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MapBiomas Alerta

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Brazilian deforestation alert validation and refinement system operated by the MapBiomas coalition. Aggregates alerts from multiple monitoring platforms (DETER, SADs, GLAD, SIRAD-X) across all six Brazilian biomes, then validates and refines each event using PlanetScope satellite imagery at 3.7 m resolution via Google Earth Engine. Publishes weekly validated alert polygons with before-and-after imagery, pressure-vector attribution, and property-level reports searchable by CAR (Cadastro Ambiental Rural) code. Monitoring period January 2019 to present. Operationally distinct from the annual MapBiomas land-cover collection: Alerta detects discrete native vegetation loss events rather than classifying full landscapes. Coordinated by the same MapBiomas coalition (co-creators include LAPIG, Imazon, IPAM, SOS Mata Atlantica, UFRGS, and approximately 14 further universities and NGOs); technical collaborators include IDS, The Nature Conservancy, Imaflora, ISA, and WWF. INPE contributes data feeds and participates in the Scientific Advisory Committee but does not operate Alerta.

MapBiomas Alerta is a Brazilian deforestation-alert validation and refinement service operated by the MapBiomas coalition across the six Brazilian biomes.^[1] It aggregates alerts from monitoring systems including DETER, SAD, GLAD, and SIRAD-X, then validates and refines events with PlanetScope imagery in Google Earth Engine.^[2] The methodology uses analyst validation, false-positive rejection, and supervised Random Forest boundary refinement from high-resolution before-and-after image pairs.^[2] Published outputs include validated alert polygons, before-and-after imagery, pressure-vector attribution, and property-level reports linked to rural property and protected-area overlays.^[2]^[1] The platform provides API access for alert retrieval and integration, alongside web downloads and GIS workflows for downstream users.^[3]^[1]

Operator pricing

Pricing not publicly listed by operator

Supply chain position

addresses Deforestation

Sources

[1]MapBiomas Alerta English overviewoperator marketing2026-05-25
[2]Metodo MapBiomas Alertaoperator engineering2026-05-25
[3]MapBiomas Alerta API pageoperator engineering2026-05-25

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MapBiomas Alerta. EO-Atlas, SpectraWorks B.V. https://eo-atlas.org/products/analysis-service/mapbiomas-alerta (CC BY 4.0)

BibTeX

@misc{eoatlas:products:analysis-service:mapbiomas-alerta,
  title = {MapBiomas Alerta},
  author = {{EO-Atlas}},
  publisher = {SpectraWorks B.V.},
  note = {CC BY 4.0},
  url = {https://eo-atlas.org/products/analysis-service/mapbiomas-alerta}
}