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		<isbn>978-85-17-00088-1</isbn>
		<label>59254</label>
		<citationkey>CarvalhoMarLobBarNov:2017:CaLaGr</citationkey>
		<title>Investigating empirical models to retrieve the backscattering slope from Landsat 8 Images - The case of Lago Grande Curuai</title>
		<format>Internet</format>
		<year>2017</year>
		<secondarytype>PRE CN</secondarytype>
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		<author>Carvalho, Lino Augusto Sander de,</author>
		<author>Martins, Vitor Souza,</author>
		<author>Lobo, Felipe de Lucia,</author>
		<author>Barbosa, Cláudio Clemente Faria,</author>
		<author>Novo, Evlyn Márcia Leão de Moraes,</author>
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		<group>DIDSR-CGOBT-INPE-MCTIC-GOV-BR</group>
		<affiliation></affiliation>
		<affiliation></affiliation>
		<affiliation></affiliation>
		<affiliation>Instituto Nacional de Pesquisas Espaciais (INPE)</affiliation>
		<affiliation>Instituto Nacional de Pesquisas Espaciais (INPE)</affiliation>
		<electronicmailaddress>lino.sander@gmail.com</electronicmailaddress>
		<editor>Gherardi, Douglas Francisco Marcolino,</editor>
		<editor>Aragão, Luiz Eduardo Oliveira e Cruz de,</editor>
		<e-mailaddress>daniela.seki@inpe.br</e-mailaddress>
		<conferencename>Simpósio Brasileiro de Sensoriamento Remoto, 18 (SBSR)</conferencename>
		<conferencelocation>Santos</conferencelocation>
		<date>28-31 maio 2017</date>
		<publisher>Instituto Nacional de Pesquisas Espaciais (INPE)</publisher>
		<publisheraddress>São José dos Campos</publisheraddress>
		<pages>2067-2074</pages>
		<booktitle>Anais</booktitle>
		<organization>Instituto Nacional de Pesquisas Espaciais (INPE)</organization>
		<transferableflag>1</transferableflag>
		<abstract>This paper aims on the investigation of well-established models to retrieve the backscattering slope &#947;bbp from remote sensing images applied to a particular Amazon floodplain lake, named Curuai Lake. Lee, Carder e Arnone (2002) &#947;bbp model and its derivation, Pan et al. (2015) model, were applied to measured Remote Sensing Reflectance and retrieved bbp was compared to measured bbp taken in two distinct hydrological periods: receding and rising water periods (August 2013 and April 2014). Also, an empirical model, based on Lee, Carder e Arnone (2002) approach, was derived from a nonlinear fittingto the measured dataset, considering only Landsat 8 bands combination. Lee, Carder e Arnone (2002)and Pan et al. (2015) models were not suitable to retrieve backscattering slope in Curuai Lake whistthe empirical model using bands B4(655)/B5(865) presented the best result considering both hydrologicalperiods and was therefore applied to Landsat 8 images acquired in August 2013 and April 2014. Thequalitative inspection of both images reveal consistent backscattering slope retrievals which, with furtheranalysis, could lead to a suitable proxy for particle size in Curuai Lake.</abstract>
		<area>SRE</area>
		<type>Sensoriamento remoto de águas interiores</type>
		<language>en</language>
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