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Date Taken:

March 11, 2008

Photograph By:

Chris Kannen, NSF

Long Term Ecological Research field team members Rob VanTreese and Karen Cozzetto record light level readings beneath the ice of Lake Bonney in the Taylor Valley. One person dangles the light-reading instrument at different depths, while a second person records the instrument's reading. The tarp prevents sunlight from affecting the reading. Rob and Karen are members of John Priscu's research team, focusing on the changes that occur in microplankton during the transition to polar night.

Associated Keywords

Apparel, Biologists, Biology, Camp, Clothes, Dry Valleys, Field Camp, Field Work, Freezing, Ice, Lake, LTER, Night, NSF, Plankton, Taylor Valley, Winter

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