2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shapefile depicts the edges of year-round ice shelves fringing Antarctica. Data was generalized from 10m Antarctic ice shelves derived... North American Cartographic Information Society.
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2002. This polygon shapefile contains ice observations in the Arctic region for June 7, 2002. This layer is part of the Arctic Climate System (ACSYS) His... Arctic Climate System (ACSYS).
1997. This polygon shapefile contains ice observations in the Arctic region for September 1, 1997. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).
1997. This polygon shapefile contains ice observations in the Arctic region for September 2, 1997. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).
1997. This polygon shapefile contains ice observations in the Arctic region for September 3, 1997. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).
1997. This polygon shapefile contains ice observations in the Arctic region for September 4, 1997. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).
1997. This polygon shapefile contains ice observations in the Arctic region for September 5, 1997. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).
2000. This polygon shapefile contains ice observations in the Arctic region for October 16, 2000. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).
2000. This polygon shapefile contains ice observations in the Arctic region for October 17, 2000. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).
2000. This polygon shapefile contains ice observations in the Arctic region for September 11, 2000. This layer is part of the Arctic Climate System (ACSY... Arctic Climate System (ACSYS).