Assertion: glacier's balance | /r/CapableOf | use product
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text: The launch in 2013 of the website polarportal.dk (polarportal.org in English, a joint production of DMI, GEUS and DTU-Space) now allows anyone to check the current “health” of the Greenland ice sheet, including glacier front positions for selected outlet glaciers based on satellite image and an estimate based of total mass balance using a product developed from GRACE satellite gravity measurements.