11 datasets found
-
Federal
Selected items from the Census of Agriculture at the county level for the conterminous United States, 1950-2012
Department of the Interior —
This metadata report documents tabular data sets consisting of items from the Census of Agriculture. These data are a subset of items from county-level data... -
Federal
U.S. Geological Survey GAGES-II time series data from consistent sources of land use, water use, agriculture, timber activities, dam removals, and other historical anthropogenic influences
Department of the Interior —
This product is a series of ten datasets containing tabular data from historical time series sources for the 9,067 conterminous United States sites in the U.S.... -
Federal
National 1-kilometer rasters of selected Census of Agriculture statistics allocated to land use for the time period 1950 to 2012
Department of the Interior —
This dataset consists of a series of rasters covering the conterminous United States. Each raster is a one kilometer (km) grid for 18 selected Census of Agriculture... -
Federal
Tabular county-level nitrogen and phosphorus estimates from fertilizer and manure for approximately 5-year periods from 1950 to 2017
Department of the Interior —
This product provides tabular estimates of kilograms of nitrogen and phosphorus from a) fertilizer, and b) manure, for counties in the conterminous United States for... -
Federal
Concentration of nitrate and other water-quality constituents in groundwater from the water table beneath forage fields receiving seasonal applications of dairy manure, Whatcom County, Washington (2015)
Department of the Interior —
Nitrate contamination of groundwater is widespread and persistent in the shallow surficial aquifer of northwestern Whatcom County where dairy farming and forage... -
Federal
County-based estimates of nitrogen and phosphorus content of animal manure in the United States for 1982, 1987, and 1992.
Department of the Interior —
This data set contains county estimates of nitrogen and phosphorus content of animal wastes produced annually for the years 1982, 1987, and 1992. The estimates are... -
Federal
Soil physical, chemical, and biological data from edge-of-field agricultural water quality monitoring sites in Great Lakes States
Department of the Interior —
Soil data were collected from catchments of USGS edge-of-field (EOF) monitoring sites in Great Lakes Restoration Initiative (GLRI) priority watersheds. As part of... -
Federal
CAST Data Input Disaggregation from County and Land-River Segment Scale to National Hydrography Dataset Plus, Version 1.1
Department of the Interior —
The detrimental effects of excess nutrients and sediment entering the Chesapeake Bay estuary from its watersheds have necessitated regulatory actions. Federally-... -
Federal
Nitrogen sources to and export from the Chesapeake Bay watershed, 1950 to 2050
Department of the Interior —
This U.S. Geological Survey data release contains datasets that combine past data with future projections of nitrogen sources and nitrogen export to the Chesapeake... -
Federal
Watershed characteristics for study sites of the Surface Water Trends project, National Water Quality Program
Department of the Interior —
This product consists of 29 datasets of tabular data and associated metadata for watershed characteristics of 1,530 study sites of the Surface Water Trends (SWT)... -
Federal
Watershed-scale agricultural phosphorus balances and river export trends for the conterminous United States, 1992-2012
Department of the Interior —
This product consists of two tabular datasets and associated metadata for major phosphorus fluxes including manure and fertilizer inputs, crop uptake, as well as...
11 datasets found