{"accessLevel": "public", "bureauCode": ["010:12"], "contactPoint": {"@type": "vcard:Contact", "fn": "Leslie L Duncan", "hasEmail": "mailto:lduncan@usgs.gov"}, "description": "A previously developed groundwater flow model (https://doi.org/10.3133/sir20185035) \nwas modified and used as the primary tool to assess groundwater availability in the \nOzark Plateaus aquifer system which is an important source for municipal, industrial, \nagricultural, and domestic water supply needs across much of southern Missouri and \nnorthern Arkansas, and smaller areas of southeastern Kansas and northeastern \nOklahoma. The new model was developed to access changes in simulated hydrologic \nbudget components at the regional scale to quantify hydrologic changes across the \nOzark system. The model benefits current and future investigations that involve \ngroundwater-withdrawal scenarios, optimization, particle transport, and monitoring \nnetwork analysis. Recent short-term drought conditions have emphasized the need \nto better understand the delicate balance between abundance, sustainability and \nscarcity. The model also is critical to the ongoing work to quantify groundwater availability \nin the Ozark aquifer system. The groundwater model simulated 116 years (1900\u20142016) \nof historical hydrologic conditions, 45 years (2016-2060) of potential future hydrologic \nconditions, and the response of the groundwater system to changes in stress. Stress \napplied to the groundwater system included changes in recharge and increased \ngroundwater withdrawals for water supply. Semi-seasonal stress periods were simulated \nfrom the later part of 1991 through 2060 to represent higher demand and lower recharge \nin the spring and summer months, and lower demand and higher recharge in the fall and \nwinter months. Three scenarios were developed to simulate potential future conditions \nand assess the potential effects on the hydrologic system and availability of water \nresources. For each scenario, changes in water levels and hydrologic budget components \nwere evaluated from predevelopment (1900) to present (2016), and 44 years into the future \n(2060). This USGS data release contains all of the input and output files for the model and \nthe calibration and scenario simulations described in the associated professional paper \n(https://doi.org/10.3133/pp1854). This data release also includes \n(1) MODFLOW-NWT (v. 1.1.2) source code, \n(2) PEST++ source code, and \n(3) processing Python scripts and associated instruction files for parameter estimation \nand model calibration using PEST++.", "distribution": [{"@type": "dcat:Distribution", "accessURL": "https://doi.org/10.5066/P9H0PQ93", "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.1523c64c-b5ca-447b-94cb-8dbed994fad4.xml", "format": "XML", "mediaType": "text/xml", "title": "Original Metadata"}], "identifier": "http://datainventory.doi.gov/id/dataset/USGS_1523c64c-b5ca-447b-94cb-8dbed994fad4", "keyword": ["Arkansas", "Groundwater", "Groundwater Model", "InlandWaters", "Kansas", "MODFLOW-NWT", "Missouri", "Oklahoma", "Ozark Plateaus aquifer system", "Ozark aquifer", "Ozark confining unit", "PEST++", "Springfield Plateau aquifer", "St. Francois aquifer", "St. Francois confining unit", "USGS:1523c64c-b5ca-447b-94cb-8dbed994fad4", "Western Interior Plains confining system", "environment", "geoscientificInformation", "usgsgroundwatermodel"], "modified": "2020-11-17T00:00:00Z", "publisher": {"@type": "org:Organization", "name": "U.S. Geological Survey"}, "spatial": "-95.534385681155, 34.636283874512, -89.19214630127, 39.465435028076", "theme": ["geospatial"], "title": "MODFLOW-NWT model of groundwater flow in the Ozark Plateaus aquifer system, version 1.1"}