NDLI: Ocean change around Greenland under a warming climate

Content Provider	Springer Nature Link
Author	Lique, Camille Johnson, Helen L. Plancherel, Yves Flanders, Robert
Copyright Year	2014
Abstract	The impact of climate warming on the ocean near Greenland is investigated with a high resolution coupled global climate model. The ocean around Greenland exhibits a strong warming in response to a four times increase of present-day atmospheric $$CO_2$$ levels. The signal is intensified in the intermediate layer and regionally strongest in the Greenland Sea. The projected changes in temperature are driven by changes affecting the large-scale ocean circulation rather than changes of the local atmospheric heat forcing. The ocean conditions examined here provide a background for the water masses in contact with the outlet glaciers around the Greenland coast. The future warming of the warm subtropical-origin layer could thus lead to enhanced ice sheet melting, although the signal could be mitigated by other effects, including an enhanced stratification of the surface fresh layer. Applying a simple parameterization to estimate the change in melt rate along the Greenland coast, we find that ice sheet melting increases everywhere in response to the change in water mass properties, although the melt rate changes show large variations in space. The largest melting acceleration is found on the east coast between Fram Strait and Denmark Strait, where both the parameterization applied to present-day conditions and observations suggest moderate melting up to now. These model results caution that the Greenland Ice Sheet mass balance should be monitored everywhere and not only where melting occurs at the moment.
Starting Page	1235
Ending Page	1252
Page Count	18
File Format	PDF
ISSN	09307575
Journal	Climate Dynamics
Volume Number	45
Issue Number	5-6
e-ISSN	14320894
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2014-10-21
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Ocean–ice sheet interaction Greenland Ice Sheet North Atlantic Climate change Geophysics/Geodesy Climatology Oceanography
Content Type	Text
Resource Type	Article
Subject	Atmospheric Science

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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