@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/7a7e68d7-ec32-47d0-b126-dfcc3c4dae0d> a dcat:Dataset ;
    dct:description """This Data Release has 18 different groundwater flow simulation applications for the Woodville Karst Plain area 
near Tallahassee Florida with three variations of distributed parameter model approach.  The site model files 
provided include both calibrated and uncalibrated simulations of various steady-state and transient hydrologic 
conditions. Simulations were accomplished with equivalent porous media models that allow laminar flow only 
(MODFLOW) or laminar and non-laminar flow in a model layer (MODFLOW-CFP mode 2) and hybrid model 
simulations (MODFLOW-CFP mode 1 one-dimensional pipe network linked to equivalent porous media model). 
The test examples of the application of equivalent porous media model (the sponge) with and without turbulence 
and a hybrid model (sponge with pipes) to the Woodville Karst Plain near Tallahassee, Florida, indicated that for 
annual, monthly, or seasonal average hydrologic conditions, all methods met calibration criteria (matched 
observed water levels and average flow). Thus, the increased effort, such as the collection of data on conduit 
location and the computational time of a hybrid model, is not necessary for simulation of average hydrologic 
conditions (simulation of non-laminar flow was not critical). However, simulation of a large storm event in the 
Woodville Karst Plain with daily stress periods (52-day period beginning August 13, 2008) indicated that 
turbulence is important for matching daily springflow hydrographs and models calibrated to average conditions 
did not match daily storm spring hydrographs. All models were developed from an equivalent porous media 
model for the area calibrated by J. Hal Davis, USGS, Tallahasee Florida Office that is documented in Davis, 
J.H., Katz, B.G., and Griffin, D.W., 2010, Nitrate-N movement in groundwater from the land application of 
treated municipal wastewater and other sources in the Wakulla Springs springshed, Leon and Wakulla 
Counties, Florida, 1966–2018: U.S. Geological Survey Scientific Investigations Report 2010–5099, 90 p. 
(https://pubs.usgs.gov/sir/2010/5099/). The hybrid model was developed by Josue J. Gallegos and documented 
in  Gallegos, J.J., Hu, B.X., and Davis, Hal, 2013, Simulating flow in karst aquifers at laboratory and 
sub-regional scales using MODFLOW-CFP: Hydrogeology Journal, v. 21, no. 8, p. 1749–1760.""" ;
    dct:identifier "USGS:db10c477-1304-4695-ace9-2ab50bed6212" ;
    dct:issued "2025-11-22T20:50:56.232827"^^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 ((-84.4783 30.0514, -84.4783 30.4495, -84.0631 30.4495, -84.0631 30.0514, -84.4783 30.0514))"^^gsp:wktLiteral ] ;
    dct:title "MODFLOW and MODFLOW Conduit Flow Process data sets for simulation experiments of the Woodville Karst Plain, near Tallahassee, Florida with three different approaches and different stress periods" ;
    dcat:contactPoint [ a vcard:Organization ;
            vcard:fn "Eve L. Kuniansy" ;
            vcard:hasEmail <mailto:elkunian@usgs.gov> ] ;
    dcat:distribution <https://data.amerigeoss.org/dataset/7a7e68d7-ec32-47d0-b126-dfcc3c4dae0d/resource/7935d736-b5c9-40e2-919b-ba1de75f2a97>,
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    dcat:keyword "amerigeo",
        "amerigeoss",
        "ckan",
        "environment",
        "florida",
        "floridan-aquifer",
        "geo",
        "geoscientificinformation",
        "geoss",
        "groundwater",
        "groundwater-simulation",
        "inlandwaters",
        "karst",
        "leon-county",
        "modflow",
        "modflow-cfp",
        "national",
        "north-america",
        "tallahassee",
        "united-states",
        "usgs-db10c477-1304-4695-ace9-2ab50bed6212",
        "usgsgroundwatermodel",
        "wakulla-county",
        "wakulla-springs",
        "woodville-karst-plain" ;
    dcat:theme <%7Bgeospatial%7D> .

<https://data.amerigeoss.org/dataset/7a7e68d7-ec32-47d0-b126-dfcc3c4dae0d/resource/7935d736-b5c9-40e2-919b-ba1de75f2a97> a dcat:Distribution ;
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    dct:issued "2022-07-28T20:17:18.573129"^^xsd:dateTime ;
    dct:modified "2025-11-22T20:50:56.219218"^^xsd:dateTime ;
    dct:title "Digital Data" ;
    dcat:accessURL <https://doi.org/10.5066/F7PK0D87> ;
    dcat:mediaType "application/http" .

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    dct:modified "2025-11-22T20:50:56.218774"^^xsd:dateTime ;
    dct:title "Original Metadata" ;
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