1998. This polygon shapefile contains ice observations in the Arctic region for December 1, 1998. This layer is part of the Arctic Climate System (ACSYS)... Arctic Climate System (ACSYS).
Search Results
1939, 1940, 1941, 1942, 1943, 1944, 1945, 1946, 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, and 2009. 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 Europe compiled from sources dating from 1939 to 2009. Heat flow is a measure of heat loss across ... International Heat Flow Commission.
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, and 2001. National Atlas of the United States, Environmental Systems Research Institute (Redlands, Calif.), and Geological Survey (U.S.). This line shapefile represents the federally owned land features (for example, national parkways and wild and scenic rivers) of the United States. ... Environmental Systems Research Institute (Redlands, Calif.).
1998. This polygon shapefile contains ice observations in the Arctic region for December 2, 1998. 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 November 27, 1998. This layer is part of the Arctic Climate System (ACSYS... Arctic Climate System (ACSYS).
1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, and 2008. Environmental Systems Research Institute (Redlands, Calif.) and United States. Bureau of Transportation Statistics. This line shapefile represents rural and urban interstate highways. U.S. National Transportation Atlas Interstate Highways is part of the National ... Environmental Systems Research Institute (Redlands, Calif.).
1998. This polygon shapefile contains ice observations in the Arctic region for December 3, 1998. 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 July 15, 1998. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).
1998. Arctic Climate System (ACSYS). This polygon shapefile contains ice observations in the Arctic region for July 16, 1998. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).
1998. This polygon shapefile contains ice observations in the Arctic region for July 17, 1998. This layer is part of the Arctic Climate System (ACSYS) Hi... Arctic Climate System (ACSYS).