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When does the warmest water reach Greenland?

Research output: Contribution to conferenceOther

Abstract

The warmest water reaching the east and west coast of Greenland is found between 200 and 600 m, in the warm Atlantic Water Layer (WL). Temperature changes within the WL have been highlighted as a possible cause of accelerated melting of tidewater glaciers and therefore are an important consideration for understanding global sea level rise. However, a limited number of winter observations of the WL have prohibited determining its seasonal variability. To address this, temperature data from Argo profiling floats, a range of sources within the World Ocean Database, and unprecedented coverage from marine-mammal borne sensors have been analyzed for the period 2002–2011. A significant seasonal range in temperature (~1-2°C) is found in the warm layer, in contrast to most of the surrounding ocean. The phase of the seasonal cycle exhibits considerable spatial variability, with the warmest water found near the southwestern shelf break towards the end of the calendar year. High-resolution ocean model trajectory analysis suggests the timing of the arrival of the year’s warmest water is a function of advection time from the subduction site in the Irminger Basin.
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Original languageEnglish
Publication statusPublished - 2015
EventUK Sea Level Science Meeting - Liverpool Medical Institute, Liverpool, United Kingdom
Duration: 12 Mar 201513 Mar 2015

Conference

ConferenceUK Sea Level Science Meeting
CountryUnited Kingdom
City Liverpool
Period12/03/1513/03/15

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ID: 240546283