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Found 510 dataset(s) matching "agricultural watersheds".
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This file contains the data set used to develop a random forest model predict background specific conductivity for stream segments in the contiguous United States. This Excel readable file...
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Surface water samples (n = 33) were collected in fall of 2023 at stream sites in Scott County Iowa, USA and were analyzed for microbial source tracking markers by quantitative polymerase chain...
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<p>The USDA-ARS Southwest Watershed Research Center (SWRC) operates the Walnut Gulch Experimental Watershed (WGEW) in southeastern Arizona as an outdoor laboratory for studying semiarid rangeland...
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The Paso Robles groundwater basin (PR) encompasses approximately 500,000 acres and is located in the upper portion of the Salinas River watershed in the San Luis Obispo (SLO) and Monterey...
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During the spring and summer of 2022, the U.S. Geological Survey collected water-quality samples for nutrient analysis at 45 stations across the state of Connecticut and adjacent areas of New York...
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This tabular data set represents the mean rate of nitrogen from fertilizer and manure applied on agricultural land in 1997 compiled for two spatial components of the NHDPlus version 2 data suite...
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This tabular data set represents the mean rate of phosphorous from fertilizer and manure applied on agricultural land in 1997 compiled for two spatial components of the NHDPlus version 2 data...
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<p>Spatial data on soils, land use, and topography, combined with knowledge of conservation effectiveness can be used to identify alternatives to reduce nutrient discharge from small watersheds....
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This data release contains input and output data tables from a SPAtially Referenced Regression On Watershed attributes (SPARROW) model, which estimated total nitrogen loads in streams of the...
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This tabular data set represents the estimated percent area of subsurface drainage for the year 1992 compiled for two spatial components of the NHDPlus version 2 data suite (NHDPlusv2) for the...
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This data release contains one point shapefile describing cattle access to streams for three USGS showcase watersheds: Smith Creek, Conewago Creek, and Upper Chester River. This data release...
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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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Continuous slope-area (CSA) sensors are installed at four cross sections downstream from Flume 6 operated by the Agricultural Research Service (ARS) at the Walnut Gulch Experimental Watershed. A...
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Continuous slope-area sensors are installed at four cross sections downstream from Flume 6 operated by the Agricultural Research Service (ARS) at the Walnut Gulch Experimental Watershed. The CSA...
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Continuous slope-area (CSA) sensors are installed at four cross sections downstream from Flume 6 operated by the Agricultural Research Service (ARS) at the Walnut Gulch Experimental Watershed....
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The data set consists of fecal indicator bacteria and microbial source tracking marker concentrations in water and sediments across multiple seasons. Samples were collected during baseflow from a...
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This repository contains model input/output, R scripts and collated literature data as part of the model evaluation and sensitivity analysis process for the Pesticide Water Calculator. This...
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This data release contains field sampling data collected on a farm located in Talbot County. Maryland, roadside survey data from the area surrounding the farm, and WorldView-3 satellite data of...
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This map shows high-resolution (1 meter) land cover in the EPA Region 3, covering the parts of West Virginia, Virginia, and Pennsylvania outside of the Chesapeake Bay Watershed. It contains the...
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Watershed flow and nutrient species measured data for model calibration, Edge-of-field wetland demonstration project flow monitoring and water quality sampling data for assessing treatment...
