Before sailing to the Arctic, the research vessel Knorr had
undergone $240,000 in structural modifications at a shipyard in South
Carolina to accommodate the weight of instrument-filled steel
containers resembling small mobile homes, called vans. Instruments
inside the vans sampled Arctic air and water, which scientists were
studying to learn how pollutants may be contributing to warming in the
Arctic.
(Photo by Derek Coffman, NOAA/PMEL)[back]
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