We will be meeting in room 090/070 in OSU's 18th Avenue Library.
Date: 03/05/14 - 6:30pm
Topic: Are the ice sheets collapsing?
Recent observations reveal that the dynamics of large glaciers and ice sheets can change substantially on much faster timescales than previously believed. We will review the rapid, ongoing changes in the dynamics of the great ice masses, and particularly the Greenland Ice Sheet, and assess the possible mechanisms and climate forcing driving those changes. We will examine how small-scale instabilities at ice-ocean boundary and subglacial hydrology can be amplified into large changes in flow-speed and ice thickness on short time-scales. We will also examine the recent climate changes that may have triggered ice sheet's response and assess the potential for continued ice sheet collapse.
About our speaker:
Ian Howat, OSU School of Earth Sciences & Byrd Polar Research Center
Ian Howat is a glaciologist focused on the dynamics of glaciers and ice sheets, and particularly their rapid response to climate forcing and potential contribution to sea-level rise. Howat has been a participant and leader on numerous science expeditions to Antarctica, Iceland and Greenland. He received the Cryosphere Young Investigator Award from the American Geophysical Union in 2007 and the Presidential Early Career Award for Scientists and Engineers (PECASE) from the White House in 2011.
Visitor parking available at the Tuttle Place Park Garage.
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