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Impact of Northern Hemisphere snow on the Arctic Ocean in a climate model

Clifford, D. and Day, J. (2013) Impact of Northern Hemisphere snow on the Arctic Ocean in a climate model. In: Proceedings of Earth Observation and Cryosphere Science : 13-16 November 2012, Frascati, Italy. European Space Agency. ISBN 9789292212766

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Abstract/Summary

A present day control integration performed with the Hadley Centre's coupled climate model HadGEM1.2 experiences a large salinity bias in the Arctic Ocean when compared to in situ observations. Such a large salinity bias may have implications for both Arctic and Atlantic Ocean circulation. Large differences are seen between the runoff in HadGEM and the observations from the Global Runoff Data Centre, in particular in the Lena catchment, which could account for this salinity bias. We suggest that this discrepancy in runoff is, at least in part, due to a lack of snow accumulation in the model. The model climatology is very different to those obtained by remote sensing, such as the Global Snow Water Equivalent Climatology (NSIDC) and GlobSnow (ESA).

Item Type:Book or Report Section
Refereed:No
Divisions:Faculty of Science > School of Mathematical, Physical and Computational Sciences > National Centre for Earth Observation (NCEO)
Faculty of Science > School of Mathematical, Physical and Computational Sciences > NCAS
Faculty of Science > School of Mathematical, Physical and Computational Sciences > Department of Meteorology
ID Code:46482
Publisher:European Space Agency

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