489 datasets found
-
Federal
Footprints in Action: How UVA is Managing its Sustainability Stewardship
U.S. Environmental Protection Agency —
Data on the carbon, nitrogen, water and phosphorus footprints from the University of Virginia and information about different scenarios of environmental releases.... -
Federal
County-Level Estimates of Nitrogen and Phosphorus from Animal Manure for the Conterminous United States, 2002
Department of the Interior —
This data set consists of county estimates of nitrogen and phosphorus in kilograms from animal manure in the conterminous United States for 2002. These estimates were... -
Federal
Ecoregion data (Ecoregion 71i) used as part of the input data set for the Tennessee SPARROW model
Department of the Interior —
This data release consists of the data used to develop SPAtially Referenced Regression On Watershed(SPARROW) attributes models for estimating loads of total... -
Federal
Chincoteague Bay surface carbon and nitrogen data from the fall sampling trip of 2014
Department of the Interior —
Following Hurricane Sandy, scientists from the U.S. Geological Survey, St. Petersburg Coastal and Marine Science Center conducted a seasonal collection of estuarine,... -
Federal
Chesapeake Bay River Input Monitoring Network 1985-2019: WRTDS output data
Department of the Interior —
Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in major rivers across the Chesapeake Bay watershed have been calculated using monitoring... -
Federal
Chesapeake Bay Nontidal Network 1985-2016: WRTDS output data
Department of the Interior —
Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in rivers across the Chesapeake Bay watershed have been calculated using monitoring data... -
Federal
Histochemical study of nitrogen-transfer endosymbiosis
Department of the Interior —
Plant roots have the best-understood mutualisms with microbes, but leaf and bract cell endosymbiosis have not been previously reported. Leaf and bract cells of more... -
Federal
Water quality data for urban (centralized versus distributed stormwater management) and forested reference watersheds in Clarksburg, MD (2004-2016)
Department of the Interior —
Data were obtained in order to evaluate differences among watersheds that vary in stormwater management practice arrangement by assessing differences in baseflow... -
Federal
Chamber incubation data 2016-17 version 1
U.S. Environmental Protection Agency —
These data were collected to compare nitrogen and oxygen exchange at the sediment-water interface in two adjacent habitat types common in estuaries. These are... -
Federal
Field Notebooks from Loch Vale watershed, Rocky Mountain National Park, research from 1981 through 2023
Department of the Interior —
These files consist of scanned field notebooks from long-term research and monitoring conducted in the Loch Vale watershed, Rocky Mountain National Park from June 17,... -
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
Rumsey and Walker_AMT_2016_Table 2.xlsx
U.S. Environmental Protection Agency —
Table summarizes instrument precision assessed by collocating the two sample boxes. Precision is quantified as the standard deviation of the residuals of an... -
Federal
Effects of flood inundation, invasion by Phalaris arundinacea, and nitrogen enrichment on extracellular enzyme activity in an Upper Mississippi River floodplain forest: Data
Department of the Interior —
This data set consists of soil properties and extracellular enzymes activities measured during 2014. -
Federal
Estimated effect of best management practice implementation on water quality in the Chesapeake Bay watershed from 1985 to 2014
Department of the Interior —
This metadata record documents 2 comma delimited tables representing output from the Chesapeake Bay Program Phase 5.3.2 Watershed Model. The effect of best management... -
Federal
Nutrient contributions from point sources, combined sewer overflows, and wastewater treatment plants for selected Chesapeake Bay watersheds
Department of the Interior —
The dataset contains estimates for total nitrogen and total phosphorus loads from point sources, combined sewer overflows, wastewater treatment plants that discharge... -
Federal
Dry Surface Layer_2020
U.S. Environmental Protection Agency —
Summary of lab experiments relating soil dry surface layer to soil moisture and other soil properties. This dataset is not publicly accessible because: This project... -
Federal
Nutrients generated by livestock applied to farm land, pasture land, and range land in the United States Pacific Northwest for 2002 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 amount of nitrogen and phosphorus that was generated by livestock and applied... -
Federal
Sediment and nutrient retention in floodplain forest soils related to flood frequency and presence/absence of invasive reed canary grass (Phalaris arundinacea) in the upper Mississippi River Navigation Pool 8 in 2019
Department of the Interior —
The dataset represents the results of floodplain soil samples collected in Navigation Pool 8 of the upper Mississippi River. The objective of the research was to... -
Federal
Estimated seasonal nitrogen and phosphorus loads in selected streams of the conterminous United States, 1999 - 2020
Department of the Interior —
Estimated seasonal total nitrogen and total phosphorus loads during 1999 through 2020 in selected streams of the conterminous United States and water-quality and... -
Federal
Estimated Total Nitrogen and Total Phosphorus Loads and Yields Generated within States
U.S. Environmental Protection Agency —
Estimated state-wide total nitrogen (TN) and total phosphorus (TP) loads and yields, as predicted by the 2012 regional USGS SPARROW models.Excess nitrogen and...
489 datasets found