• Organization: Department of the Interior
• Updated: 2023-06-15T00:00:00Z

This study evaluated CO2 flux from soils and pneumatophores of Avicennia germinans mangrove trees subjected to nitrogen and phosphorus fertilization versus an unfertilized control with a basin...

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• Organization: Department of the Interior
• Updated: 2021-08-05T00:00:00Z

This dataset contains measurements of water chemistry taken from experimental incubation of sediment cores collected from the Fox and Duck rivermouths during the 2016 growing season. In addition,...

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• Organization: Department of the Interior
• Updated: 2022-08-10T00:00:00Z

This data set presents pore water nutrient concentrations and sediment oxygen demand (SOD) measurements made at 12 locations around the margin of Barnegat Bay and at 3 locations in central...

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• Organization: Department of the Interior
• Updated: 2020-08-21T00:00:00Z

This data set includes WRTDS nutrient flux trend results and the values of daily streamflow trend results displayed in the Quantile-Kendall plots. For 1995-2015 nutrient trends, the method of...

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• Organization: Department of the Interior
• Updated: 2020-08-21T00:00:00Z

This data set includes WRTDS nutrient flux trend results and the values of daily streamflow trend results displayed in the Quantile-Kendall plots. For 1995-2015 nutrient trends, the method of...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2017-03-14T00:00:00.000+00:00

This layer represents the phosphorus flux coming from onsite sewage disposal systems (OSDS) (e.g., cesspools and septic tanks). OSDS point data were obtained from the University of Hawaii at Manoa...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2021-06-10T00:00:00.000+00:00

This dataset presents results from surface-tethered drifting sediment traps, zooplankton net tows, dissolved inorganic nutrient concentration analyses made on water column samples, and flow...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2017-03-14T00:00:00.000+00:00

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 University of Hawaii at Manoa...

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• Organization: Department of the Interior
• Updated: 2011-10-26T00:00:00Z

Following the completion of the Kaloko Fishpond Kuapa (seawall) in September of 2011, hydrographic water quality measurements (YSI multiprobe) were taken at seven locations within the pond. The...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2017-03-14T00:00:00.000+00:00

This layer represents the total effluent coming from onsite sewage disposal systems (OSDS) (e.g., cesspools and septic tanks). OSDS point data were obtained from the University of Hawaii at Manoa...

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• Organization: Department of the Interior
• Updated: 2023-12-08T00:00:00Z

Nutrient reduction on the landscape scale often focuses on actions that reduce the movement of nitrogen (N) and phosphorus (P) from agricultural lands into streams and rivers. However, processing...

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• Organization: Department of the Interior
• Updated: 2020-08-24T00:00:00Z

A variety of nutrient sources transported by multiple flow paths contribute to the nutrient load entering Willow Creek Lake. In addition to Willow Creek, there are several smaller tributaries that...

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• Organization: Department of Agriculture
• Updated: 2025-11-22

Organic Amendment Study for Greenhouse gas Reduction through Agricultural Carbon Enhancement network and Nutrient Use and Outcome Network in Fort Collins, Colorado Dairy manure is commonly used in...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-10

An eddy covariance system mounted on a tower near the Skukuza Camp in Kruger National Park, South Africa, has been operating continuously since early 2000. Meteorological measurements started in...

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• Organization: Department of the Interior
• Updated: 2023-02-17T00:00:00Z

This dataset utilized available water-quality data from the Mississippi Department of Environmental Quality and streamflow from the U.S. Geological Survey to estimate total nitrogen and total...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-10

This data set reports the results of soil nitric oxide (NO) flux, soil moisture, and soil nitrate (NO3) and ammonium (NH4) concentration measurements on Cerrado soils receiving nitrogen...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2023-02-15T00:00:00.000+00:00

The Nansen bottle/ primary productivity/ pigment, sediment trap; and Conductivity, Temperature and Depth (CTD) data were collected in North Atlantic Ocean, NW Atlantic (limit-40 W) as part of...

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• Organization: Department of the Interior
• Updated: 2021-09-13T00:00:00Z

Clear Lake, located within the Coast Range west of California’s Central Valley, is the largest natural freshwater lake contained fully within the state and geologically is considered to be the...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2021-04-21T00:00:00.000+00:00

We conducted a year-long study with the main objective of comparing seasonal plant productivity, ecosystem respiration (ER), denitrification, and dissimilatory nitrate reduction to ammonium (DNRA)...

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• Organization: Department of the Interior
• Updated: 2024-03-13T00:00:00Z

The Maumee River transports huge loads of nitrogen (N) and phosphorus (P) to Lake Erie. The increased concentrations of N and P are causing eutrophication of the lake, creating hypoxic zones, and...

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