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28 posts in In the News

UW Glaciologists uncover truths about hidden lakes on West Antarctica’s Thwaites Glacier

UW Glaciologists, Alexander Huth and Ian Joughin,and Noel Gourmele of the University of Edinburgh used data from the European Space Agency’s CryoSat-2 to study a sudden drainage of large pools below Thwaites Glacier. Thwaites Glacier is one of two fast-moving glaciers at the edge of the West Antarctic ice sheet. The recently published study in The Cryosphere shows four interconnected lakes that drained in eight months. The glacier sped up by about 10 percent during that time, showing that the glacier’s long-term movement is fairly oblivious to trickles at its underside.

Read more at The Cryosphere

Dargan Frierson and Judy Twedt create "The Sound of Earth's Fever"

With NASA releasing the 2016 global temperature data, Dargan Frierson and Judy Twedt made quick work of the high temperatures. Using the global temperature data from 1880-2016, they created a song about the Earth's global temperature. Lower notes mean lower temperature, and higher notes are higher temperature. They chose notes from a musical scale and added drums just for effect. Dargan and Judy state that they "pause in 1977, a critical year for climate" because "scientists were confident at this point that heat-trapping gases from fossil fuels were the main way humans were influencing the climate".

Listen on Soundcloud

Gerard Roe helps connect climate change to individual glacier retreats

Gerard Roe, of the Earth and Space Sciences department, recently published a paper on glacier retreat as evidence of regional climate change. Gerard says, "because of their decades-long response times, we found that glaciers are actually among the purest signals of climate change." This method uses a signal-to-noise ratio that relies on observational records for glacier length, local weather, and the basic size and shape of the glacier, but does not require detailed computer modeling. The technique could be used on any glacier that had enough observations.

Read more at UW News

PCC Graduate Twila Moon talks about mapping Greenland glaciers

Glaciers and ice sheets move in unique and hard to map patterns as observed by satellite images that help map the speed of flowing ice in Greenland, Antarctica and mountain ranges around the world. Twila Moon, a graduate of the PCC, talks about using this evidence to help map out glaciers in Greenland. With the new database, she can study the movements of more than 240 glaciers, which comprise nearly all of the outlets from the ice sheet.

Read more at The University of Bristol
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