{
  "id": "sites",
  "description": "The catalog contains site metadata for the EFI-USGS River Chlorophyll Forecasting Challenge",
  "stac_version": "1.0.0",
  "license": "CC0-1.0",
  "stac_extensions": [
    "https://stac-extensions.github.io/scientific/v1.0.0/schema.json",
    "https://stac-extensions.github.io/item-assets/v1.0.0/schema.json",
    "https://stac-extensions.github.io/table/v1.2.0/schema.json"
  ],
  "type": "Collection",
  "links": [
    {
      "rel": "parent",
      "type": "application/json",
      "href": "../catalog.json"
    },
    {
      "rel": "root",
      "type": "application/json",
      "href": "../catalog.json"
    },
    {
      "rel": "self",
      "type": "application/json",
      "href": "collection.json"
    },
    {
      "rel": "cite-as",
      "href": "10.1002/fee.2616"
    },
    {
      "rel": "about",
      "href": "https://projects.ecoforecast.org/usgsrc4cast-docs/",
      "type": "text/html",
      "title": "EFI-USGS River Chlorophyll Forecasting Challenge Documentation"
    },
    {
      "rel": "describedby",
      "href": "https://projects.ecoforecast.org/usgsrc4cast-ci/",
      "title": "EFI-USGS River Chlorophyll Forecast Challenge Dashboard",
      "type": "text/html"
    }
  ],
  "title": "Site Metadata",
  "extent": {
    "spatial": {
      "bbox": [
        [
          -122.6692,
          39.6327,
          -74.7781,
          45.5175
        ]
      ]
    },
    "temporal": {
      "interval": [
        [
          "2005-07-07T00:00:00Z",
          "2026-10-28T00:00:00Z"
        ]
      ]
    }
  },
  "table:columns": [
    {
      "name": "site_id",
      "type": "character",
      "description": "site identifier"
    },
    {
      "name": "project_id",
      "type": "character",
      "description": "forecast challenge identifier"
    },
    {
      "name": "agency_cd",
      "type": "character",
      "description": "organization / agency responsible for site monitoring"
    },
    {
      "name": "site_no",
      "type": "character",
      "description": "National Water Information System stream gage identifier"
    },
    {
      "name": "station_nm",
      "type": "character",
      "description": "National Water Information System station long name"
    },
    {
      "name": "site_tp_cd",
      "type": "character",
      "description": "National Water Information System site type code; https://maps.waterdata.usgs.gov/mapper/help/sitetype.html"
    },
    {
      "name": "latitude",
      "type": "numeric",
      "description": "site latitude"
    },
    {
      "name": "longitude",
      "type": "numeric",
      "description": "site longitude"
    },
    {
      "name": "site_url",
      "type": "character",
      "description": "National Water Information System URL for monitoring site"
    },
    {
      "name": "colocated",
      "type": "logical",
      "description": ""
    },
    {
      "name": "queryTime",
      "type": ["POSIXct", "POSIXt"],
      "description": "timestamp when site metadata was retrieved"
    }
  ],
  "assets": {
    "data": {
      "href": "https://raw.githubusercontent.com/eco4cast/usgsrc4cast-ci/main/USGS_site_metadata.csv",
      "type": "application/x-parquet",
      "title": "Site Metadata Access",
      "roles": [
        "data"
      ],
      "description": "This R code will return results for the site metadata.\n\n### R\n\n```{r}\n# Use code below\n\nurl <- \"https://raw.githubusercontent.com/eco4cast/usgsrc4cast-ci/main/USGS_site_metadata.csv\"\nsites <- readr::read_csv(url, show_col_types = FALSE)\n```"
    },
    "thumbnail": {
      "href": "https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/thumbnails/image/screencapture-waterdata-usgs-gov-nwis-rt-2018-08-02-13_00_05-01.jpg",
      "type": "image/JPEG",
      "roles": [
        "thumbnail"
      ],
      "title": "USGS Sites Map"
    }
  }
}