Late Quaternary vegetation-climate feedbacks
Feedbacks between vegetation and other components of the climate system are discussed with respect to their influence on climate dynamics during the late Quaternary, i.e., the last glacial-interglacial cycles. When weighting current understanding based on interpretation of palaeobotanic and palaeocl...
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ftdoajarticles:oai:doaj.org/article:ef8c0f7b0706442ebe3d0ed56dd71f0d 2023-05-15T18:18:17+02:00 Late Quaternary vegetation-climate feedbacks M. Claussen* 2009-06-01T00:00:00Z https://doaj.org/article/ef8c0f7b0706442ebe3d0ed56dd71f0d EN eng Copernicus Publications http://www.clim-past.net/5/203/2009/cp-5-203-2009.pdf https://doaj.org/toc/1814-9324 https://doaj.org/toc/1814-9332 1814-9324 1814-9332 https://doaj.org/article/ef8c0f7b0706442ebe3d0ed56dd71f0d Climate of the Past, Vol 5, Iss 2, Pp 203-216 (2009) Environmental pollution TD172-193.5 Environmental protection TD169-171.8 Environmental sciences GE1-350 article 2009 ftdoajarticles 2022-12-31T08:04:24Z Feedbacks between vegetation and other components of the climate system are discussed with respect to their influence on climate dynamics during the late Quaternary, i.e., the last glacial-interglacial cycles. When weighting current understanding based on interpretation of palaeobotanic and palaeoclimatic evidence by numerical climate system models, a number of arguments speak in favour of vegetation dynamics being an amplifier of orbital forcing. (a) The vegetation-snow albedo feedback in synergy with the sea-ice albedo feedback tends to amplify Northern Hemisphere and global mean temperature changes. (b) Variations in the extent of the largest desert on Earth, the Sahara, appear to be amplified by biogeophysical feedback. (c) Biogeochemical feedbacks in the climate system in relation to vegetation migration are supposed to be negative on time scales of glacial cycles. However, with respect to changes in global mean temperature, they are presumably weaker than the positive biogeophysical feedbacks. Article in Journal/Newspaper Sea ice Directory of Open Access Journals: DOAJ Articles |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
Environmental pollution TD172-193.5 Environmental protection TD169-171.8 Environmental sciences GE1-350 |
spellingShingle |
Environmental pollution TD172-193.5 Environmental protection TD169-171.8 Environmental sciences GE1-350 M. Claussen* Late Quaternary vegetation-climate feedbacks |
topic_facet |
Environmental pollution TD172-193.5 Environmental protection TD169-171.8 Environmental sciences GE1-350 |
description |
Feedbacks between vegetation and other components of the climate system are discussed with respect to their influence on climate dynamics during the late Quaternary, i.e., the last glacial-interglacial cycles. When weighting current understanding based on interpretation of palaeobotanic and palaeoclimatic evidence by numerical climate system models, a number of arguments speak in favour of vegetation dynamics being an amplifier of orbital forcing. (a) The vegetation-snow albedo feedback in synergy with the sea-ice albedo feedback tends to amplify Northern Hemisphere and global mean temperature changes. (b) Variations in the extent of the largest desert on Earth, the Sahara, appear to be amplified by biogeophysical feedback. (c) Biogeochemical feedbacks in the climate system in relation to vegetation migration are supposed to be negative on time scales of glacial cycles. However, with respect to changes in global mean temperature, they are presumably weaker than the positive biogeophysical feedbacks. |
format |
Article in Journal/Newspaper |
author |
M. Claussen* |
author_facet |
M. Claussen* |
author_sort |
M. Claussen* |
title |
Late Quaternary vegetation-climate feedbacks |
title_short |
Late Quaternary vegetation-climate feedbacks |
title_full |
Late Quaternary vegetation-climate feedbacks |
title_fullStr |
Late Quaternary vegetation-climate feedbacks |
title_full_unstemmed |
Late Quaternary vegetation-climate feedbacks |
title_sort |
late quaternary vegetation-climate feedbacks |
publisher |
Copernicus Publications |
publishDate |
2009 |
url |
https://doaj.org/article/ef8c0f7b0706442ebe3d0ed56dd71f0d |
genre |
Sea ice |
genre_facet |
Sea ice |
op_source |
Climate of the Past, Vol 5, Iss 2, Pp 203-216 (2009) |
op_relation |
http://www.clim-past.net/5/203/2009/cp-5-203-2009.pdf https://doaj.org/toc/1814-9324 https://doaj.org/toc/1814-9332 1814-9324 1814-9332 https://doaj.org/article/ef8c0f7b0706442ebe3d0ed56dd71f0d |
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1766194805318090752 |