4682 JOURNAL OF CLIMATE VOLUME 22 Current GCMs ’ Unrealistic Negative Feedback in the Arctic
The large spread of the response to anthropogenic forcing simulated by state-of-the-art climate models in the Arctic is investigated. A feedback analysis framework specific to the Arctic is developed to address this issue. The feedback analysis shows that a large part of the spread of Arctic climate...
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ftciteseerx:oai:CiteSeerX.psu:10.1.1.389.6626 2023-05-15T14:33:24+02:00 4682 JOURNAL OF CLIMATE VOLUME 22 Current GCMs ’ Unrealistic Negative Feedback in the Arctic Julien Boé Alex Hall Xin Qu The Pennsylvania State University CiteSeerX Archives 2008 application/pdf http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.389.6626 http://www.atmos.ucla.edu/csrl/publications/Hall/boe_et_al_published.pdf en eng http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.389.6626 http://www.atmos.ucla.edu/csrl/publications/Hall/boe_et_al_published.pdf Metadata may be used without restrictions as long as the oai identifier remains attached to it. http://www.atmos.ucla.edu/csrl/publications/Hall/boe_et_al_published.pdf text 2008 ftciteseerx 2016-09-18T00:42:35Z The large spread of the response to anthropogenic forcing simulated by state-of-the-art climate models in the Arctic is investigated. A feedback analysis framework specific to the Arctic is developed to address this issue. The feedback analysis shows that a large part of the spread of Arctic climate change is explained by the longwave feedback parameter. The large spread of the negative longwave feedback parameter is in turn mainly due to variations in temperature feedback. The vertical temperature structure of the atmosphere in the Arctic, characterized by a surface inversion during wintertime, exerts a strong control on the temperature feedback and consequently on simulated Arctic climate change. Most current climate models likely overestimate the climatological strength of the inversion, leading to excessive negative longwave feedback. The authors conclude that the models ’ near-equilibrium response to anthropogenic forcing is generally too small. 1. Text Arctic Climate change Unknown Arctic |
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ftciteseerx |
language |
English |
description |
The large spread of the response to anthropogenic forcing simulated by state-of-the-art climate models in the Arctic is investigated. A feedback analysis framework specific to the Arctic is developed to address this issue. The feedback analysis shows that a large part of the spread of Arctic climate change is explained by the longwave feedback parameter. The large spread of the negative longwave feedback parameter is in turn mainly due to variations in temperature feedback. The vertical temperature structure of the atmosphere in the Arctic, characterized by a surface inversion during wintertime, exerts a strong control on the temperature feedback and consequently on simulated Arctic climate change. Most current climate models likely overestimate the climatological strength of the inversion, leading to excessive negative longwave feedback. The authors conclude that the models ’ near-equilibrium response to anthropogenic forcing is generally too small. 1. |
author2 |
The Pennsylvania State University CiteSeerX Archives |
format |
Text |
author |
Julien Boé Alex Hall Xin Qu |
spellingShingle |
Julien Boé Alex Hall Xin Qu 4682 JOURNAL OF CLIMATE VOLUME 22 Current GCMs ’ Unrealistic Negative Feedback in the Arctic |
author_facet |
Julien Boé Alex Hall Xin Qu |
author_sort |
Julien Boé |
title |
4682 JOURNAL OF CLIMATE VOLUME 22 Current GCMs ’ Unrealistic Negative Feedback in the Arctic |
title_short |
4682 JOURNAL OF CLIMATE VOLUME 22 Current GCMs ’ Unrealistic Negative Feedback in the Arctic |
title_full |
4682 JOURNAL OF CLIMATE VOLUME 22 Current GCMs ’ Unrealistic Negative Feedback in the Arctic |
title_fullStr |
4682 JOURNAL OF CLIMATE VOLUME 22 Current GCMs ’ Unrealistic Negative Feedback in the Arctic |
title_full_unstemmed |
4682 JOURNAL OF CLIMATE VOLUME 22 Current GCMs ’ Unrealistic Negative Feedback in the Arctic |
title_sort |
4682 journal of climate volume 22 current gcms ’ unrealistic negative feedback in the arctic |
publishDate |
2008 |
url |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.389.6626 http://www.atmos.ucla.edu/csrl/publications/Hall/boe_et_al_published.pdf |
geographic |
Arctic |
geographic_facet |
Arctic |
genre |
Arctic Climate change |
genre_facet |
Arctic Climate change |
op_source |
http://www.atmos.ucla.edu/csrl/publications/Hall/boe_et_al_published.pdf |
op_relation |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.389.6626 http://www.atmos.ucla.edu/csrl/publications/Hall/boe_et_al_published.pdf |
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1766306651315372032 |