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Ocean Science An interactive open-access journal of the European Geosciences Union

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doi:10.5194/osd-10-2363-2013
© Author(s) 2013. This work is distributed
under the Creative Commons Attribution 3.0 License.
Research article
06 Dec 2013
Review status
This discussion paper has been under review for the journal Ocean Science (OS). The revised manuscript was not accepted.
Comparison of N. Atlantic heat storage estimates during the Argo period (1999–2010)
N. C. Wells1, M. Couldrey1, and V. O. Ivchenko2 1University of Southampton, National Oceanography Centre, Southampton, UK
2Alfred-Wegener Institute, Bremerhaven, Germany
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.

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

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