344 datasets found
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Federal
Attributes for NHDPlus Catchments (Version 1.1) for the Conterminous United States: 30-Year Average Annual Maximum Temperature, 1971-2000
Department of the Interior —
This data set represents the 30-year (1971-2000) average annual maximum temperature in Celsius multiplied by 100 compiled for every catchment of NHDPlus for the... -
Federal
Dissolved Pesticides in Weekly Water Samples from the NAWQA California Stream Quality Assessment (2017)
Department of the Interior —
Dissolved pesticides were measured in weekly water samples from 85 wadeable streams in Central Coastal California over a variable six-week period during March–May,... -
Federal
Selected environmental characteristics of sampled sites, watersheds, and riparian zones for the U.S. Geological Survey Regional Stream Quality Assessment, 2013 to 2017
Department of the Interior —
In 2013, the Regional Stream Quality Assessment (RSQA) study was started as part of the U.S. Geological Survey (USGS) National Water-Quality Assessment (NAWQA)... -
Federal
Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: Estimated Area of Agricultural Land Drained by Field Ditches, 1992
Department of the Interior —
This tabular data set represents the estimated percent area of agricultural land drained by field ditches for the year 1992 compiled for two spatial components of the... -
Federal
Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: Population Density from U.S. Block-Level Population Density Rasters for 2010
Department of the Interior —
This tabular data set represents population density, persons per square kilometer from 2010 Census block level data, processed by James Falcone (USGS, 2016), compiled... -
Federal
Potential range land for grazing cattle in the United States Pacific Northwest summarized for NHDPlus v2 catchments
Department of the Interior —
This spatial data set was created by the U.S. Geological Survey (USGS) to represent the area of land within each incremental watershed delineated in the NHDPlus v2... -
Federal
Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: 30 Year Average (1961-1990) of Minimum Monthly Precipitation in mm
Department of the Interior —
This tabular data set represents 30 year average (1961-1990) of minimum monthly precipitation in millimeters compiled for two spatial components of the NHDPlus... -
Federal
Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: Percent of Irrigated Agriculture, 2007 MIrAD data
Department of the Interior —
This tabular data set represents percent of irrigated agriculture, based on 2007 MODIS Irrigated Agricultural Data (MIrAD) data compiled for two spatial components of... -
Federal
Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: NLCD 2001 Percent Imperviousness in 100 Meter Riparian Buffer
Department of the Interior —
This tabular data set represents NLCD 2001 percent imperviousness in the 100 meter riparian buffer zones compiled for two spatial components of the NHDPlus version 2... -
Federal
Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstream Watersheds for the Conterminous United States: PRISM 30-Year Average (1961-1990) Relative Humidity (percent)
Department of the Interior —
This tabular data set represents PRISM 30-year average (1961-1990) relative humidity (percent) compiled for two spatial components of the NHDPlus version 2 data suite... -
Federal
Attributes for NHDPlus Catchments (Version 1.1): Level 3 Nutrient Ecoregions, 2002
Department of the Interior —
This data set represents the area of each level 3 nutrient ecoregion in square meters, compiled for every catchment of NHDPlus for the conterminous United States. The... -
Federal
Generalized boundaries of the National Water-Quality Assessment (NAWQA) Study-Unit Investigations in the conterminous United States 2001-2012
Department of the Interior —
This is a GENERALIZED version of the boundaries and codes used for the U.S. Geological Survey's National Water-Quality Assessment (NAWQA) Program Study-Unit... -
Federal
Attributes for NHDPlus Catchments (Version 1.1)for the Conterminous United States: Contact Time, 2002
Department of the Interior —
This data set represents the average contact time, in units of days, compiled for every catchment of NHDPlus for the conterminous United States. Contact time, as... -
Federal
Arid land irrigation in the United States Pacific Northwest for 2001
Department of the Interior —
This spatial data set was created by the U.S. Geological Survey (USGS) to represent the extent of arid land irrigation in the Pacific Northwest region of the United... -
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 semiconsolidated sand aquifers (gwava-dw_semc)
Department of the Interior —
This data set represents the presence or absence of semiconsolidated sand aquifers in the conterminous United States. The data set was used as an input data layer for... -
Federal
National Land Cover Database 2001 (NLCD01) Tree Canopy Layer Tile 1, Northwest United States: CNPY01_1
Department of the Interior —
This 30-meter resolution data set represents the tree canopy layer for the conterminous United States for the 2001 time period. The data have been arranged into four... -
Federal
Application of fertilizer phosphorus to nonfarm land in the United States Pacific Northwest for 2002
Department of the Interior —
This spatial data set was created by the U.S. Geological Survey (USGS) to represent the amount of fertilizer phosphorus that was applied to nonfarm land in the... -
Federal
Attributes for NHDPlus Version 2.1 Reach Catchments and Modified-Routing Upstream Watersheds for the Conterminous United States: Monthly Average Temperature (Celsius) from 1945 - 2015
Department of the Interior —
This tabular data set represents monthly average temperature values (Celsius) described in Wolock and McCabe (2018), compiled for the NHDPlus version 2 data suite... -
Federal
Preliminary estimated annual agricultural pesticide use for counties of the conterminous United States, 2018
Department of the Interior —
This data release provides preliminary estimates of annual agricultural use of pesticide compounds in counties of the conterminous United States, for the year 2018,... -
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 confined manure (gwava-s_conf)
Department of the Interior —
This data set represents the average annual nitrogen input from confined animal manure, 1992 and 1997, in kilograms per hectare, in the conterminous United States....
344 datasets found