1983. NASA Langley Atmospheric Sciences Data Center. This polygon shapefile represents the 22 year average monthly and annual measurements (kWh/m^2/day) of global horizontal irradiance (GHI) for the e... NASA Langley Atmospheric Sciences Data Center.
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1983. NASA Langley Atmospheric Sciences Data Center. This polygon shapefile contains monthly and annual averages of solar Latitude Tilt Irradiance data (kWh/m^2/day) compiled by NASA and SSE. These da... NASA Langley Atmospheric Sciences Data Center.
1983. NASA Langley Atmospheric Sciences Data Center. This polygon shapefile contains data for wind speed at 50 m above the surface of the Earth (m/s) These data are 10-year monthly and annual averages... NASA Langley Atmospheric Sciences Data Center.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shapefile depicts internal, first-order administrative boundaries and polygons for all but a few tiny countries. Includes name attribu... North American Cartographic Information Society.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shapefile depicts internal, first-order administrative boundaries and polygons for all but a few tiny countries. Includes name attribu... North American Cartographic Information Society.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shapefile depicts internal, first-order administrative boundaries and polygons for minor islands less than 2 sq. km. or less in size. ... North American Cartographic Information Society.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shapefile depicts internal, first-order administrative boundaries and polygons wihtout boundary lakes for all but a few tiny countries... North American Cartographic Information Society.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shapefile depicts internal, first-order administrative boundaries and polygons wihtout boundary lakes for all but a few tiny countries... North American Cartographic Information Society.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shapefile depicts internal, first-order administrative boundaries and polygons for countries except for a few tiny countries. Use the ... North American Cartographic Information Society.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shapefile depicts all countries having 10m admin-1 with scale ranks 1 or less. States depicted include internal, first-order administr... North American Cartographic Information Society.