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    FederalU.S. National Ice Center Arctic Sea Ice Charts and Climatologies in Gridded Format, 1972 - 2007, Version 1National Aeronautics and Space Administration — Notice: Due to funding limitations, this data set was recently changed to a “Basic” Level of Service. Learn more about what this means for users and how you can share...
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    FederalISLSCP II Atmospheric Carbon Dioxide Consumption by Continental ErosionNational Aeronautics and Space Administration — The Continental Atmospheric CO2 Consumption data set represents gridded estimates for the riverine export of carbon and of sediments based on empirical models. All...
