{
  "@type": "dcat:Dataset",
  "accessLevel": "public",
  "accessRights": "public",
  "accrualPeriodicity": "irregular",
  "bureauCode": [
    "005:18"
  ],
  "contactPoint": {
    "fn": "Read, Quentin",
    "hasEmail": "mailto:quentin.read@usda.gov"
  },
  "description": "<p dir=\"ltr\">This dataset contains all data and code required to reproduce the time-to-event analysis in the associated manuscript. More detail is found in the associated README.md file.</p><h3>Contents of repository</h3><ul><li><code>Yaeger_ReservoirDataset_Oct2022.csv</code>: comma-separated data file with reservoir characteristics, construction times, and water table depths and percent saturation at 5-year intervals from 1975-2015.</li><li><code>CGA_reservoir_analysis.Rmd</code>: RMarkdown notebook with all code required to reproduce the time-to-event analysis in the manuscript and generate the associated plots.</li><li><code>CGA_reservoir_analysis.html</code>: HTML file rendered from the .Rmd notebook.</li><li><code>README.md</code>: additional details, including column descriptions from the CSV file.</li></ul><h3>Software versions used</h3><p dir=\"ltr\">R version 4.1.2 (https://cran.r-project.org/bin/windows/base/old/4.1.2)</p><p dir=\"ltr\">R packages:</p><ul><li>data.table v1.14.8 (https://rdatatable.gitlab.io/data.table/)</li><li>ggplot2 v3.4.4 (https://ggplot2.tidyverse.org/)</li><li>sf v1.0-14 (https://r-spatial.github.io/sf/)</li><li>survival v3.5-5 (https://cran.r-project.org/package=survival)</li><li>icenReg v2.0.15 (https://cran.r-project.org/package=icenReg)</li></ul><p></p>",
  "distribution": [
    {
      "@type": "dcat:Distribution",
      "downloadURL": "https://ndownloader.figshare.com/files/44095979",
      "format": "md",
      "license": "https://www.usa.gov/publicdomain/label/1.0/",
      "mediaType": "text/plain",
      "title": "README.md"
    },
    {
      "@type": "dcat:Distribution",
      "downloadURL": "https://ndownloader.figshare.com/files/44095982",
      "format": "Rmd",
      "license": "https://www.usa.gov/publicdomain/label/1.0/",
      "mediaType": "text/plain",
      "title": "CGA_reservoir_analysis.Rmd"
    },
    {
      "@type": "dcat:Distribution",
      "downloadURL": "https://ndownloader.figshare.com/files/44095985",
      "format": "html",
      "license": "https://www.usa.gov/publicdomain/label/1.0/",
      "mediaType": "text/html",
      "title": "CGA_reservoir_analysis.html"
    },
    {
      "@type": "dcat:Distribution",
      "downloadURL": "https://ndownloader.figshare.com/files/44095988",
      "format": "csv",
      "license": "https://www.usa.gov/publicdomain/label/1.0/",
      "mediaType": "text/plain",
      "title": "Yaeger_ReservoirDataset_Oct2022.csv"
    }
  ],
  "identifier": "10.15482/USDA.ADC/24659127.v1",
  "keyword": [
    "Arkansas",
    "Cache River CGA",
    "Critical Groundwater Area (CGA)",
    "Grand Prairie CGA",
    "Mississippi River Valley",
    "Mississippi River Valley Alluvial Aquifer",
    "aquifer",
    "groundwater",
    "hydrology",
    "reservoir"
  ],
  "license": "https://www.usa.gov/publicdomain/label/1.0/",
  "modified": "2025-11-21",
  "programCode": [
    "005:040"
  ],
  "publisher": {
    "@type": "org:Organization",
    "name": "Agricultural Research Service"
  },
  "spatial": [
    {
      "@type": "Location",
      "prefLabel": "{\"type\": \"Polygon\", \"coordinates\": [[[-92.08584893, 34.05883035], [-90.71163961, 34.05883035], [-90.71163961, 35.94604415], [-92.08584893, 35.94604415], [-92.08584893, 34.05883035]]]}"
    }
  ],
  "temporal": [
    {
      "@type": "PeriodOfTime",
      "endDate": "2015-12-31",
      "startDate": "1975-01-01"
    }
  ],
  "title": "Data and code from: Extending irrigation reservoir histories for improved groundwater modeling and conjunctive water management in two Arkansas critical groundwater areas"
}