1997. This polygon shapefile contains ice observations in the Arctic region for April 28, 1997. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).
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1990. This polygon shapefile contains ice observations in the Arctic region for March 12, 1990. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).
2008. World Wildlife Fund (WWF). This drainage direction map for Europe defines the direction of flow from each cell in the conditioned digital elevation model to its steepest down... U.S. Geological Survey.
2008. World Wildlife Fund (WWF). This drainage direction map for Europe defines the direction of flow from each cell in the conditioned digital elevation model to its steepest down... U.S. Geological Survey.
2008. World Wildlife Fund (WWF). HydroSHEDS (Hydrological data and maps based on SHuttle Elevation Derivatives at multiple Scales)flow accumulation maps define amount of upstream a... U.S. Geological Survey.
2008. World Wildlife Fund (WWF). HydroSHEDS (Hydrological data and maps based on SHuttle Elevation Derivatives at multiple Scales)flow accumulation maps define amount of upstream a... U.S. Geological Survey.
1997. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for April 21, 1997. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).
1996. This polygon shapefile contains ice observations in the Arctic region for December 23, 1996. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).
1990. This polygon shapefile contains ice observations in the Arctic region for January 8, 1990. 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 15, 1998. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).