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RETAIN - Understanding and predicting non-linear change in the permeability of Greenland firn

General

Project start
01.01.2015
Project end
31.12.2017
Type of project
Research
Project theme
Data/models
Project topic
Climate research
Snow

Fieldwork / Study

Fieldwork country
Greenland (DK)
Fieldwork region
Greenland Ice Sheet
Fieldwork location

Geolocation is 76.361227145064, -41.66015625

Fieldwork start
01.01.2015
Fieldwork end
31.12.2017

Project details

24.09.2018
Science / project plan

Project aims: This project will 1) develop a percolation/retention scheme based on inverse modeling of shallow ice core data; 2) evaluate non-linearities in ice sheet melt water runoff; and 3) assess feedback mechanisms between atmosphere and surface properties (i.e. albedo) using a regional climate model applied to the past and future. We will thus achieve a more complete understanding of the ice sheet's past, present, and future climate response and its global sea level impact.

DMI's role: Implement a new percolation/retention scheme into the regional climate model HIRHAM5 and asses feedback mechanisms between atmosphere and surface properties.

Funding: Det Frie Forskningsråd | Natur og Univers

Period: Jan 1 2015 – Dec 31 2017

Collaborators: GEUS, DTU-ARTEK

Participants from DMI: Jens Hesselbjerg Christensen, Peter Langen and Ruth Mottram.

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