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		<isbn>978-85-17-00066-9 (Internet)</isbn>
		<isbn>978-85-17-00065-2 (DVD)</isbn>
		<label>1386</label>
		<citationkey>LibonatiSetzMoreDaCa:2013:ApReJa</citationkey>
		<title>Algoritmo automático de detecção de áreas queimadas em imagens MODIS - aplicação na região do Jalapão, TO</title>
		<format>DVD, Internet.</format>
		<year>2013</year>
		<secondarytype>PRE CN</secondarytype>
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		<size>248 KiB</size>
		<author>Libonati, Renata,</author>
		<author>Setzer, Alberto Waingort,</author>
		<author>Morelli, Fabiano,</author>
		<author>DaCamara, Carlos,</author>
		<resumeid></resumeid>
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		<group>DSA-CPT-INPE-MCTI-GOV-BR</group>
		<group>DSA-CPT-INPE-MCTI-GOV-BR</group>
		<affiliation></affiliation>
		<affiliation>Instituto Nacional de Pesquisas Espaciais (INPE)</affiliation>
		<affiliation>Instituto Nacional de Pesquisas Espaciais (INPE)</affiliation>
		<electronicmailaddress>renata.libonati@cptec.inpe.br</electronicmailaddress>
		<editor>Epiphanio, José Carlos Neves,</editor>
		<editor>Galvão, Lênio Soares,</editor>
		<e-mailaddress>wanderf@dsr.inpe.br</e-mailaddress>
		<conferencename>Simpósio Brasileiro de Sensoriamento Remoto, 16 (SBSR)</conferencename>
		<conferencelocation>Foz do Iguaçu</conferencelocation>
		<date>13-18 abr. 2013</date>
		<publisher>Instituto Nacional de Pesquisas Espaciais (INPE)</publisher>
		<publisheraddress>São José dos Campos</publisheraddress>
		<pages>6901-6908</pages>
		<booktitle>Anais</booktitle>
		<organization>Instituto Nacional de Pesquisas Espaciais (INPE)</organization>
		<transferableflag>1</transferableflag>
		<abstract>This paper presents a procedure to detect burned areas based on 1km Moderate Resolution Imaging Spectroradiometer (MODIS) imagery onboard the TERRA and AQUA satellites. The method uses channels 2 (near-infrared  NIR, centered at 0,856 µm) and 20 (middle-infrared  MIR, centered at 3.96 µm), together with information of active fires detected by INPEs monitoring system. Monthly composites of the V,W burned index with fixed and relative thresholds derived from the pixels in the neighborhood of burned areas are applied. An overview is provided for the results obtained in 2005 for a Cerrado (savanna) region over Parque Nacional do Jalapão, in the east of Tocantins, regarding the spatial and temporal distribution of burned areas. The accuracy assessment was performed using burned area maps derived from medium-resolution (30 m) Landsat imagery and a comparison between our algorithm and the NASA/MODIS burned area product MCD45 was also evaluated. The INPE-MODIS quantification of the burned area extent is in agreement within 10% with that of scars derived from Landsat images; for instance the total amount of burned area in the region of study detected by our algorithm was about 2208 km2, while the scars detected by Landsat images totalized 2082 km2. The NASA MODIS mCD45 product was off by more than 40%. As expected, mapped burned areas in general showed a good agreement in terms of spatial distribution with actives fires.</abstract>
		<area>SRE</area>
		<type>Monitoramento e Modelagem Ambiental</type>
		<language>pt</language>
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