1999. This polygon shapefile contains ice observations in the Arctic region for October 13, 1999. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).
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1999. This polygon shapefile contains ice observations in the Arctic region for October 14, 1999. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).
1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, and 2008. International Heat Flow Commission, International Association of Seismology and Physics of the Earth's Interior, and Oklahoma State University. Department of Geography. Cartography Service. This point shapefile contains heat flow data for China compiled from sources dating from 1981 to 2008. Heat flow is a measure of heat loss across t... International Heat Flow Commission.
1970. This polygon shapefile contains ice observations in the Arctic region for September 17, 1970. This layer is part of the Arctic Climate System (ACSY... Arctic Climate System (ACSYS).
1987. This polygon shapefile contains ice observations in the Arctic region for September 28, 1987. This layer is part of the Arctic Climate System (ACSY... Arctic Climate System (ACSYS).
1989. This polygon shapefile contains ice observations in the Arctic region for September 25, 1989. This layer is part of the Arctic Climate System (ACSY... Arctic Climate System (ACSYS).
1966. This line shapefile contains ice observations in the Arctic region for August 12, 1966. This layer is part of the Arctic Climate System (ACSYS) His... Arctic Climate System (ACSYS).
1989. This polygon shapefile contains ice observations in the Arctic region for August 28, 1989. 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 February 26, 1990. 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 October 3, 1974. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).