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You are browsing the archive for Greenland ice sheet Archives - AGU Blogosphere.

9 April 2020

Greenland Ice Sheet meltwater can flow in winter, too

New findings published in Geophysical Research Letters underscore need for year-round investigations of Arctic hydrology.

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25 May 2017

Scientists discover new mode of ice loss in Greenland

A new study finds that during Greenland’s hottest summers on record, 2010 and 2012, the ice in Rink Glacier on the island’s west coast didn’t just melt faster than usual, it slid through the glacier’s interior in a gigantic wave, like a warmed freezer pop sliding out of its plastic casing. The wave persisted for four months, with ice from upstream continuing to move down to replace the missing mass for at least four more months.

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8 February 2017

Greenland Ice Sheet melting can cool subtropics and alter climate

A new study finds evidence that the last time Earth was as warm as it is today, cold freshwater from a melting Greenland Ice Sheet circulated in the Atlantic Ocean as far south as Bermuda, elevating sea levels and altering the ocean’s climate and ecosystems.

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3 August 2016

Researchers make first map of thawed areas under Greenland Ice Sheet

NASA researchers have helped produce the first map showing what parts of the bottom of the massive Greenland Ice Sheet are thawed – key information in better predicting how the ice sheet will react to a warming climate. Knowing whether Greenland’s ice lies on wet, slippery ground or is anchored to dry, frozen bedrock is essential for predicting how this ice will flow in the future, but scientists have very few direct observations of the thermal conditions beneath the ice sheet.

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21 July 2016

The Gravity in Greenland is Dropping, No Really.

Check out this NASA movie showing the changes in sea level since 2002. Blue areas show rising oceans, and yellow/red show dropping sea levels. Watch the movie, and pay attention to the area near Greenland. So WHY is the sea level dropping around Greenland?? NASA has the answer. The Greenland ice sheet is melting, and therefore there is less mass. Less mass, means less gravity pulling the ocean water toward …

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26 February 2013

Greenland Ice Sheet Index

This is an index of specific Greenland glaciers that have blog posts illustrating their recent response to climate change.  In the 1980’s when I first worked on Jakobshavn Isbrae, Greenland their was not much research occurring on the glaciers.  Today in response to the dynamic changes discussed below and glacier by glacier in the index links, Greenland is now the focus of numerous extensive, ongoing and important research projects.  At …

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