{
  "@context": "https://schema.org/",
  "@type": "Dataset",
  "comment": "This dataset metadata was generated with the use of AI and reviewed by an expert. If you see any mistakes please file an issue on GitHub at https://github.com/earthcube/communityCollections/issues.",
  "@id": "https://www.chelsa-climate.org/datasets/chelsa_annual#dataset",
  "name": "CHELSA-drought-indices (V2.1)",
  "description": "CHELSA-drought-indices is a dataset that consists of standardized precipitation (SPI) and the standardized precipitation evapotranspiration index (SPEI) and related drought metrics.",
  "url": "https://www.chelsa-climate.org/datasets/chelsa_annual",
  "version": "2.1",
  "creator": {
    "@type": "Organization",
    "@id": "https://www.chelsa-climate.org/#publisher",
    "name": "WSL (Swiss Federal Institute for Forest, Snow and Landscape Research)",
    "url": "https://www.wsl.ch/"
  },
  "publisher": {
    "@type": "Organization",
    "@id": "https://www.chelsa-climate.org/#publisher",
    "name": "WSL (Swiss Federal Institute for Forest, Snow and Landscape Research)",
    "url": "https://www.wsl.ch/"
  },
  "keywords": [
    "CHELSA",
    "drought",
    "SPI",
    "SPEI",
    "drought indices",
    "climate extremes"
  ],
  "variableMeasured": [
    {
      "@type": "PropertyValue",
      "name": "Multiyear Meteorological Drought",
      "alternateName": "mymd",
      "unitText": "id",
      "description": "Identifier for multiyear meteorological drought events.",
      "temporalCoverage": "1980-06-15/2018-07-15",
      "spatialCoverage": {
        "@type": "Place",
        "name": "Global land surface areas",
        "geo": {
          "@type": "GeoShape",
          "box": "-180.0,-60.0 180.0,90.0"
        }
      },
      "temporalResolution": "not detected",
      "spatialResolution": "not detected"
    },
    {
      "@type": "PropertyValue",
      "name": "Multiyear Meteorological Drought at 10 km Resolution",
      "alternateName": "mymd10",
      "unitText": "id",
      "description": "Identifier for multiyear meteorological drought events at 10 km resolution.",
      "temporalCoverage": "1980-06-15/2018-07-15",
      "spatialCoverage": {
        "@type": "Place",
        "name": "Global land surface areas",
        "geo": {
          "@type": "GeoShape",
          "box": "-180.0,-60.0 180.0,90.0"
        }
      },
      "temporalResolution": "not detected",
      "spatialResolution": "not detected"
    },
    {
      "@type": "PropertyValue",
      "name": "Kernel Normalized Difference Vegetation Index Anomaly",
      "alternateName": "qkndvi",
      "unitText": "1",
      "description": "Annual anomaly in vegetation greenness derived from kernel normalized difference vegetation index.",
      "temporalCoverage": "1980-06-15/2018-07-15",
      "spatialCoverage": {
        "@type": "Place",
        "name": "Global land surface areas",
        "geo": {
          "@type": "GeoShape",
          "box": "-180.0,-60.0 180.0,90.0"
        }
      },
      "temporalResolution": "not detected",
      "spatialResolution": "not detected"
    },
    {
      "@type": "PropertyValue",
      "name": "Standardized Precipitation Evapotranspiration Index",
      "alternateName": "spei12",
      "unitText": "1",
      "description": "Standardized climatic water balance index over a 12-month integration period.",
      "temporalCoverage": "1980-06-15/2018-07-15",
      "spatialCoverage": {
        "@type": "Place",
        "name": "Global land surface areas",
        "geo": {
          "@type": "GeoShape",
          "box": "-180.0,-60.0 180.0,90.0"
        }
      },
      "temporalResolution": "not detected",
      "spatialResolution": "not detected"
    },
    {
      "@type": "PropertyValue",
      "name": "Standardized Precipitation Index",
      "alternateName": "spi12",
      "unitText": "1",
      "description": "Standardized precipitation anomaly index over a 12-month integration period.",
      "temporalCoverage": "1980-06-15/2018-07-15",
      "spatialCoverage": {
        "@type": "Place",
        "name": "Global land surface areas",
        "geo": {
          "@type": "GeoShape",
          "box": "-180.0,-60.0 180.0,90.0"
        }
      },
      "temporalResolution": "not detected",
      "spatialResolution": "not detected"
    }
  ],
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "encodingFormat": [
    "image/tiff",
    "application=geotiff",
    "profile=cloud-optimized",
    "COG"
  ],
  "distribution": [
    {
      "@type": "DataDownload",
      "name": "CHELSA-drought-indices downloads (COG)",
      "description": "Download portal for CHELSA drought indices.",
      "contentUrl": "https://envicloud.wsl.ch/#/?bucket=https%3A%2F%2Fos.unil.cloud.switch.ch%2Fchelsa02%2F&prefix=chelsa%2Fglobal%2Fannual%2F",
      "encodingFormat": [
        "image/tiff",
        "application=geotiff",
        "profile=cloud-optimized"
      ]
    }
  ],
  "citation": [
    {
      "@type": "ScholarlyArticle",
      "name": "Global increase in the occurrence and impact of megadroughts",
      "author": [
        {
          "@type": "Person",
          "name": "L. Chen"
        },
        {
          "@type": "Person",
          "name": "P. Brun"
        },
        {
          "@type": "Person",
          "name": "P. Buri"
        },
        {
          "@type": "Person",
          "name": "S. Fatichi"
        },
        {
          "@type": "Person",
          "name": "A. Gessler"
        },
        {
          "@type": "Person",
          "name": "M. J. McCarthy"
        },
        {
          "@type": "Person",
          "name": "F. Pelicciotti"
        },
        {
          "@type": "Person",
          "name": "B. Stocker"
        },
        {
          "@type": "Person",
          "name": "D. N. Karger"
        }
      ],
      "datePublished": "2025",
      "isPartOf": {
        "@type": "Periodical",
        "name": "Science"
      },
      "identifier": {
        "@type": "PropertyValue",
        "propertyID": "doi",
        "value": "10.1126/science.ado4245"
      },
      "sameAs": "https://doi.org/10.1126/science.ado4245"
    },
    {
      "@type": "Dataset",
      "name": "High resolution global standardized drought indices",
      "author": [
        {
          "@type": "Person",
          "name": "L. Chen"
        },
        {
          "@type": "Person",
          "name": "P. Brun"
        },
        {
          "@type": "Person",
          "name": "P. Buri"
        },
        {
          "@type": "Person",
          "name": "S. Fatichi"
        },
        {
          "@type": "Person",
          "name": "A. Gessler"
        },
        {
          "@type": "Person",
          "name": "M. J. McCarthy"
        },
        {
          "@type": "Person",
          "name": "F. Pelicciotti"
        },
        {
          "@type": "Person",
          "name": "B. Stocker"
        },
        {
          "@type": "Person",
          "name": "D. N. Karger"
        }
      ],
      "publisher": {
        "@type": "Organization",
        "name": "EnviDat"
      },
      "datePublished": "2024",
      "identifier": {
        "@type": "PropertyValue",
        "propertyID": "doi",
        "value": "10.16904/envidat.530"
      },
      "sameAs": "https://doi.org/10.16904/envidat.530"
    }
  ],
  "about": [
    {
      "@type": "Thing",
      "name": "Drought"
    },
    {
      "@type": "Thing",
      "name": "Climate risk"
    }
  ]
}