FedData

Download geospatial data available from several federated data sources (mainly sources maintained by the US Federal government). Currently, the package enables extraction from nine datasets: The National Elevation Dataset digital elevation models (https://www.usgs.gov/3d-elevation-program 1 and 1/3 arc-second; USGS); The National Hydrography Dataset (https://www.usgs.gov/national-hydrography/national-hydrography-dataset; USGS); The Soil Survey Geographic (SSURGO) database from the National Cooperative Soil Survey (https://websoilsurvey.sc.egov.usda.gov/; NCSS), which is led by the Natural Resources Conservation Service (NRCS) under the USDA; the Global Historical Climatology Network (https://www.ncei.noaa.gov/products/land-based-station/global-historical-climatology-network-daily; GHCN), coordinated by National Climatic Data Center at NOAA; the Daymet gridded estimates of daily weather parameters for North America, version 4, available from the Oak Ridge National Laboratory's Distributed Active Archive Center (https://daymet.ornl.gov/; DAAC); the International Tree Ring Data Bank; the National Land Cover Database (https://www.mrlc.gov/; NLCD); the Cropland Data Layer from the National Agricultural Statistics Service (https://www.nass.usda.gov/Research_and_Science/Cropland/SARS1a.php; NASS); and the PAD-US dataset of protected area boundaries (https://www.usgs.gov/programs/gap-analysis-project/science/pad-us-data-overview; USGS).

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