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Found 1000 dataset(s) matching "Total nitrogen".
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This dataset contains water column and sediment geochemical data taken by bottle and bottom samples from research vessel Atlantis (cruise AT41) in the southeastern U.S. Atlantic margin in August...
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This spatial data set was created by the U.S. Geological Survey (USGS) to represent the amount of wet and dry deposition of reduced nitrogen in the Pacific Northwest region of the United States...
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This spatial data set was created by the U.S. Geological Survey (USGS) to represent the amount of wet and dry deposition of oxidized nitrogen in the Pacific Northwest region of the United States...
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Measurements of water quality parameters were taken by Windward Community College faculty and students at eight sites in the Heeia Stream and adjacent Kaneohe Bay waters from May 2004 through...
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Chemistry data were collected or compiled from stream water, lake water, and groundwater. Stream water samples were collected more frequently to capture the range of streamflow conditions....
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This record describes water quality inorganic nutrient concentration metrics collected monthly between May 2023 to May 2024 to provide reference data of nearshore and watershed water quality on...
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This dataset contains water column and sediment geochemical data collected taken by bottle and bottom samples from NOAA Ship Ronald H. Brown (cruise RB19-03) in the southeastern U.S. Atlantic...
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This data release contains eight datasets and metadata related to streamwater constituent load estimation and E. coli bacteria concentration predictions at 15 watersheds in DeKalb County, Georgia...
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The dataset contains annual and model calibration period streamwater constituent load and yield estimates for 13 watersheds in Gwinnett County, Georgia for the water years 2003 to 2020. Loads and...
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The dataset contains the sample constituent concentrations and explanatory variable values used for fitting the load regression models that were then used to estimate streamwater constituent loads...
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The dataset contains model coefficients and statistics for the 488 regression models used to estimate streamwater constituent loads for 13 watersheds in Gwinnett County, Georgia for two...
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This dataset includes total phosphorus (TP), total nitrogen (TN), and total carbon (TC) concentrations as well as δ15N and δ13C composition, and overall C:N:P stoichiometry for adult emergent...
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This dataset contains estimates of the yearly sum of total nitrogen and total phosphorus (hereafter referred to as nitrogen and phosphorus) inputs from fertilizer applications and from manure...
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Geochemical data were obtained to investigate the fate and transport of nitrogen in a subterranean estuary near East Falmouth, Massachusetts. The goal of this investigation was to assess nitrogen...
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This dataset contains tables of estimated fertilizer and manure nutrient inputs in kilograms to individual stream catchments of the continental United States from the National Hydrography Dataset...
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This U.S. Geological Survey (USGS) data release includes necessary information and data to support the analysis and interpretations of nutrient loading and sources of nitrogen in the associated...
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This U.S. Geological Survey data release presents tabular daily data on nitrate plus nitrite nitrogen and total nitrogen loads for the Connecticut River at Middle Haddam, Connecticut, from...
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The U.S. Geological Survey’s SPAtially Referenced Regression On Watershed attributes (SPARROW) for the Southeastern United States was used to simulate changes in total nitrogen, total phosphorus...
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This dataset contains tabular data for U.S. Environmental Protection Agency’s (EPA) Clean Watersheds Needs Survey (CWNS) wastewater treatment facility information. Literature-based average total...
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This dataset contains CTD, and water and sediment chemistry data collected aboard R/V Endeavor cruise EN528 in the northern Gulf of Mexico from 2013-07-07 to 2013-07-03. The CTD data were...
