888 doi:10.1098/rsta.2014.0162 ark:/85065/d7hx1dw3 Copyright 2015 Author(s). Published under license by The Royal Society. Text article 2015 ftncar https://doi.org/10.1098/rsta.2014.0162 2023-08-14T18:35:50Z We use a large ensemble of simulations from the Community Earth System Model to quantify simulated changes in the twentieth and twenty-first century Arctic surface shortwave heating associated with changing incoming solar radiation and changing ice conditions. For increases in shortwave absorption associated with albedo reductions, the relative influence of changing sea ice surface properties and changing sea ice areal coverage is assessed. Changes in the surface sea ice properties are associated with an earlier melt season onset, a longer snow-free season and enhanced surface ponding. Because many of these changes occur during peak solar insolation, they have a considerable influence on Arctic surface shortwave heating that is comparable to the influence of ice area loss in the early twenty-first century. As ice area loss continues through the twenty-first century, it overwhelms the influence of changes in the sea ice surface state, and is responsible for a majority of the net shortwave increases by the mid-twenty-first century. A comparison with the Arctic surface albedo and shortwave heating in CMIP5 models indicates a large spread in projected twenty-first century change. This is in part related to different ice loss rates among the models and different representations of the late twentieth century ice albedo and associated sea ice surface state. Article in Journal/Newspaper albedo Arctic Sea ice OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research) Arctic Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 373 2045 20140162 |
institution |
Open Polar |
collection |
OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research) |
op_collection_id |
ftncar |
language |
English |
description |
We use a large ensemble of simulations from the Community Earth System Model to quantify simulated changes in the twentieth and twenty-first century Arctic surface shortwave heating associated with changing incoming solar radiation and changing ice conditions. For increases in shortwave absorption associated with albedo reductions, the relative influence of changing sea ice surface properties and changing sea ice areal coverage is assessed. Changes in the surface sea ice properties are associated with an earlier melt season onset, a longer snow-free season and enhanced surface ponding. Because many of these changes occur during peak solar insolation, they have a considerable influence on Arctic surface shortwave heating that is comparable to the influence of ice area loss in the early twenty-first century. As ice area loss continues through the twenty-first century, it overwhelms the influence of changes in the sea ice surface state, and is responsible for a majority of the net shortwave increases by the mid-twenty-first century. A comparison with the Arctic surface albedo and shortwave heating in CMIP5 models indicates a large spread in projected twenty-first century change. This is in part related to different ice loss rates among the models and different representations of the late twentieth century ice albedo and associated sea ice surface state. |
author2 |
Holland, Marika (author) Landrum, Laura (author) |
format |
Article in Journal/Newspaper |
title |
Factors affecting projected Arctic surface shortwave heating and albedo change in coupled climate models |
spellingShingle |
Factors affecting projected Arctic surface shortwave heating and albedo change in coupled climate models |
title_short |
Factors affecting projected Arctic surface shortwave heating and albedo change in coupled climate models |
title_full |
Factors affecting projected Arctic surface shortwave heating and albedo change in coupled climate models |
title_fullStr |
Factors affecting projected Arctic surface shortwave heating and albedo change in coupled climate models |
title_full_unstemmed |
Factors affecting projected Arctic surface shortwave heating and albedo change in coupled climate models |
title_sort |
factors affecting projected arctic surface shortwave heating and albedo change in coupled climate models |
publisher |
Royal Society Publishing |
publishDate |
2015 |
url |
http://nldr.library.ucar.edu/repository/collections/OSGC-000-000-021-888 https://doi.org/10.1098/rsta.2014.0162 |
geographic |
Arctic |
geographic_facet |
Arctic |
genre |
albedo Arctic Sea ice |
genre_facet |
albedo Arctic Sea ice |
op_relation |
Philosophical Transactions of the Royal Society. Series A, Mathematical, Physical & Engineering Sciences http://nldr.library.ucar.edu/repository/collections/OSGC-000-000-021-888 doi:10.1098/rsta.2014.0162 ark:/85065/d7hx1dw3 |
op_rights |
Copyright 2015 Author(s). Published under license by The Royal Society. |
op_doi |
https://doi.org/10.1098/rsta.2014.0162 |
container_title |
Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences |
container_volume |
373 |
container_issue |
2045 |
container_start_page |
20140162 |
_version_ |
1776204703311331328 |