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Greenland climate change projections and their effect on ice-sheet mass balance

PI: Edward Hanna
Institution: University of Sheffield
It is proposed to examine Greenland surface air temperature and precipitation in the full range of climate model runs, with the main objective of reducing uncertainties and improving predictions of future Greenland Ice Sheet mass balance and response of the ice sheet to climatic change until 2300 and resulting effects on global sea-level. Modelled surface air temperature and precipitation will be used as input to snow accumulation and meltwater runoff models of the ice sheet surface mass balance. It is also intended to analyse mean sea-level and 700 hPa pressure to assess the range of changing synoptic conditions (forcing Greenland climate, hence ice mass balance) represented in the various model runs. This work is proposed to be carried out by Edward Hanna of the University of Sheffield, UK, and links in with an existing project we have assessing the current state and variability of mass balance of the ice sheet for the past half century.

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    Lawrence Livermore National Laboratory  |  Physical & Life Sciences Directorate