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Found 16 datasets matching filters.

#1 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 farm fertilizer (gwava-s_ffer)
- Organization: Department of the Interior
- Updated: 2020-11-17T00:00:00Z
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...
- xml
- xml
Search relevance: 1.00 | Views last month: 3 | Published on: 2026-03-18
#2 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 irrigation tailwater recovery (gwava-s_twre)
- Organization: Department of the Interior
- Updated: 2020-11-17T00:00:00Z
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...
- xml
- xml
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-07
#3 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 drainage ditch (gwava-s_ddit)
- Organization: Department of the Interior
- Updated: 2020-11-17T00:00:00Z
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...
- xml
- xml
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-18
#4 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 wetlands (gwava-s_wetl)
- Organization: Department of the Interior
- Updated: 2020-11-17T00:00:00Z
This data set represents the percent of woody wetlands and emergent herbaceous wetlands land cover in the conterminous United States. The data set was used as an input data layer for a...
- xml
- xml
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-18
#5 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)
- Organization: Department of the Interior
- Updated: 2020-11-17T00:00:00Z
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...
- xml
- xml
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-18
#6 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 farmfertilizer (gwava-dw_ffer)
- Organization: Department of the Interior
- Updated: 2020-11-17T00:00:00Z
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...
- xml
- xml
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-18
#7 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 confined manure (gwava-dw_conf)
- Organization: Department of the Interior
- Updated: 2020-11-17T00:00:00Z
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...
- xml
- xml
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-18
#8 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 water input (gwava-dw_wtin)
- Organization: Department of the Interior
- Updated: 2020-11-17T00:00:00Z
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...
- xml
- xml
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-18
#9 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 orchards/vineyards (gwava-dw_orvi)
- Organization: Department of the Interior
- Updated: 2020-11-17T00:00:00Z
This data set represents the percent of orchards/vineyards land cover in the conterminous United States. The data set was used as an input data layer for a national model to predict nitrate...
- xml
- xml
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-18
#10 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 irrigation tailwater recovery (gwava-dw_twre)
- Organization: Department of the Interior
- Updated: 2020-11-17T00:00:00Z
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...
- xml
- xml
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-18
#11 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 water input (gwava-s_wtin)
- Organization: Department of the Interior
- Updated: 2020-11-17T00:00:00Z
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...
- xml
- xml
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-18
#12 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 orchards/vineyards (gwava-s_orvi)
- Organization: Department of the Interior
- Updated: 2020-11-17T00:00:00Z
This data set represents the percent of orchards/vineyards land cover in the conterminous United States. The data set was used as an input data layer for a national model to predict nitrate...
- xml
- xml
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-18
#13 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 drainageditch (gwava-dw_ddit)
- Organization: Department of the Interior
- Updated: 2020-11-17T00:00:00Z
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...
- xml
- xml
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-18
#14 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)
- Organization: Department of the Interior
- Updated: 2020-11-17T00:00:00Z
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...
- xml
- xml
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-14
#15 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 cropland/pasture/fallow (gwava-s_crpa)
- Organization: Department of the Interior
- Updated: 2020-11-17T00:00:00Z
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...
- xml
- xml
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-07
#16 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 fresh surface water withdrawal (gwava-dw_swus)
- Organization: Department of the Interior
- Updated: 2020-11-17T00:00:00Z
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...
- xml
- xml
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-07

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