{
  "code": "DO",
  "name": "Dominican Republic",
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  "period": {
    "start_inclusive": "2026-01-01",
    "end_exclusive": "2026-10-01"
  },
  "source_acquisition_date_range": {
    "first": "2026-01-02",
    "last": "2026-09-26",
    "distinct_dates": 111
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  "source_image_count": 864,
  "source_ids_url": "/evidence/2026/DO-source-ids.json",
  "source_ids_sha256": "5476312e82bb189ac8db7a3ebda383274b927db800a6f49d87030fdeb14ac888",
  "source_ids_file_sha256": "adb7b573ed304d33312be6d1f7fbc20c6afc631de10e6479c9d35c93593513c0",
  "source_dataset": "COPERNICUS/S2_SR_HARMONIZED",
  "source_catalog_url": "https://developers.google.com/earth-engine/datasets/catalog/COPERNICUS_S2_SR_HARMONIZED",
  "boundary": {
    "dataset": "FAO/GAUL/2015/level0",
    "ADM0_NAME": "Dominican Republic",
    "ADM0_CODE": 72,
    "boundary_year": 2015,
    "legal_boundary_validation": false
  },
  "method": {
    "rgb_composite": "Per-band temporal median of scaled cloud-screened surface reflectance; a January\u2013September composite, not one acquisition.",
    "ndvi_composite": "Median of per-scene (B8-B4)/(B8+B4), evaluated after the same cloud and historical land masks.",
    "cloud_scene_filter": "Pinned source list previously selected using CLOUDY_PIXEL_PERCENTAGE < 50",
    "scl_excluded": [
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      1,
      3,
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      9,
      10,
      11
    ],
    "land_mask": "ESA/WorldCover/v200 2021, excluding classes 0 and 80; no implication of current use or availability.",
    "native_band_resolution_m": {
      "B2": 10,
      "B3": 10,
      "B4": 10,
      "B8": 10,
      "SCL": 20
    },
    "display": "Rendered country UTM overviews have a 1000\u20131200-pixel long side. Per-country dimensions, affine transform and metres per display pixel are authoritative. Original bands are sampled to this overview grid; it is not a native-resolution export or a replacement for the separate 1 km statistical grid.",
    "resampling": "Earth Engine default nearest-neighbour sampling on the declared output grid",
    "nodata": "Transparent alpha outside the selected country/land domain or where no valid composite value exists; blank areas are not vacant land.",
    "statistics_reference_grid_m": 1000,
    "land_availability_established": false,
    "classification_accuracy_established": false,
    "valid_pixel_mask": "Common valid B2/B3/B4/B8 mask and nonzero B8+B4, in addition to SCL exclusions and the historical land mask; shared by both displayed products.",
    "tiled_rendering": "Where a whole-image request exceeds memory, exact projected output-grid subrectangles of at most 500\u00d7500 pixels are rendered separately and copied into their original pixel positions, without resizing or interpolation. The image record lists the strategy and each tile."
  },
  "provenance_url": "/evidence/2026/DO-provenance.json",
  "notes": [
    "A temporal median of observations in January\u2013September 2026, not a single-date photograph.",
    "RGB and NDVI use identical bounds, display grid and valid-pixel masks. Higher NDVI indicates greater spectral greenness, not crop identity, yield, land vacancy or suitability.",
    "Transparent pixels represent the selected boundary/land mask or missing valid observations, not proof of absent vegetation.",
    "The overview grid is for display. The published numerical screening uses a separate 1 km grid; do not extract hectares or availability from these coloured pixels.",
    "Cloud and shadow masking can leave residual haze or remove valid surfaces. Native 10 m source bands do not make the overview a 10 m product."
  ],
  "pair_alpha_masks_identical": true,
  "elapsed_seconds": 127.07
}