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

peer reviewed 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 lay...

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Bibliographic Details
Published in:The Cryosphere
Main Authors: Ligtenberg, Stefan R.M., Munneke, Peter Kuipers, Noël, Brice, Van Den Broeke, Michiel R.
Format: Article in Journal/Newspaper
Language:English
Published: Copernicus GmbH 2018
Subjects:
Physical
chemical
mathematical & earth Sciences
Earth sciences & physical geography
Physique
chimie
mathématiques & sciences de la terre
Sciences de la terre & géographie physique
Greenland
Ice Sheet
The Cryosphere
Online Access:https://orbi.uliege.be/handle/2268/301912
https://orbi.uliege.be/bitstream/2268/301912/1/Ligtenberg_TC_2018.pdf
https://doi.org/10.5194/tc-12-1643-2018
Description
Summary:peer reviewed 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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