Found 148 datasets matching "total nitrogen concentrations".
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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...
Search relevance: 110.22 | Views last month: 0 -
Lake Powell retains most of the phosphorus that it receives, leading to downstream phosphorus limitation. These data were compiled to examine controls on phosphorus cycling below Lake Powell in...
Search relevance: 79.78 | Views last month: 0 -
This data release provides water-quality data collected and analyzed by the U.S. Geological Survey (USGS) and the Kansas Department of Health and Environment (KDHE) during 1972 through 2020. This...
Search relevance: 66.80 | Views last month: 0 -
The U.S. Geological Survey (USGS), in cooperation with the U.S. Department of Agriculture Natural Resources Conservation Service (USDA NRCS) has collected discrete stream samples for analysis of...
Search relevance: 65.69 | Views last month: 0 -
The primary data set consists of continuous water-quality data (temperature, specific conductance, pH, dissolved oxygen, turbidity, nitrate plus nitrite, and streamflow) from in-situ equipment,...
Search relevance: 65.63 | Views last month: 0 -
Surface water and groundwater radium activities, concentrations of various dissolved materials, and environmental parameters (water temperature, salinity, and pH). Activities of 228Ra, 226Ra,...
Search relevance: 65.17 | Views last month: 0 -
A time series of nutrient and mean daily discharge data were used to create models of daily concentration and loads for selected streams of the Lake Tahoe watershed. A total of 15 sites have...
Search relevance: 64.96 | Views last month: 0 -
This dataset includes input and output data from streamflow and water-quality regression models used to characterize streamflow and water-quality conditions in the Upper White River Basin,...
Search relevance: 64.09 | Views last month: 0 -
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...
Search relevance: 64.09 | Views last month: 0 -
Total carbon and nitrogen concentrations, and delta carbon-13 and delta nitrogen-15 stable isotope ratios, were determined in sediment samples to potentially identify the sources of organic matter...
Search relevance: 63.84 | Views last month: 0 -
This dataset contains a list of outlier sample concentrations identified for 17 water quality constituents from streamwater sample collected at 15 study watersheds in Gwinnett County, Georgia for...
Search relevance: 63.81 | Views last month: 0 -
Weighted Regression on Time, Discharge and Season (WRTDS) and WRTDS with Kalman filtering (WRTDS_K) models were developed for total and dissolved cadmium, zinc and lead; total phosphorus and...
Search relevance: 63.17 | Views last month: 0 -
This dataset includes bird species, invertebrate order and family, sample identification codes, collection date, latitude, longitude, site name, bird age, invertebrate life stage, invertebrate...
Search relevance: 61.86 | Views last month: 0 -
This is a combined dataset that includes data for 1966 of the 2008-2009 National Rivers and Streams Assessment watersheds. The data includes watershed N inputs and stream TN, TON and DIN...
Search relevance: 61.84 | Views last month: 0 -
The primary data sets consist of continuous water-quality data (temperature, specific conductance, pH, dissolved oxygen, turbidity, nitrate plus nitrite, and streamflow) from in-situ equipment,...
Search relevance: 60.26 | Views last month: 0 -
The U.S. Geological Survey (USGS), in cooperation with the York County Planning Commission and York County Conservation District, has collected discrete stream samples for analysis of...
Search relevance: 60.26 | Views last month: 0 -
The primary data sets consist of loads (with upper 95-percent prediction interval, and lower 95-percent prediction interval) of suspended sediment, total nitrogen, and total phosphorus calculated...
Search relevance: 59.27 | Views last month: 0 -
The Neuse River Estuary Water Quality Dataset is a compilation of the biological, chemical and physical water quality data that was collected along the length of the Neuse River Estuary, North...
Search relevance: 59.08 | Views last month: 0 -
Carbon and nitrogen concentrations and isotopic fractionation in sediment cores. This dataset is associated with the following publication: Boothman, W.S., and L. Coiro. Modern history of...
Search relevance: 59.02 | Views last month: 0 -
Weighted Regression on Time, Discharge and Season (WRTDS) models were developed for total and dissolved cadmium, lead and zinc; total phosphorus and nitrogen; and dissolved orthophosphate at...
Search relevance: 58.95 | Views last month: 0
