{"accessLevel": "public", "bureauCode": ["010:12"], "contactPoint": {"@type": "vcard:Contact", "fn": "Oklahoma-Texas Water Science Center", "hasEmail": "mailto:gs-w-txpublic-info@usgs.gov"}, "description": "This data set consists of digitized polygons of constant\nrecharge values for the Rush Springs aquifer in western\nOklahoma. This area encompasses all or part of Blaine, Caddo,\nCanadian, Comanche, Custer, Dewey, Grady, Stephens, and\nWashita Counties. For the purposes of modeling the\nground-water flow in the Rush Springs aquifer, Mark F. Becker\n(U.S. Geological Survey, written commun., 1997) defined the\nRush Springs aquifer to include the Rush Springs Formation,\nalluvial and terrace deposits along major streams, and parts\nof the Marlow Formations, particularly in the eastern part of\nthe aquifer boundary area.\nThe Permian-age Rush Springs Formation consists of highly\ncross-bedded sandstone with some interbedded dolomite and\ngypsum. The Rush Springs Formation is overlain by\nQuaternary-age alluvial and terrace deposits that consist of\nunconsolidated clay, silt, sand, and gravel. The Rush Springs\nFormation is underlain by the Permian-age Marlow Formation\nthat consists of interbedded sandstones, siltstones,\nmudstones, gypsum-anhydrite, and dolomite beds (Mark F.\nBecker, written commun., 1997). The parts of the Marlow\nFormation that have high permeability and porosity are where\nthe Marlow Formation is included as part of the Rush Springs\naquifer.\nThe Rush Springs aquifer underlies about 2,400 square miles of\nwestern Oklahoma and is an important source of water for\nirrigation, livestock, industrial, municipal, and domestic\nuse. Irrigation wells are reported to have well yields greater\nthan 1,000 gallons per minute (Mark F. Becker, written\ncommun., 1997).\nMark F. Becker created some of the recharge data set by\ndigitizing parts of previously published surficial geology\nmaps. There are 87 recharge rates, ranging from 0.09 to 3.20\ninches per year, used by Mark F. Becker (written commun.,\n1997) to simulate the ground-water flow in the Rush Springs\naquifer. The average estimated recharge is about 2 inches per\nyear or about 7 percent of the average annual\nprecipitation. The recharge rates were based on stream\ndischarge measured at sites in drainage basins in the Rush\nSprings study area during low-flow periods in March 1989 and\nFebruary 1991 (Mark F. Becker, written commun., 1997).\nGround-water flow models are numerical representations that\nsimplify and aggregate natural systems. Models are not unique;\ndifferent combinations of aquifer characteristics may produce\nsimilar results. Therefore, values of recharge used in the\nmodel and presented in this data set are not precise, but are\nwithin a reasonable range when compared to independently\ncollected data.", "distribution": [{"@type": "dcat:Distribution", "accessURL": "https://doi.org/10.5066/P9C3S4NN", "description": "Landing page for access to the data", "format": "XML", "mediaType": "application/http", "title": "Digital Data"}, {"@type": "dcat:Distribution", "description": "The metadata original format", "downloadURL": "https://data.usgs.gov/datacatalog/metadata/USGS.7e60fd4f-96ae-4722-8ab0-b70b708d6144.xml", "format": "XML", "mediaType": "text/xml", "title": "Original Metadata"}], "identifier": "http://datainventory.doi.gov/id/dataset/USGS_7e60fd4f-96ae-4722-8ab0-b70b708d6144", "keyword": ["Cloud Chief Formation", "Marlow Formation", "Rush Springs Formation", "Rush Springs aquifer", "USGS:7e60fd4f-96ae-4722-8ab0-b70b708d6144", "aquifers", "environment", "geoscientificInformation", "ground water", "ground-water recharge", "ground-water vulnerability", "groundwater", "groundwater vulnerability", "inlandWaters", "recharge", "recharge rate"], "modified": "2020-11-17T00:00:00Z", "publisher": {"@type": "org:Organization", "name": "U.S. Geological Survey"}, "spatial": "-99.1005, 34.6004, -97.8060, 36.0747", "theme": ["geospatial"], "title": "Digital data sets that describe aquifer characteristics of the Rush Springs aquifer in western Oklahoma"}