@prefix dcat: <http://www.w3.org/ns/dcat#> .
@prefix dct: <http://purl.org/dc/terms/> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix gsp: <http://www.opengis.net/ont/geosparql#> .
@prefix locn: <http://www.w3.org/ns/locn#> .
@prefix vcard: <http://www.w3.org/2006/vcard/ns#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<https://data.amerigeoss.org/dataset/01156f84-3b72-4b04-83a8-8023f48f73e3> a dcat:Dataset ;
    dct:description """A new groundwater flow model for western Chippewa County, Wisconsin has been developed 
by the Wisconsin Geological and Natural History Survey (WGNHS) and the U.S. Geological 
Survey (USGS). An analytic element GFLOW model was constructed and calibrated to 
generate hydraulic boundary conditions for the perimeter of the more detailed 
three-dimensional MODFLOW-NWT model. This three-dimensional model uses the USGS 
MODFLOW-NWT finite difference code, a standalone version of MODFLOW-2005 that 
incorporates the Newton (NWT) solver. The model conceptualizes the hydrogeology of western 
Chippewa County as a six-layer system which includes several hydrostratigraphic units. The 
model explicitly simulates groundwater-surface-water interaction with streamflow routing. Model 
input included recent estimates of aquifer hydraulic conductivities and a spatial groundwater 
recharge distribution developed using a GIS-based soil-water-balance model for the study 
area. Groundwater withdrawals from pumping were simulated for 269 high-capacity wells 
across the entire model domain, which includes western Chippewa County and portions of 
eastern Dunn County and southeastern Barron County. Model calibration used the parameter 
estimation code PEST, and calibration targets included heads and stream flows. Calibration f
focused on the period from during 2011 to 2013 when the largest amount of calibration data 
were available. Following calibration, the model was applied to two distinct scenarios; one 
evaluating hydraulic impacts of more intensive industrial sand mining and the second evaluating 
the hydraulicimpacts of more intensive agricultural irrigation practices. Each scenario was 
developed with input by Chippewa County and a stakeholder group established for this study, 
and designed to represent reasonable future build-out conditions for both mining and 
irrigatedagriculture. The mining scenario underscores the potential hydraulic impacts related to 
changing land-use practices (i.e., hilltops and farm land becoming sand mines), while the 
irrigated agriculture scenario illustrates the potential hydraulic impacts of intensifying existing 
land-use practices (i.e., installing new wells to irrigate farm fields).""" ;
    dct:identifier "USGS:504e59f7-883b-42e9-81fe-4cd4001ce557" ;
    dct:issued "2025-11-19T19:22:31.032262"^^xsd:dateTime ;
    dct:modified "20201117"^^xsd:gYear ;
    dct:publisher <https://data.amerigeoss.org/organization/727dbdd5-3f98-4ac0-9d28-5e344558139b> ;
    dct:spatial [ a dct:Location ;
            locn:geometry "POLYGON ((-91.7436 44.8712, -91.7436 45.3710, -91.2658 45.3710, -91.2658 44.8712, -91.7436 44.8712))"^^gsp:wktLiteral ] ;
    dct:title "MODFLOW-NWT model data sets for simulating effects of groundwater withdrawals on streamflows in Northwestern Chippewa County" ;
    dcat:contactPoint [ a vcard:Organization ;
            vcard:fn "Paul F. Juckem" ;
            vcard:hasEmail <mailto:pfjuckem@usgs.gov> ] ;
    dcat:distribution <https://data.amerigeoss.org/dataset/01156f84-3b72-4b04-83a8-8023f48f73e3/resource/24a01ab7-4a9d-4285-bbfc-b5091a794331>,
        <https://data.amerigeoss.org/dataset/01156f84-3b72-4b04-83a8-8023f48f73e3/resource/dd15b67e-9da3-4371-ab32-9544a44577d6> ;
    dcat:keyword "amerigeo",
        "amerigeoss",
        "chippewa-county",
        "ckan",
        "environment",
        "geo",
        "geoscientificinformation",
        "geoss",
        "groundwater",
        "groundwater-model",
        "inlandwaters",
        "mnw2",
        "modflow-nwt",
        "national",
        "north-america",
        "swb",
        "united-states",
        "usgs-504e59f7-883b-42e9-81fe-4cd4001ce557",
        "usgsgroundwatermodel",
        "wisconsin" ;
    dcat:theme <%7Bgeospatial%7D> .

<https://data.amerigeoss.org/dataset/01156f84-3b72-4b04-83a8-8023f48f73e3/resource/24a01ab7-4a9d-4285-bbfc-b5091a794331> a dcat:Distribution ;
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    dct:issued "2022-08-07T09:37:47.042515"^^xsd:dateTime ;
    dct:modified "2025-11-19T19:22:31.012248"^^xsd:dateTime ;
    dct:title "Original Metadata" ;
    dcat:accessURL <https://data.usgs.gov/datacatalog/metadata/USGS.504e59f7-883b-42e9-81fe-4cd4001ce557.xml> ;
    dcat:mediaType "text/xml" .

<https://data.amerigeoss.org/dataset/01156f84-3b72-4b04-83a8-8023f48f73e3/resource/dd15b67e-9da3-4371-ab32-9544a44577d6> a dcat:Distribution ;
    dct:description "Landing page for access to the data" ;
    dct:format "XML" ;
    dct:issued "2022-08-07T09:37:47.042521"^^xsd:dateTime ;
    dct:modified "2025-11-19T19:22:31.012971"^^xsd:dateTime ;
    dct:title "Digital Data" ;
    dcat:accessURL <https://doi.org/10.5066/F7TB15DB> ;
    dcat:mediaType "application/http" .

<https://data.amerigeoss.org/organization/727dbdd5-3f98-4ac0-9d28-5e344558139b> a foaf:Agent ;
    foaf:name "US Migrating" .