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		<isbn>978-85-17-00056-0 (Internet)</isbn>
		<isbn>978-85-17-00057-7 (DVD)</isbn>
		<citationkey>SilvaSantSilv:2011:AnMuMu</citationkey>
		<title>Análise Multitemporal de Mudanças nas Ilhas Costeiras do Estado do Amapá Aplicando Dados de Sensores Remotos</title>
		<format>DVD, Internet.</format>
		<year>2011</year>
		<secondarytype>PRE CN</secondarytype>
		<numberoffiles>1</numberoffiles>
		<size>397 KiB</size>
		<author>Silva, Marta Vieira da,</author>
		<author>Santos, Valdenira Ferreira dos,</author>
		<author>Silveira, Odete Fátima Machado da,</author>
		<affiliation>Instituto de Pesquisas Científicas e Tecnológicas do Estado do Amapá</affiliation>
		<affiliation>Instituto de Pesquisas Científicas e Tecnológicas do Estado do Amapá</affiliation>
		<affiliation>Universidade Federal do Pará - UFPA</affiliation>
		<electronicmailaddress>mvsilva.ap@hotmail.com</electronicmailaddress>
		<electronicmailaddress>valdenira.ferreira@iepa.ap.gov.br</electronicmailaddress>
		<electronicmailaddress>silveira@ufpa.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, 15 (SBSR).</conferencename>
		<conferencelocation>Curitiba</conferencelocation>
		<date>30 abr. - 5 maio 2011</date>
		<publisher>Instituto Nacional de Pesquisas Espaciais (INPE)</publisher>
		<publisheraddress>São José dos Campos</publisheraddress>
		<pages>8614-8622</pages>
		<booktitle>Anais</booktitle>
		<organization>Instituto Nacional de Pesquisas Espaciais (INPE)</organization>
		<transferableflag>1</transferableflag>
		<keywords>coastal islands, coastal process, remote sensing, ilhas costeiras, processos costeiros, sensoriamento remoto.</keywords>
		<abstract>A multitemporal analysis based on mosaics of optical and radar sensors representing the period of 36 years (1972-2008) were used to quantify the area changes in the coastal islands at the Amapá State littoral. The mosaics were built from: RadarGems 1000 images, band X, from RADAMBRASIL project; CIRCA data from 1999 and 2000 from Global Land Cover Facility and a LANDSAT TM5 mosaic elaborated by SIPAM. The mosaics were registered among each other based on the CIRCA data 2000. The coastline was extracted on hand using as a geoindicator of changes in the coastline marker, the boundary between the vegetation and the water (or intertidal zone). The results presented accretionary, erosional and migration patterns of the coastal islands, according its geographical positioning at the littoral, and, according the natural environmental constraints. The islands under marine influence as Maraca and Jipioca the erosional processes predominate with a 2.7 km (± 0,0769 km) maximum linear erosion between 1972 and 2008 northward Maraca Island. The coastal islands under fluvial-estuarine influence as the islands belonging to the Bailique Archipelago, Pedreiras, Santana, Periquitos and Cajari the accretionary processes dominate with a maximum 9,8 km (± 0,0769 km) between 1972 and 2008. Natural hydrodynamic and oceanographic factors are considered as the main dynamic responsible by changes in the coastal islands.</abstract>
		<area>SRE</area>
		<type>Oceanografia e Gerenciamento Costeiro</type>
		<language>pt</language>
		<targetfile>p1532.pdf</targetfile>
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		<url>http://marte.sid.inpe.br/rep-/dpi.inpe.br/marte/2011/07.20.14.07</url>
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