1977, 1978, 1979, 1980, 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, 2008, 2009, and 2010. 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 Canada compiled from sources dating from 1977 to 2010. Heat flow is a measure of heat loss across ... International Heat Flow Commission.
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1994. This polygon shapefile contains ice observations in the Arctic region for November 14, 1994. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).
1994. This polygon shapefile contains ice observations in the Arctic region for June 6, 1994. This layer is part of the Arctic Climate System (ACSYS) His... Arctic Climate System (ACSYS).
1994. This polygon shapefile contains ice observations in the Arctic region for October 17, 1994. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).
1994. This polygon shapefile contains ice observations in the Arctic region for June 20, 1994. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).
1994. This polygon shapefile contains ice observations in the Arctic region for July 25, 1994. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).
1994. This polygon shapefile contains ice observations in the Arctic region for November 28, 1994. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).
1994. This polygon shapefile contains ice observations in the Arctic region for August 8, 1994. This layer is part of the Arctic Climate System (ACSYS) H... Arctic Climate System (ACSYS).
1994. This polygon shapefile contains ice observations in the Arctic region for August 14, 1994. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).
1994. This polygon shapefile contains ice observations in the Arctic region for October 24, 1994. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).