Greenland Sea Odden: intra- and interannual variability

Catherine A. Russell; Kenneth W. Fischer; Robert A. Shuchman; Edward G. Josberger

doi:10.1117/12.264274

17 January 1997 Greenland Sea Odden: intra- and interannual variability

Catherine A. Russell, Kenneth W. Fischer, Robert A. Shuchman, Edward G. Josberger

Proceedings Volume 2959, Remote Sensing of Vegetation and Sea; (1997) https://doi.org/10.1117/12.264274
Event: Satellite Remote Sensing III, 1996, Taormina, Italy

Abstract

The 'Odden' is a large sea ice feature that forms in the East Greenland Sea which generally forms at the beginning of the winter season and can cover 300,000 km². Throughout the winter, the outer edge of the Odden may advance and retreat by several hundred kilometers on time scales of a few days to weeks. Satellite passive microwave observations from 1978 through 1995 provide a continuous record of the spatial and temporal variations of this extremely dynamic phenomenon. The 17 year record shows both strong inter- and intra-annual variations in Odden extent and temporal behavior. An analysis of the satellite passive microwave derived ice area and extent time series along with meteorological data from the Arctic Drifting Buoy Network determined the meteorological forcing required for Odden growth, maintenance and decay. The key meteorological parameters which cause the rapid ice formation and decay associated with the Odden are, in order of importance, air temperature, wind speed, and wind direction. Atmospheric pressure was found not to play a significant role in the Odden events. Air temperature and wind direction are the dominant variables with temperatures below -9.5 degrees C and winds from the west required to trigger significant Odden ice formation events.

Citation Download Citation

Catherine A. Russell, Kenneth W. Fischer, Robert A. Shuchman, and Edward G. Josberger "Greenland Sea Odden: intra- and interannual variability", Proc. SPIE 2959, Remote Sensing of Vegetation and Sea, (17 January 1997); https://doi.org/10.1117/12.264274

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