Response of the Intertropical Convergence Zone to Antarctic Ice Sheet Melt
Past cooling events in the Northern Hemisphere have been shown to impact the location of the intertropical convergence zone (ITCZ) and therewith induce a southward shift of tropical precipitation. Here we use high resolution coupled ocean-atmosphere simulations to show that reasonable past melt rate...
Published in: | Geophysical Research Letters |
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Format: | Article in Journal/Newspaper |
Language: | English |
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2018
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Online Access: | https://research.vu.nl/en/publications/c9e5d9f7-b0c7-42dd-8084-5033034941a5 https://doi.org/10.1029/2018GL078659 https://hdl.handle.net/1871.1/c9e5d9f7-b0c7-42dd-8084-5033034941a5 https://research.vu.nl/ws/files/242229392/Response_of_the_Intertropical_Convergence_Zone_to_Antarctic_Ice_Sheet_Melt.pdf http://www.scopus.com/inward/record.url?scp=85053247238&partnerID=8YFLogxK http://www.scopus.com/inward/citedby.url?scp=85053247238&partnerID=8YFLogxK |
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ftvuamstcris:oai:research.vu.nl:publications/c9e5d9f7-b0c7-42dd-8084-5033034941a5 2024-06-23T07:46:22+00:00 Response of the Intertropical Convergence Zone to Antarctic Ice Sheet Melt Bakker, Pepijn Prange, Matthias 2018-08-28 application/pdf https://research.vu.nl/en/publications/c9e5d9f7-b0c7-42dd-8084-5033034941a5 https://doi.org/10.1029/2018GL078659 https://hdl.handle.net/1871.1/c9e5d9f7-b0c7-42dd-8084-5033034941a5 https://research.vu.nl/ws/files/242229392/Response_of_the_Intertropical_Convergence_Zone_to_Antarctic_Ice_Sheet_Melt.pdf http://www.scopus.com/inward/record.url?scp=85053247238&partnerID=8YFLogxK http://www.scopus.com/inward/citedby.url?scp=85053247238&partnerID=8YFLogxK eng eng https://research.vu.nl/en/publications/c9e5d9f7-b0c7-42dd-8084-5033034941a5 info:eu-repo/semantics/openAccess Bakker , P & Prange , M 2018 , ' Response of the Intertropical Convergence Zone to Antarctic Ice Sheet Melt ' , Geophysical Research Letters , vol. 45 , no. 16 , pp. 8673–8680 . https://doi.org/10.1029/2018GL078659 Antarctic ice sheet ITCZ Southern Ocean teleconnections /dk/atira/pure/sustainabledevelopmentgoals/climate_action name=SDG 13 - Climate Action /dk/atira/pure/sustainabledevelopmentgoals/life_below_water name=SDG 14 - Life Below Water article 2018 ftvuamstcris https://doi.org/10.1029/2018GL078659 2024-05-30T00:15:08Z Past cooling events in the Northern Hemisphere have been shown to impact the location of the intertropical convergence zone (ITCZ) and therewith induce a southward shift of tropical precipitation. Here we use high resolution coupled ocean-atmosphere simulations to show that reasonable past melt rates of the Antarctic Ice Sheet can similarly have led to shifts of the ITCZ, albeit in opposite direction, through large-scale surface air temperature changes over the Southern Ocean. Through sensitivity experiments employing slightly negative to large positive meltwater fluxes, we deduce that meridional shifts of the Hadley cell and therewith the ITCZ are, to a first order, a linear response to Southern Hemisphere high-latitude surface air temperature changes and Antarctic Ice Sheet melt rates. This highlights the possibility to use past episodes of anomalous melt rates to better constrain a possible future response of low latitude precipitation to continued global warming and a shrinking Antarctic Ice Sheet. Article in Journal/Newspaper Antarc* Antarctic Ice Sheet Southern Ocean Vrije Universiteit Amsterdam (VU): Research Portal Antarctic Southern Ocean The Antarctic Geophysical Research Letters 45 16 8673 8680 |
institution |
Open Polar |
collection |
Vrije Universiteit Amsterdam (VU): Research Portal |
op_collection_id |
ftvuamstcris |
language |
English |
topic |
Antarctic ice sheet ITCZ Southern Ocean teleconnections /dk/atira/pure/sustainabledevelopmentgoals/climate_action name=SDG 13 - Climate Action /dk/atira/pure/sustainabledevelopmentgoals/life_below_water name=SDG 14 - Life Below Water |
spellingShingle |
Antarctic ice sheet ITCZ Southern Ocean teleconnections /dk/atira/pure/sustainabledevelopmentgoals/climate_action name=SDG 13 - Climate Action /dk/atira/pure/sustainabledevelopmentgoals/life_below_water name=SDG 14 - Life Below Water Bakker, Pepijn Prange, Matthias Response of the Intertropical Convergence Zone to Antarctic Ice Sheet Melt |
topic_facet |
Antarctic ice sheet ITCZ Southern Ocean teleconnections /dk/atira/pure/sustainabledevelopmentgoals/climate_action name=SDG 13 - Climate Action /dk/atira/pure/sustainabledevelopmentgoals/life_below_water name=SDG 14 - Life Below Water |
description |
Past cooling events in the Northern Hemisphere have been shown to impact the location of the intertropical convergence zone (ITCZ) and therewith induce a southward shift of tropical precipitation. Here we use high resolution coupled ocean-atmosphere simulations to show that reasonable past melt rates of the Antarctic Ice Sheet can similarly have led to shifts of the ITCZ, albeit in opposite direction, through large-scale surface air temperature changes over the Southern Ocean. Through sensitivity experiments employing slightly negative to large positive meltwater fluxes, we deduce that meridional shifts of the Hadley cell and therewith the ITCZ are, to a first order, a linear response to Southern Hemisphere high-latitude surface air temperature changes and Antarctic Ice Sheet melt rates. This highlights the possibility to use past episodes of anomalous melt rates to better constrain a possible future response of low latitude precipitation to continued global warming and a shrinking Antarctic Ice Sheet. |
format |
Article in Journal/Newspaper |
author |
Bakker, Pepijn Prange, Matthias |
author_facet |
Bakker, Pepijn Prange, Matthias |
author_sort |
Bakker, Pepijn |
title |
Response of the Intertropical Convergence Zone to Antarctic Ice Sheet Melt |
title_short |
Response of the Intertropical Convergence Zone to Antarctic Ice Sheet Melt |
title_full |
Response of the Intertropical Convergence Zone to Antarctic Ice Sheet Melt |
title_fullStr |
Response of the Intertropical Convergence Zone to Antarctic Ice Sheet Melt |
title_full_unstemmed |
Response of the Intertropical Convergence Zone to Antarctic Ice Sheet Melt |
title_sort |
response of the intertropical convergence zone to antarctic ice sheet melt |
publishDate |
2018 |
url |
https://research.vu.nl/en/publications/c9e5d9f7-b0c7-42dd-8084-5033034941a5 https://doi.org/10.1029/2018GL078659 https://hdl.handle.net/1871.1/c9e5d9f7-b0c7-42dd-8084-5033034941a5 https://research.vu.nl/ws/files/242229392/Response_of_the_Intertropical_Convergence_Zone_to_Antarctic_Ice_Sheet_Melt.pdf http://www.scopus.com/inward/record.url?scp=85053247238&partnerID=8YFLogxK http://www.scopus.com/inward/citedby.url?scp=85053247238&partnerID=8YFLogxK |
geographic |
Antarctic Southern Ocean The Antarctic |
geographic_facet |
Antarctic Southern Ocean The Antarctic |
genre |
Antarc* Antarctic Ice Sheet Southern Ocean |
genre_facet |
Antarc* Antarctic Ice Sheet Southern Ocean |
op_source |
Bakker , P & Prange , M 2018 , ' Response of the Intertropical Convergence Zone to Antarctic Ice Sheet Melt ' , Geophysical Research Letters , vol. 45 , no. 16 , pp. 8673–8680 . https://doi.org/10.1029/2018GL078659 |
op_relation |
https://research.vu.nl/en/publications/c9e5d9f7-b0c7-42dd-8084-5033034941a5 |
op_rights |
info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.1029/2018GL078659 |
container_title |
Geophysical Research Letters |
container_volume |
45 |
container_issue |
16 |
container_start_page |
8673 |
op_container_end_page |
8680 |
_version_ |
1802645452108070912 |