Dec.
14, 2012 — Walrus use sea ice as a reproductive, migration and resting
habitat. However, as sea ice melts and recedes, this marine mammal increasingly
is threatened.
A
University of Delaware research team, led by Chandra Kambhamettu, professor of
computer and information sciences, has developed a novel camera system to map
the surface topography of Arctic sea ice. The effort is part of a collaborative
National Science Foundation project involving scientists at UD, the University
of Virginia and the University of Alaska, Fairbanks, to assess walrus habitat.
Scott
Sorensen, a doctoral student at UD, returned from a two-month expedition aboard
the German research vessel Polarstern in October. He installed three cameras
aboard Polarstern to continuously capture images of the sea ice during the
expedition. He and fellow doctoral student Rohith Kumar designed the camera
system in UD's Video/Imaging Modeling and Synthesis Laboratory (VIMS). The team
is now using the raw data to reconstruct polar ice floes in 3-D.
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