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Comparison of N. Atlantic heat storage estimates during the Argo period (1999–2010)

Comparison of N. Atlantic heat storage estimates during the Argo period (1999–2010)
Comparison of N. Atlantic heat storage estimates during the Argo period (1999–2010)
Ocean heat storage is an essential component of the climate system and there is considerable interest in its accurate evaluation. There are a number of heat storage products produced by many different groups. These products are derived from Argo as well as other platforms, for example XBT and CTD, in the last decade. Here we compare two heat storage estimates for the North Atlantic 0–2000 m from 10° to 70° N. One derived solely from Argo data whilst the other is derived from Argo and other platforms. It is found that there is a positive trend in heat storage over the period 1999–2010. This trend is influenced by a strong air–sea interaction event in 2009–2010, and this reduces the upward trend 1999–2008 identified previously. Both data sets are consistent with each other for the layer 0–1000 m on a timescale of beyond 1 yr. There are significant differences at sub-annual time scales and in the layer 1000–2000 m.
1812-0822
2363-2398
Wells, N.C.
4c27167c-f972-4822-9614-d6ca8d8223b5
Couldrey, M.
d31f984e-e696-4d7d-babb-6a17925b0391
Ivchenko, V.O.
beb6b3f0-541e-4327-866d-17944023bd8c
Wells, N.C.
4c27167c-f972-4822-9614-d6ca8d8223b5
Couldrey, M.
d31f984e-e696-4d7d-babb-6a17925b0391
Ivchenko, V.O.
beb6b3f0-541e-4327-866d-17944023bd8c

Wells, N.C., Couldrey, M. and Ivchenko, V.O. (2013) Comparison of N. Atlantic heat storage estimates during the Argo period (1999–2010). Ocean Science Discussions, 10 (6), 2363-2398. (doi:10.5194/osd-10-2363-2013).

Record type: Article

Abstract

Ocean heat storage is an essential component of the climate system and there is considerable interest in its accurate evaluation. There are a number of heat storage products produced by many different groups. These products are derived from Argo as well as other platforms, for example XBT and CTD, in the last decade. Here we compare two heat storage estimates for the North Atlantic 0–2000 m from 10° to 70° N. One derived solely from Argo data whilst the other is derived from Argo and other platforms. It is found that there is a positive trend in heat storage over the period 1999–2010. This trend is influenced by a strong air–sea interaction event in 2009–2010, and this reduces the upward trend 1999–2008 identified previously. Both data sets are consistent with each other for the layer 0–1000 m on a timescale of beyond 1 yr. There are significant differences at sub-annual time scales and in the layer 1000–2000 m.

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Published date: 6 December 2013
Organisations: Ocean and Earth Science

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Local EPrints ID: 366954
URI: http://eprints.soton.ac.uk/id/eprint/366954
ISSN: 1812-0822
PURE UUID: 435dfa6e-630e-4cc9-8a4b-83147035c1f4

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Date deposited: 15 Jul 2014 15:58
Last modified: 11 Dec 2021 04:38

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Contributors

Author: N.C. Wells
Author: M. Couldrey
Author: V.O. Ivchenko

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