posted on 2024-02-13, 13:57authored byPatrick Starks
<p>Climate variability, changing land use and management, and dynamic policy environments are the main reasons why long-term water quality data sets are needed to understand and predict possible water quality outcomes to alternative future scenarios. Such data sets were acquired by the USDA-ARS in three watersheds in Oklahoma: the Southern Great Plains Research Watershed (SGPRW), the Little Washita River Experimental Watershed (LWREW), and the Fort Cobb Reservoir Experimental Watershed (FCREW). Water quality data collection in the SGPRW began in the 1960s and continued through 1978, while that in the LWREW covered the 1960s to 1990 period. Data collection began in the FCREW in 2004 and continues through the present.
The data were collected from streams, unit source watersheds, groundwater wells, and reservoirs. It should be noted that various forms of P—reactive P, total P, soluble P, water-soluble P, particulate P, bioavailable P, total water-soluble P—were measured and are described here as given in the original data sets. No effort was made to determine the similarity of these variables.</p> <div><br>Resources in this dataset:</div><br><ul><li><p>Resource Title: GeoData catalog record.</p> <p>File Name: Web Page, url: <a href="https://geodata.nal.usda.gov/geonetwork/srv/eng/catalog.search#/metadata/WashitaNutrient_jjm_2015-03-16_1025" target="_blank">https://geodata.nal.usda.gov/geonetwork/srv/eng/catalog.search#/metadata/WashitaNutrient_jjm_2015-03-16_1025</a> </p></li></ul>
These data sets are expected to improve modeling and assessments of conservation practices in relation to climate variability, land use changes, and other environmental factors and may be useful in developing strategies to mitigate these environmental impacts.
Use limitations
Discharge or runoff data for a given unit source watershed, reservoir, or stream gauge are not included in the water quality files. While the water quality data described for a given site are generally complete for a given period of record, not all sites were monitored continuously and were not necessarily analyzed for the same water quality parameters.
Temporal Extent Start Date
1960-01-01
Theme
Not specified
Geographic Coverage
ISO Topic Category
environment
farming
Ag Data Commons Group
Southern Plains
Long-Term Agroecosystem Research
National Agricultural Library Thesaurus terms
climate; issues and policy; water quality; data collection; Agricultural Research Service; watersheds; Oklahoma; Great Plains region; rivers; streams; groundwater; wells; phosphorus; models; conservation practices; land use change; environmental factors; environmental impact