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Reference TypeConference Paper (Conference Proceedings)
Holder Codeisadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S
Last Update2011: administrator
Metadata Last Update2021: administrator
ISBN978-85-17-00056-0 (Internet)
978-85-17-00057-7 (DVD)
Citation KeyJesusSetzMore:2011:VaFoQu
TitleValidação de focos de queimadas no Cerrado em imagens TM/Landsat-5
FormatDVD, Internet.
Date30 abr. - 5 maio 2011
Access Date2021, Jan. 19
Number of Files1
Size397 KiB
Context area
Author1 Jesus, Silvia Cristina de
2 Setzer, Alberto Waingort
3 Morelli, Fabiano
Resume Identifier1
Affiliation1 Instituto Nacional de Pesquisas Espaciais - INPE
2 Instituto Nacional de Pesquisas Espaciais - INPE
3 Instituto Nacional de Pesquisas Espaciais - INPE
Author e-Mail Address1
EditorEpiphanio, José Carlos Neves
Galvão, Lênio Soares
Conference NameSimpósio Brasileiro de Sensoriamento Remoto, 15 (SBSR).
Conference LocationCuritiba
Book TitleAnais
PublisherInstituto Nacional de Pesquisas Espaciais (INPE)
Publisher CitySão José dos Campos
Secondary TypePRE CN
OrganizationInstituto Nacional de Pesquisas Espaciais (INPE)
History2011-08-15 15:17:48 :: -> administrator :: 2011
2021-01-03 02:14:31 :: administrator -> :: 2011
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Keywordsvegetation fires, satellite monitoring, fire detection, queima de vegetação, monitoramento com satélites, detecção de fogo.
AbstractVegetation fires in South America are operationally monitored by INPE in images from distinct polar and geostationary satellites. Fundamental in this system is to ascertain the fire pixel data concerning omission and commission errors in order to determine their effective use in fire control, statistics, and policies, and in derived products as estimates of biomass burning emissions. In this paper the INPE-generated fire pixels are verified against fire scars manually mapped in TM/Landsat-5 images during 40 days in the area of the National Park of Serra da Canastra, MG, on Sept-Oct/2007. The 8,650 km2 analized belong to the Cerrado/Savanna biome, which in the last decades has undergone anthropic stress with intensive fire use. 442 INPE fire pixels and 395 scars were obtained. If the location accuracy allows for a deviation up to the maximum pixel size (~3km for MODIS, ~4km for AVHRR, ~5km for GOES and ~7km for Meteosat), omission errors were 20% and commission errors were negligible. Image navigation errors of a few kilometers in geolocation which may occur in the images also contribute to this deviation. A comparison between the MODIS fire detections using the INPE and the NASA/UMD Collection 5 algorithms is also included, with the latter producing more and better located fire pixels. Recommendations for future algorithms are: pixel size (i.e., scanning angle) inclusion to indicate the fire nominal accuracy, and the use of topography data in conjunction to the sensor scanning angle and direction to analyze missed detections in steep mountain slopes.
TypeQueimadas, Riscos Ambientais e Poluição
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Next Higher Units8JMKD3MGPCW/3ER446E
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