489 datasets found
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Federal
High-speed, continuous water quality mapping of Utah Lake, Salt Lake City, UT
Department of the Interior —
Real-time, high frequency (1-second sample interval), georeferenced water quality data was collected in Utah Lake, Utah. Utah Lake is located approximately 45 miles... -
Federal
Dataset of water boundaries intersected with MRB_RF1 reach flowlines
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
Milwaukee Metropolitan Sewerage District nutrient connections project—In-stream nutrient cycling, 2022 data
Department of the Interior —
Understanding sediment nutrient dynamics in the Milwaukee River Basin is important for assessing water quality and stream habitat. The Milwaukee River is a major... -
Federal
Nutrient Calibration Load Estimation Data for the Puget Sound Region, 2005 through 2020
Department of the Interior —
This data release contains estimated seasonal total nitrogen (TN) and total phosphorus (TP) loads during 2005 through 2020 in selected streams of the watersheds... -
Federal
CCE Nitrogen Index Tool
Department of Agriculture —
The effectiveness of nitrogen fertilizer in maximizing agricultural production and increasing economic returns for farmers has led to its widespread use. However,... -
Federal
Nutrient and streamflow model-input data (1974-2016) and trend results (1987-2016) for selected Lake Erie tributaries
Department of the Interior —
Data provided in this release support the findings in Choquette et al. (2019), utilizing methods for evaluating water-quality and daily-streamflow trends described... -
Federal
Data on soil denitrification potential under oxygen and nitrate limitation of tidal freshwater forested wetlands in Virginia.
Department of the Interior —
Denitrification measurements and ecosystem attributes in hummock-hollow microtopography of tidal freshwater forested wetlands along longitudinal riverine positions... -
Federal
Laboratory optical measurements to assess long-term changes in water-extractable soil organic matter, U.S. Great Plains
Department of the Interior —
Carbon (C) and nitrogen (N) extracted from soil with water are associated with available plant nutrients and microbial activity, but information about how C and N... -
Federal
Data on soil oxygen concentration and water level above soil surface of tidal freshwater forested wetlands in Virginia.
Department of the Interior —
Denitrification measurements and ecosystem attributes in hummock-hollow microtopography of tidal freshwater forested wetlands along longitudinal riverine positions... -
Federal
Chesapeake Bay Nontidal Network 1985-2016: Average annual yields
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
Specific Water Quality Sites for Sanjuan County, Utah
Department of the Interior —
This map shows specific water-quality items and hydrologic data site information which come from QWDATA (Water Quality) and GWSI (Ground Water Information System).... -
Federal
Nutrient data for Yuan and Jones 2019
U.S. Environmental Protection Agency —
Weekly samples of nutrient concentrations in a small number of Missouri Reservoirs. Citation information for this dataset can be found in the EDG's Metadata Reference... -
Federal
Specific Water Quality Sites for Rich County, Utah
Department of the Interior —
This map shows specific water-quality items and hydrologic data site information which come from QWDATA (Water Quality) and GWSI (Ground Water Information System).... -
Federal
Tracking Nitrogen Pollution in New Hampshire's Great Bay - NERRS/NSC(NERRS Science Collaborative)
National Oceanic and Atmospheric Administration, Department of Commerce —
Stretching 15 miles inland, New Hampshireâs Great Bay cuts through the heart of one of the stateâs most densely populated regions. Nitrogen concentrations in the... -
County
Port Susan Buoy Raw Data Output (Dec 20, 2023 - present)
King County, Washington —
This is a raw and uncorrected dataset from a buoy located at the north end of Port Susan, near the mouth of the Stillaguamish River. The buoy is deployed in... -
Federal
Data from 92 sediment incubation experiments using sediments collected from the Fox and Duck rivermouths (adjacent to Green Bay, Lake Michigan)
Department of the Interior —
This dataset contains measurements of water chemistry taken from experimental incubation of sediment cores collected from the Fox and Duck rivermouths during the 2016... -
Federal
Maquoketa River Floodplain-River Connectivity 2014-2016 Data
Department of the Interior —
The Maquoketa River carries some of the highest sediment and nutrient loads in the Upper Mississippi River, contributing to eutrophication and hypoxic conditions in... -
Federal
Nitrogen Flux from Onsite Sewage Disposal Systems (OSDS) - Hawaii
National Oceanic and Atmospheric Administration, Department of Commerce —
This layer represents the nitrogen flux coming from onsite sewage disposal systems (OSDS) (e.g., cesspools and septic tanks). OSDS point data were obtained from the... -
Federal
Nitrogen, phosphorus, and suspended-sediment loads and trends measured at the Chesapeake Bay River Input Monitoring stations: Water years 1985-2023
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...
489 datasets found