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SUMMARY:Small to big\, quick to slow: The many scales of sea ice propertie
 s and processes - Donald K. Perovich (Dartmouth College)
DTSTART:20170911T084500Z
DTEND:20170911T093000Z
UID:TALK78652@talks.cam.ac.uk
CONTACT:INI IT
DESCRIPTION:Sea ice properties and processes exhibit tremendous variabilit
 y over spatial scales from millimeters to megameters. Sea ice also evolves
  over temporal scales of hours to days to seasons to decades. To understan
 d sea ice properties\, it is critical to examine and connect the processes
  that occur on these different scales. For example\, sea ice microstructur
 e impacts the partitioning of sunlight. Melt ponds are governed by meter-s
 cale topography and millimeter-scale brine channels. There are similaritie
 s in the size distributions of brine pockets\, melt ponds\, and floes\; fe
 atures that span spatial scales of several orders of magnitude. The timing
  of short term events\, such as snowfall or lead openings\, has a large im
 pact on the seasonal evolution of the ice cover. Sea ice scale issues are 
 also important when considering the interactions of the atmosphere-sea ice
 -ocean-biogeochemical system.
LOCATION:Seminar Room 1\, Newton Institute
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