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		<isbn>978-85-17-00088-1</isbn>
		<label>60095</label>
		<citationkey>AlmeidaJrSouSilSanMon:2017:AnCoPr</citationkey>
		<title>Análise comparativa dos produtos derivados das variáveis geomorfométricas dos algoritmos SAGA/GIS e ArcGIS</title>
		<format>Internet</format>
		<year>2017</year>
		<secondarytype>PRE CN</secondarytype>
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		<size>1010 KiB</size>
		<author>Almeida Junior, Vitor Hugo de,</author>
		<author>Souza, Fernando Ragner Moreira,</author>
		<author>Silva, Ricardo Vieira da,</author>
		<author>Santos, Orion Maldaner,</author>
		<author>Monguilhott, Michele,</author>
		<electronicmailaddress>vitorhugo.jr@hotmail.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>7867-7874</pages>
		<booktitle>Anais</booktitle>
		<organization>Instituto Nacional de Pesquisas Espaciais (INPE)</organization>
		<transferableflag>1</transferableflag>
		<abstract>The present work searches for a better comprehension of products originated from algorithms applicablein geographic modeling. The algorithms explored in this research aim to compare morphometrics variablesgenerate from hydrologically consistent DEMHC model. These algorithms manage DEM from SRTM images forautomatic generation of basins, sub-basins and micro basins, to test it reliability, precision, efficiency andpotentiality. Bases derived from Saga GIS and Hydrology represent the topologically consistent drainage surface.For the city of Santiago, RS, two SRTM scenes, 28s555 and 29s555, with 30 (thirty) meters of spatial resolutionand its valleys corrected by the Topodata INPE database, were used. The algorithms used on the research werefrom the Hydrology tool, deriving out of ArcGIS® v10.2.2 software. The Terrain Analysis algorithms were fromthe open source provider SAGA/GIS, emulated on QGIS v2.8.9 software, for watershed and hydrologicallyconsistent data generation. The variables applied to compare those algorithms were drainage surface area andperimeter and morphometric variables. The variables derived from the algorithms, preserved the hydrologicalconsistence of the information, however with slights differences between the analyzed variables.</abstract>
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		<language>pt</language>
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