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Federal
Changes in anthropogenic influences on streams and rivers in the conterminous U.S. over the last 40 years, derived for 16 data themes
Department of the Interior —
This product consists of time-series calculations of anthropogenic characteristics derived for 16 data themes for multiple scales covering the conterminous United... -
Federal
Digital data sets describing population density in the conterminous US
Department of the Interior —
Grid of population density in the conterminous United States at a resolution of one kilometer. The grid was converted from an ASCII file obtained from the Consortium... -
Federal
Predictions of PFAS Occurrence in Groundwater at the Depth of Drinking Water Supplies in the Conterminous United States: Data and Model Archive
Department of the Interior —
An extreme gradient boosting ensemble tree model predicting per- and polyfluoroalkyl substances (PFAS) occurrence in groundwater at the depths typical of the bottom... -
Federal
Kelp and sea urchin data obtained by SCUBA at shallow nearshore sites along the North Pacific Rim from Bering Island to Southeast Alaska obtained over multiple decades beginning in 1987
Department of the Interior —
Between 1987 and 2021, over 600 nearshore rocky bottom sites were sampled by scuba at 38 locations on the north Pacific Rim ranging from Bering Island, along the... -
Federal
2000 population density by block group for the conterminous United States
Department of the Interior —
This data set represents 2000 population density by block group as a 100-m grid using data from the 2000 Census of Population and Housing. The demographic data is... -
Federal
Attributes for NHDplus Catchments (Version 1.1) for the Conterminous United States: Population Density, 2000
Department of the Interior —
This data set represents the average population density, in number of people per square kilometer multiplied by 10 for the year 2000, compiled for every catchment of... -
Federal
Vulnerability of shallow ground water and drinking-water wells to nitrate in the United States: Model of predicted nitrate concentration in U.S. ground water used for drinking (simulation depth 50 meters) -- Input data set for sandstone and carbonate rocks (gwava-dw_sscb)
Department of the Interior —
This data set represents the presence or absence of sandstone and carbonate rock aquifers in the conterminous United States. The data set was used as an input data... -
Federal
Vulnerability of shallow ground water and drinking-water wells to nitrate in the United States: Model of predicted nitrate concentration in shallow, recently recharged ground water -- Input data set for basalt and volcanic rocks (gwava-s_vrox)
Department of the Interior —
This data set represents the presence or absence of basalt and volcanic rocks in the conterminous United States. The data set was used as an input data layer for a... -
Federal
Sea Otter Aerial Survey Data from Lower Cook Inlet and the Outer Kenai Peninsula, Alaska, 2002
Department of the Interior —
This dataset consists of three tables related to abundance and distribution of northern sea otters (Enhydra lutris kenyoni) in lower Cook Inlet and the outer Kenai... -
Federal
Vulnerability of shallow ground water and drinking-water wells to nitrate in the United States: Model of predicted nitrate concentration in shallow, recently recharged ground water -- Input data set for histosols (gwava-s_hist)
Department of the Interior —
This data set represents the amount of histosols soil taxonomic order, in percent, in the conterminous United States. The data set was used as an input data layer for... -
Federal
Vulnerability of shallow ground water and drinking-water wells to nitrate in the United States: Model of predicted nitrate concentration in U.S. ground water used for drinking (simulation depth 50 meters) -- Model output data set (gwava-dw_out)
Department of the Interior —
This data set represents predicted nitrate concentration in ground water used for drinking, in milligrams per liter, in the conterminous United States, and was... -
Federal
1990 population density by block group for the conterminous United States
Department of the Interior —
This data set represents 1990 population density by block group as a 100-m grid using data from the 1990 Census of Population and Housing (Public Law 94-171... -
Federal
Airborne Magnetic Survey over parts of central and northern Florida and southeastern Georgia, 2023-2024
Department of the Interior —
Magnetic data collected as part of a high-resolution airborne magnetic and radiometric survey over parts of central and northeastern Florida and southeastern Georgia... -
Federal
Vulnerability of shallow ground water and drinking-water wells to nitrate in the United States: Model of predicted nitrate concentration in shallow, recently recharged ground water -- Input data set for fresh surface water withdrawal (gwava-s_swus)
Department of the Interior —
This data set represents the amount of fresh surface water withdrawal for irrigation, in megaliters per day, in the conterminous United States. The data set was used... -
Federal
Census (Survey) Database Used for Demographic Analysis of Agassiz’s Desert Tortoise (Gopherus agassizii) on a 7.77 square km plot inside and outside the fenced Desert Tortoise Research Natural Area, Western Mojave Desert, USA, over a 34-year Period
Department of the Interior —
We developed a model for analyzing multi-year demographic data for long-lived animals and used data from a population of Agassiz’s desert tortoise (Gopherus... -
Federal
U.S. block-level population density rasters for 1990, 2000, and 2010
Department of the Interior —
This dataset consists of three raster datasets representing population density for the years 1990, 2000, and 2010. All three rasters are based on block-level census... -
Federal
Airborne Magnetic and Radiometric Survey over Puerto Rico and the Surrounding Islands and Shelf, 2023-2024
Department of the Interior —
This data release provides digital flight-line and gridded data for a high-resolution airborne magnetic and radiometric survey over Puerto Rico, the islands of... -
Federal
Sea Otter Aerial Survey Data from Western Prince William Sound, Alaska, 2017
Department of the Interior —
This dataset consists of three tables related to abundance and distribution of northern sea otters (Enhydra lutris kenyoni) in western Prince William Sound, Alaska,... -
Federal
1970's Land use data refined with 2000 population data to indicate new residential development for the conterminous United States
Department of the Interior —
This data set represents U.S. Geological Survey (USGS) historical Land Use and Land Cover (LULC) from the 1970's that has been refined with 2000 population density at... -
Federal
LANDFIRE Remap 2016 Existing Vegetation Type (EVT) CONUS
Department of the Interior —
LANDFIRE's (LF) Existing Vegetation Type (EVT) represents the current distribution of the terrestrial ecological systems classification developed by NatureServe for...