Using ALOS images to support the protection of the ... · the Brazilian Amazonia and combat illegal...
Transcript of Using ALOS images to support the protection of the ... · the Brazilian Amazonia and combat illegal...
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Using ALOS images to Using ALOS images to support the protection of support the protection of
the Brazilian Amazonia and the Brazilian Amazonia and combat illegal deforestation combat illegal deforestation
CSR/IBAMACSR/IBAMATokyo
January 2011
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INDICAR INDICAR Indicator of deforestation by radar Indicator of deforestation by radar
imagesimages• Project developed by CSR/IBAMA
• Uses radar images of ALOS PALSAR
• Detection of deforestation under cloud cover
• Complement to DETER system
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MethodologyMethodology• Uses ScanSAR images with 100-m resolution
• Multitemporal compositions
• Mask previous PRODES & DETER polygons
• Polygons delineation and validationwith optical images (and few field campaigns)
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+ =
Cycle 24Path 439
Cycle 26Path 439
Composition
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JAXA´s pre-processedScanSAR images
Mosaics of different cycles
Visual Interpretation(polygon extraction)
Products:IndicativesKmlLogistic mapsGPs points
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kmlkml
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GPS PointsGPS Points
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IndicativeIndicativeddocument of ocument of deforestation by deforestation by INDICARINDICAR
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INDICAR Web PageINDICAR Web Page
http://siscom.ibama.gov.br/cemam/indicar
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Results of INDICAR July 2010 Results of INDICAR July 2010 (cycles 35(cycles 35--37)37)
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INDICAR field resultsINDICAR field results
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Updated INDICAR resultsUpdated INDICAR results
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Now, with INDICAR system, Brazilian Amazon region can be monitored in all seasons of the year
More than 2,000 polygons already detected by INDICAR
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Forest deforestation prevention Forest deforestation prevention airplane and the pilot!!airplane and the pilot!!