An ice island twice the size of Manhattan has broken off from Greenland's Petermann Glacier, researchers have revealed.
The Petermann Glacier is one of the two largest glaciers left in Greenland connecting the great Greenland ice sheet with the ocean via a floating ice shelf.
Andreas Muenchow, associate professor of physical ocean science and engineering in UD's College of Earth, Ocean, and Environment, reports the calving on July 16, 2012, in his "Icy Seas" blog.
Muenchow credits Trudy Wohleben of the Canadian Ice Service for first noticing the fracture.
Researchers at the University of Delaware and the Canadian Ice Service have developed an instrument capable of studying the microstructure of complex fluids, polymers and surfactant solutions under time dependent shearing using neutron scattering.
The discovery was confirmed by reprocessing data taken by MODIS, the Moderate Resolution Imaging Spectroradiometer aboard NASA's Terra and Aqua satellites.
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