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		<isbn>978-85-17-00066-9 (Internet)</isbn>
		<isbn>978-85-17-00065-2 (DVD)</isbn>
		<label>1331</label>
		<citationkey>SilvaMontGalvOliv:2013:DeFlRa</citationkey>
		<title>Determinação de fluxos radiativos em áreas heterogêneas no estado de São Paulo com imagens TM-Landsat 5</title>
		<format>DVD, Internet.</format>
		<year>2013</year>
		<secondarytype>PRE CN</secondarytype>
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		<size>1052 KiB</size>
		<author>Silva, Bernardo Barbosa da,</author>
		<author>Montenegro, Suzana Maria Gico Lima,</author>
		<author>Galvíncio, Josiclêda Domiciano,</author>
		<author>Oliveira, Leidjane Maria Maciel de,</author>
		<electronicmailaddress>bbdasilva.ufpe@gmail.com</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>6487-6494</pages>
		<booktitle>Anais</booktitle>
		<organization>Instituto Nacional de Pesquisas Espaciais (INPE)</organization>
		<transferableflag>1</transferableflag>
		<abstract>Remote sensing allows changes detection that occurs on Earth resulting from natural and/or anthropic phenomenon, many of which can be diagnosed through radiation balance. In this regard, the present study aims to determine the surface radiation balance using TM-Landsat 5 images, in the Mogi-Guaçu watershed - São Paulo state (Brazil), and complementary data collected from two point of the selected area. Ten TM images were selected from 2005 year: nine were totally unclouded and one presented intense cloudiness. The results were validated with surface measurements of two micrometerological towers installed inside the studied area. Instantaneous net radiation varied between 100 and 760 Wm-2, with prevalence of values ranging from 457 to 760.0 Wm-2 in the months with higher solar radiation, remarkably in the most densely covered by vegetation zones (eucalyptus plantations, and primary native vegetation). Daily net radiation - Rn, 24h presented values between 28 and 98 Wm-2 (June) and between 83 and 264 Wm-2 (November). The model used to compute Rn, 24h was capable to generate values very close to the measured on surface, even in very cloudy days. The Absolute Median Error, the Relative Median Error and the Median Quadratic Error Root, associated to Rn,24h computation were: 8.3 Wm-2 , 8.4 % and 10.4 Wm-2, respectively, showing the importance and precision of the technique used.</abstract>
		<area>SRE</area>
		<type>Monitoramento e Modelagem Ambiental</type>
		<language>pt</language>
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