{
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  "releasedDate": "2026-08-28",
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      "48",
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    ],
    "period": "2020-2022",
    "rowCount": 4,
    "boundaryEdition": "statcan-2021-provinces-territories-cbf"
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  "methodVersion": "phase8-province-bulk-download-v2",
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    "admissionRecord": {
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    },
    "zonalEvidence": {
      "path": "data/phase2-v21-province-zonal-pilot-evidence.json",
      "sha256": "4fb0efc6ec984025e91f0124e0347a2f0a08673ed1f606ba318c9ca732f5ce62",
      "sidecarRelativePath": "derived/phase2-v21-zonal-province-2021-cbf-v5/province-2020-2022.sidecar.json",
      "sidecarSha256": "20894a732a762fdbfd618e35f2b8934028727e6207ac9846732d9899e501c50c"
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      "relativePath": "derived/phase8-province-map-geojson-v1/101561ed48f511a3e65676fa084ee517c4fa722e14f4a3c844c698b247238505/manifest.json",
      "sha256": "47d4c6aad0400810e6233d83b53b560df9056e8168ed2b1e4c566d425e5969e4",
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  "geometryTransform": {
    "source": "display_geometry_sha256",
    "operation": "OGR -makevalid with PROMOTE_TO_MULTI",
    "displayOnly": true,
    "parentSimplifyToleranceMetres": 5000,
    "minimumExteriorRingAreaSquareDegrees": 0.001,
    "smallIslandsOmitted": true,
    "gdalVersion": "GDAL 3.13.2 \"Iowa City\", released 2026/07/20",
    "fixedGpkgTimestamp": "2000-01-01T00:00:00.000Z",
    "outputFeatureCount": 4,
    "allOutputGeometriesValid": true,
    "allOutputGeometriesNonEmpty": true,
    "outputGeometryType": "MULTIPOLYGON"
  },
  "modificationNotice": {
    "en": "Witness Tree selected the admitted 2020-2022 province-level aggregate rows for Quebec, Ontario, Alberta, and British Columbia; joined them to simplified Statistics Canada 2021 display boundaries; omitted islands below the recorded display-area threshold; repaired polygon validity with GDAL; promoted the result to multipolygon geometry; and wrote deterministic CSV and GeoPackage files. The values remain province-level aggregates and are not per-cell forest-loss geometry.",
    "fr": "Witness Tree a sélectionné les lignes agrégées admises de 2020 à 2022 pour le Québec, l’Ontario, l’Alberta et la Colombie-Britannique; les a jointes aux limites d’affichage simplifiées de Statistique Canada de 2021; a omis les îles sous le seuil de superficie d’affichage consigné; a réparé la validité des polygones avec GDAL; a converti le résultat en géométrie multipolygone; et a produit des fichiers CSV et GeoPackage déterministes. Les valeurs demeurent des agrégats provinciaux et ne constituent pas une géométrie de perte de forêt par cellule."
  },
  "artifacts": {
    "csv": {
      "fileName": "phase2-province-loss-2020-2022.csv",
      "byteLength": 1786,
      "sha256": "a11fe16f3b6872b8928b13fc0eb62e19a7c8d1f6131f94eceffe76d89f23b1dd",
      "contentType": "text/csv; charset=utf-8",
      "publicUrl": "https://d3g1406o0uekin.cloudfront.net/releases/phase8-bulk-download-v1/316af633de6a259554a79f46653481b5876ebed3be749e78b700e4aeeea0ee1f/downloads/phase2-province-loss-2020-2022.csv"
    },
    "geopackage": {
      "fileName": "phase2-province-loss-2020-2022.gpkg",
      "byteLength": 303104,
      "sha256": "d5d8bb2b3eb92145277ffe5cf06387fd4d9705997c1b808c5975ec86e4db2b7a",
      "contentType": "application/geopackage+sqlite3",
      "layer": "phase2_province_loss_2020_2022",
      "fixedTimestamp": "2000-01-01T00:00:00.000Z",
      "publicUrl": "https://d3g1406o0uekin.cloudfront.net/releases/phase8-bulk-download-v1/316af633de6a259554a79f46653481b5876ebed3be749e78b700e4aeeea0ee1f/downloads/phase2-province-loss-2020-2022.gpkg"
    }
  },
  "licences": [
    {
      "id": "statcan-open-licence",
      "name": "Statistics Canada Open Licence",
      "version": "unversioned; page last modified 2025-07-10",
      "url": "https://www.statcan.gc.ca/en/reference/licence",
      "publisher": "Statistics Canada",
      "appliesTo": "boundary geometry",
      "redistributionStatus": "allowed with source acknowledgement and no implied endorsement",
      "requiredAttribution": "Adapted from Statistics Canada, 2021 Census Province/Territory Cartographic Boundary File, reference date January 1, 2021. This does not constitute an endorsement by Statistics Canada of this product."
    },
    {
      "id": "ogl-canada-2.0",
      "name": "Open Government Licence - Canada",
      "version": "2.0",
      "url": "https://open.canada.ca/en/open-government-licence-canada",
      "publisher": "Natural Resources Canada",
      "appliesTo": "NRCan NTEMS-derived forest-change values",
      "redistributionStatus": "allowed subject to licence requirements and exclusions",
      "requiredAttribution": {
        "en": "Contains information licensed under the Open Government Licence - Canada. Adapted from Natural Resources Canada, Annual High-resolution forest land cover for Canada (1984-2022). This does not constitute an endorsement by Natural Resources Canada.",
        "fr": "Contient des informations octroyées sous licence en vertu de la Licence du gouvernement ouvert - Canada. Adapté de Ressources naturelles Canada, Couverture terrestre annuelle à haute résolution des forêts du Canada (1984-2022). Cela ne constitue pas une approbation de Ressources naturelles Canada."
      }
    }
  ],
  "sources": [
    {
      "id": "statcan-2021-provinces-territories-cbf",
      "publisher": "Statistics Canada",
      "datasetTitle": "2021 Census Province/Territory Cartographic Boundary File",
      "edition": "2021 Census, Cartographic Boundary File, ArcGIS Shapefile, English",
      "referenceDate": "2021-01-01",
      "retrievedAt": "2026-08-12T16:26:00Z",
      "catalogueUrl": "https://www150.statcan.gc.ca/n1/en/catalogue/92-160-X",
      "sourceUrl": "https://www12.statcan.gc.ca/census-recensement/2021/geo/sip-pis/boundary-limites/files-fichiers/lpr_000b21a_e.zip",
      "sourceSha256": "d28bbb15d7b49e3d1828755a5f1b4ebcee699ad70efe8b0f1b902d29ebffd20b"
    },
    {
      "id": "ntems-annual-land-cover",
      "publisher": "Natural Resources Canada",
      "datasetTitle": "Annual High-resolution forest land cover for Canada (1984-2022)",
      "edition": "annual 2020-2022 derived interval",
      "referenceDate": "2022-01-01",
      "retrievedAt": "2026-08-14T00:00:00Z",
      "catalogueUrl": "https://open.canada.ca/data/en/dataset/2785c103-9c2d-429b-9f3d-89f5cd9ea94d",
      "sourceUrl": "https://opendata.nfis.org/downloads/forest_change/CA_forest_VLCE2_{YEAR}.zip",
      "aggregateSha256": "ff1589029f30800021b52d9aa736b9aa9e122df70e3070d19a68f7aa45d9a16d"
    }
  ],
  "authorization": {
    "path": "data/phase8-bulk-download-owner-authorization-v2-2026-08-28.json",
    "sha256": "a328aa5f2bc604b7c605bac3d0ba5a18883f59639235a18abe387b57c45bce90",
    "status": "owner-authorized-bounded-public-release",
    "supersession": {
      "decision": "supersede-for-this-exact-bounded-release",
      "priorAdmissionRecord": {
        "path": "data/phase2-admission-record-2026-08-26.json",
        "sha256": "58147c088d12190f8882d0c493364cd07cf7c176d4fafbc266421bf337ca7d82",
        "priorScope": "no-release-or-production-admission"
      },
      "scope": "The earlier no-release restriction is superseded only for the exact artifacts, manifest, release identifier, and technical-preview claim limits in this record. The earlier record remains unmodified historical evidence.",
      "doesNotCompletePhase2FormalGate": true,
      "doesNotAuthorizeGeneralProductionLaunch": true
    }
  },
  "citation": {
    "en": "Witness Tree. Province forest-loss technical preview, 2020-2022. Release 316af633de6a259554a79f46653481b5876ebed3be749e78b700e4aeeea0ee1f. Statistics Canada 2021 province and territory cartographic boundaries; method phase8-province-bulk-download-v2.",
    "fr": "Witness Tree. Aperçu technique de la perte de forêt par province, 2020-2022. Version 316af633de6a259554a79f46653481b5876ebed3be749e78b700e4aeeea0ee1f. Limites cartographiques des provinces et territoires de Statistique Canada de 2021; méthode phase8-province-bulk-download-v2."
  },
  "claims": {
    "deterministicRegenerationVerified": true,
    "technicalPreviewEligible": true,
    "phase2ProductionGateComplete": false,
    "perCellGeometryMaterialized": false,
    "displayOnlyGeometry": true
  },
  "claimLimit": "This four-province bulk release is a technical preview of province-level 2020-2022 aggregates. It is not per-cell forest-loss geometry and does not complete the formal Phase 2 production gate.",
  "claimLimitFr": "Cette version en bloc pour quatre provinces est un aperçu technique des agrégats provinciaux de 2020 à 2022. Elle ne représente pas une géométrie de perte de forêt par cellule et ne satisfait pas au critère formel de la phase 2."
}