Sensitivity of Northern Hemispheric continental ice sheets to tropical SST during deglaciation

Details Sensitivity of Northern Hemispheric continental ice sheets to tropical SST during deglaciation Sensitivity of Northern Hemispheric continental ice sheets to tropical SST during deglaciation

Jan 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004georl..3102206r&link_type=abstract

Geophysical Research Letters, Volume 31, Issue 2, CiteID L02206

Physics

1

Global Change: Water Cycles (1836), Oceanography: General: Paleoceanography, Oceanography: General: Numerical Modeling

Scientific paper

A thermomechanical ice sheet model (ISM) is used to investigate the sensitivity of the Laurentide and Fennoscandian ice sheets to tropical sea surface temperature (SST) perturbations during deglaciation. The ISM is driven by surface temperature and precipitation fields from three different atmospheric general circulation models (AGCMs). For each AGCM, the responses in temperature and precipitation over the ice sheets nearly compensate, such that ice sheet mass balance is not strongly sensitive to tropical SST boundary conditions. It was also found that there is significant variation in the response of the ISM to the different AGCM output fields.

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