1997. This polygon shapefile contains ice observations in the Arctic region for October 9, 1997. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).
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1997. This polygon shapefile contains ice observations in the Arctic region for September 29, 1997. This layer is part of the Arctic Climate System (ACSY... Arctic Climate System (ACSYS).
1997. This polygon shapefile contains ice observations in the Arctic region for September 18, 1997. This layer is part of the Arctic Climate System (ACSY... Arctic Climate System (ACSYS).
1997. This polygon shapefile contains ice observations in the Arctic region for September 19, 1997. This layer is part of the Arctic Climate System (ACSY... Arctic Climate System (ACSYS).
1997. This polygon shapefile contains ice observations in the Arctic region for September 22, 1997. This layer is part of the Arctic Climate System (ACSY... Arctic Climate System (ACSYS).
2002. This polygon shapefile contains ice observations in the Arctic region for October 14, 2002. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).
1999. This polygon shapefile contains ice observations in the Arctic region for May 4, 1999. This layer is part of the Arctic Climate System (ACSYS) Hist... Arctic Climate System (ACSYS).
1999. This polygon shapefile contains ice observations in the Arctic region for May 5, 1999. This layer is part of the Arctic Climate System (ACSYS) Hist... Arctic Climate System (ACSYS).
1947, 1948, 1949, 1950, 1951, 1952, 1953, 1954, 1955, 1956, 1957, 1958, 1959, 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 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 North America compiled from sources dating from 1947 to 2010. Heat flow is a measure of heat loss ... International Heat Flow Commission.
2002. This polygon shapefile contains ice observations in the Arctic region for October 3, 2002. This layer is part of the Arctic Climate System (ACSYS) ... Arctic Climate System (ACSYS).