Much of the data is 1x1 degree but some are of a coarser resolution. It includes land cover and land use information, average monthly temperatures, country codes, average solar surface irradiance, grid cell areas, among other datasets. Documentation files and Fortran programs for reading this data are also available. Carbon Dioxide Information Analysis Center Oak Ridge National Laboratory A variety of datasets related to greenhouse gases and global warming are available at this site. Documentation is available with the data.
Documentation is available with the data.
Unfortunately some of the data in the latter directory is not well documented. Some of the smaller datasets are also available although most require purchasing. There are also some descriptions available of the projects that they are working on such as snow cover mapping. This site contains a variety of technical information about the global positioning system. Various data files describing the latest status information of the GPS satellites can be downloaded.