Search datasets
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This data set represents the average annual nitrogen input from commercial fertilizer applied to agricultural lands, 1992-2001, in kilograms per hectare, in the conterminous United States. The...
Search relevance: 1.00 | Views last month: 15 | Catalog Last Checked: May 05, 2026 at 07:37 PM -
This data set represents "water input," the ratio of the total area of irrigated land to precipitation, in square kilometers per centimeter, in the conterminous United States. The data set was...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: May 05, 2026 at 09:27 PM -
This data set represents soil surface slope, in percent times 1000, in the conterminous United States. The data set was used as an input data layer for a national model to predict nitrate...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: July 13, 2026 at 06:35 PM -
This data set represents the average annual nitrogen input from commercial fertilizer applied to agricultural lands, 1992-2001, in kilograms per hectare, in the conterminous United States. The...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: July 13, 2026 at 07:14 PM -
This data set represents 1990 block group population density, in people per square kilometer, in the conterminous United States. The data set was used as an input data layer for a national model...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: July 13, 2026 at 07:09 PM -
This dataset includes data collected in support of the Ecosystems & Fisheries-Oceanography Coordinated Investigations (EcoFOCI) project and its predecessor the Fisheries Oceanography Coordinated...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: May 29, 2026 at 10:53 PM -
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. The data set was used as an...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: July 13, 2026 at 07:13 PM -
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 layer for a national model to...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: July 13, 2026 at 06:13 PM -
This product "Predicted nitrate and arsenic concentrations in basin-fill aquifers of the Southwest Principal Aquifers study area" is a 1:250,000-scale vector dataset and was developed as part of...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: July 13, 2026 at 06:01 PM -
This data set represents the area of National Resources Inventory surface drainage, field ditch conservation practice, in square kilometers, in the conterminous United States. The data set was...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: July 13, 2026 at 06:19 PM -
This data set represents the percent of cropland/pasture/fallow land cover in the conterminous United States. The data set was used as an input data layer for a national model to predict nitrate...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: July 13, 2026 at 06:01 PM -
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 as an input data layer for a...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: July 13, 2026 at 06:28 PM -
This data set represents the area of National Resources Inventory surface drainage, field ditch conservation practice, in square kilometers, in the conterminous United States. The data set was...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: July 13, 2026 at 07:14 PM -
This data set represents the presence or absence of poorly sorted glacial till east of the Rocky Mountains in the conterminous United States. The data set was used as an input data layer for a...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: July 13, 2026 at 07:26 PM -
This dataset includes a variety of environmental variables from surface water of five wetland sites (three natural and two restored), and the effluent of three wastewater treatment plants....
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: May 29, 2026 at 07:51 PM -
This data set represents the area of National Resources Inventory irrigation system, tailwater recovery conservation practice, in square kilometers, in the conterminous United States. The data set...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: July 13, 2026 at 06:52 PM -
This data set represents the presence or absence of Valley and Ridge carbonate rocks in the conterminous United States. The data set was used as an input data layer for a national model to predict...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: July 13, 2026 at 06:45 PM -
This data set represents the presence or absence of poorly sorted glacial till east of the Rocky Mountains in the conterminous United States. The data set was used as an input data layer for a...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: July 13, 2026 at 07:25 PM -
This data set represents infiltration excess overland flow estimated by TOPMODEL, in percent of streamflow, in the conterminous United States. The data set was used as an input data layer for a...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: July 13, 2026 at 06:05 PM -
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 a national model to...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: July 13, 2026 at 07:23 PM
