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Start Over Resource Type Polygon data Subject Sea ice
2001. This polygon shapefile contains ice observations in the Arctic region for December 27, 2001. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).
2002. This polygon shapefile contains ice observations in the Arctic region for December 27, 2002. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).
1972. This polygon shapefile contains ice observations in the Arctic region for December 28, 1972. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).
1973. This polygon shapefile contains ice observations in the Arctic region for December 28, 1973. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).
1974. This polygon shapefile contains ice observations in the Arctic region for December 28, 1974. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).
1976. This polygon shapefile contains ice observations in the Arctic region for December 28, 1976. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).
1977. This polygon shapefile contains ice observations in the Arctic region for December 28, 1977. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).
1987. This polygon shapefile contains ice observations in the Arctic region for December 28, 1987. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).
1992. This polygon shapefile contains ice observations in the Arctic region for December 28, 1992. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).
1998. This polygon shapefile contains ice observations in the Arctic region for December 28, 1998. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).