11 datasets found for "Population Estimates"
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Federal
Geoecology: County-Level Environmental Data for the United States, 1941-1981
National Aeronautics and Space Administration —
The Geoecology database is a compilation of environmental data for the period 1941 to 1981. The Geoecology database contains selected data on terrain and soils, water... -
Federal
Tidal Wetlands Soil Organic Carbon and Estuarine Characteristics, USA, 1972-2015
National Aeronautics and Space Administration —
This dataset provides a synthesis of soil organic carbon (SOC) estimates and a variety of other environmental information from tidal wetlands within estuaries in the... -
Federal
Export and Leaching of Carbon and Nitrogen from Mississippi River Basin, 1901-2099
National Aeronautics and Space Administration —
This dataset provides estimates for export and leaching of dissolved inorganic carbon (DIC), dissolved organic carbon (DIC), total organic carbon (TOC), particulate... -
Federal
Characteristics of African Savanna Biomes for Determining Woody Cover
National Aeronautics and Space Administration —
This data set includes the soil and vegetation characteristics, herbivore estimates, and precipitation measurement data for the 854 sites described and analyzed in... -
Federal
ISLSCP II Carbon Dioxide Emissions from Fossil Fuels, Cement, and Gas Flaring
National Aeronautics and Space Administration —
This data set contains decadal (1950, 1960, 1970, 1980, 1990 and 1995) estimates of gridded fossil-fuel emissions, expressed in 1,000 metric tons C per year per one... -
Federal
ABoVE: Lichen Forage Cover over Fortymile Caribou Range, Alaska and Yukon, 2000-2015
National Aeronautics and Space Administration —
This dataset provides modeled estimates of lichen ground cover at 30 m resolution across the Fortymile study area in interior eastern Alaska, U.S., and the Yukon... -
Federal
ABoVE: Wolf Denning Phenology and Reproductive Success, Alaska and Canada, 2000-2017
National Aeronautics and Space Administration —
This dataset provides annual gray wolf (Canis lupus) denning spatial information and timing, associated climatic and phenologic metrics, and reproductive success... -
Federal
Trends of Thermal, Wetness, and Vegetative Change in the Circumpolar Arctic
National Aeronautics and Space Administration —
This dataset provides estimates of trends in temperature, moisture, and vegetation changes over the circumpolar Arctic. Time series trends were measured by the Theil-... -
Federal
ABoVE: Dall Sheep Lamb Recruitment and Climate Data, Alaska and NW Canada, 2000-2015
National Aeronautics and Space Administration —
This dataset contains estimated annual average Dall sheep (Ovis dalli dalli) lamb-to-ewe ratios for each year from 2000-2015 across the full species range in Alaska...
11 datasets found for "Population Estimates"