Brief communication: Improved simulation of the present-day Greenland firn layer (1960–2016)

By providing pore space for storage or refreezing of meltwater, the Greenland ice sheet firn layer strongly modulates runoff. Correctly representing the firn layer is therefore crucial for Greenland (surface) mass balance studies. Here, we present a simulation of the Greenland firn layer with the fi...

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Bibliographic Details
Published in:The Cryosphere
Main Authors: Ligtenberg, Stefan R. M., Kuipers Munneke, Peter, Noël, Brice P. Y., Broeke, Michiel R.
Format: Text
Language:English
Published: 2019
Subjects:
Greenland
Ice Sheet
Online Access:https://doi.org/10.5194/tc-12-1643-2018
https://tc.copernicus.org/articles/12/1643/2018/
Description
Summary:By providing pore space for storage or refreezing of meltwater, the Greenland ice sheet firn layer strongly modulates runoff. Correctly representing the firn layer is therefore crucial for Greenland (surface) mass balance studies. Here, we present a simulation of the Greenland firn layer with the firn model IMAU-FDM forced by the latest output of the regional climate model RACMO2, version 2.3p2. In the percolation zone, much improved agreement is found with firn density and temperature observations. A full simulation of Greenland firn at high temporal (10 days) and spatial (11 km) resolution is available for the period 1960–2016.

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