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dc.contributor.authorMinhoni, Renata Teixeira De Almeida [UNESP]
dc.contributor.authorPinheiro, Mírian Paula Medeiros André [UNESP]
dc.contributor.authorFilgueiras, Roberto
dc.contributor.authorZimback, Célia Regina Lopes [UNESP]
dc.date.accessioned2018-12-11T17:34:17Z
dc.date.available2018-12-11T17:34:17Z
dc.date.issued2017-04-01
dc.identifierhttp://dx.doi.org/10.15809/irriga.2017v22n2p330-342
dc.identifier.citationIRRIGA, v. 22, n. 2, p. 330-342, 2017.
dc.identifier.issn1808-3765
dc.identifier.issn1413-7895
dc.identifier.urihttp://hdl.handle.net/11449/179226
dc.description.abstractAquatic macrophytes are photosynthetic organisms, large enough to be seen with naked eye, which grow submerged, floating or on the surface of the water. The anthropic action in the damming of water bodies has caused eutrophication of water resources, and among the imbalances that this action generates in the aquatic environment is the high proliferation of macrophytes. Due to this fact, this research was developed with the aim of estimating the area occupied by aquatic macrophytes in the reservoir of Barra Bonita Hydroelectric Power Plant (SP), in the years of 2013, 2014 and 2015. The study was carried out in the dry season (August), through the use of NDVI (Normalized Difference Vegetation Index) and supervised classification MAXVER (Maximum Likelihood). To obtain the maps and graphs, the following actions were taken: selection of LANDSAT-8/ OLI satellite images, radiometric calibration, atmospheric correction, reprojection, boundary definition, NDVI and supervised classification. The maps obtained through supervised classification, aided by NDVI maps, pointed to an increase of approximately 50% in the area occupied by aquatic macrophytes from 2013 to 2015.en
dc.format.extent330-342
dc.language.isopor
dc.relation.ispartofIRRIGA
dc.sourceScopus
dc.subjectEutrophication
dc.subjectLandsat-8
dc.subjectNDVI index
dc.subjectSupervised classification
dc.titleSensoriamento remoto aplicado ao monitoramento de macrófitas aquáticas no reservatório de barra Bonita, SPpt
dc.title.alternativeRemote sensing applied to the monitoring of aquatic macrophytes at barra bonita reservoir, spen
dc.typeArtigo
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)
dc.contributor.institutionUniversidade Federal de Viçosa (UFV)
dc.description.affiliationFCA/UNESP, Rua José Barbosa de Barros, 1780
dc.description.affiliationUFV, Avenida Peter Henry Rolfs, s/n -Campus Universitário
dc.description.affiliationUnespFCA/UNESP, Rua José Barbosa de Barros, 1780
dc.identifier.doi10.15809/irriga.2017v22n2p330-342
dc.rights.accessRightsAcesso restrito
dc.identifier.scopus2-s2.0-85029879569
dc.relation.ispartofsjr0,283
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