MAPPING OF CAATINGA BIOME VEGETATION THROUGH NDVI MODIS TIME SERIES AND ALBEDO, IN PAJEÚ RIVER BASIN - PE, BR

Detalhes bibliográficos
Autor(a) principal: da Silva Junior, Ubiratan Joaquim
Data de Publicação: 2022
Outros Autores: da Fonseca, Rayane Cavalcanti, da Silva Júnior, Juarez Antonio
Tipo de documento: Artigo
Idioma: por
Título da fonte: Caminhos de Geografia
Texto Completo: https://seer.ufu.br/index.php/caminhosdegeografia/article/view/60898
Resumo: Seasonally dry forests like Caatinga are directly influenced by rainfall changes. In this context, the objective of this study was to analyze the behavior of seasonal changes in the vegetation of Caatinga biome, identifying possible changes in the scenario, through the spectral sensitivity of NDVI and Albedo, considering a space-time analysis (2015-2019), in Pajeú River Watershed - PE, Brazil. For this, the data from MODIS sensor MOD13Q1 (NDVI) and MOD09A1 (spectral bands) were used, on board of Aqua and Terra satellites. NDVI and Albedo were evaluated by means of map-images in the rainy and dry periods. The results showed an inversely proportional behavior between albedo and vegetation integrated with precipitation data in both climatic periods. In the dry period the indices presented the best relationships with R² ranging from -0.5 to -0.6, corresponding to the dynamics of precipitation in the basin, however NDVI was sensitive to the dynamics of the microclimate of the basin and albedo was more sensitive to the response of non-vegetated areas.  The use of MODIS data for the generation of multitemporal scale cartographic products proved to be an indicator of land use and land cover change in seasonally dry forests such as the Caatinga.
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spelling MAPPING OF CAATINGA BIOME VEGETATION THROUGH NDVI MODIS TIME SERIES AND ALBEDO, IN PAJEÚ RIVER BASIN - PE, BRMAPEAMENTO DA VEGETAÇÃO DO BIOMA CAATINGA POR MEIO DE SÉRIES TEMPORAIS MODIS NDVI E ALBEDO, NA BACIA HIDROGRÁFICA DO RIO PAJEÚ - PE, BRMODISNDVIAlbedoBacia Hidrográfica do Rio PajeúMODISNDVIAlbedoPajeú River watershedSeasonally dry forests like Caatinga are directly influenced by rainfall changes. In this context, the objective of this study was to analyze the behavior of seasonal changes in the vegetation of Caatinga biome, identifying possible changes in the scenario, through the spectral sensitivity of NDVI and Albedo, considering a space-time analysis (2015-2019), in Pajeú River Watershed - PE, Brazil. For this, the data from MODIS sensor MOD13Q1 (NDVI) and MOD09A1 (spectral bands) were used, on board of Aqua and Terra satellites. NDVI and Albedo were evaluated by means of map-images in the rainy and dry periods. The results showed an inversely proportional behavior between albedo and vegetation integrated with precipitation data in both climatic periods. In the dry period the indices presented the best relationships with R² ranging from -0.5 to -0.6, corresponding to the dynamics of precipitation in the basin, however NDVI was sensitive to the dynamics of the microclimate of the basin and albedo was more sensitive to the response of non-vegetated areas.  The use of MODIS data for the generation of multitemporal scale cartographic products proved to be an indicator of land use and land cover change in seasonally dry forests such as the Caatinga.Florestas sazonalmente secas como a Caatinga são influenciadas diretamente por mudanças pluviométricas. Nesse contexto, o objetivo deste estudo foi analisar o comportamento das mudanças sazonais na vegetação do bioma Caatinga, identificando possíveis alterações no cenário, por meio da sensibilidade espectral do NDVI e do Albedo, considerando uma análise espaço temporal (2015-2019), na Bacia Hidrográfica do Rio Pajeú – PE, Brasil. Para isso, foram utilizados os dados: MOD13Q1 (NDVI) e MOD09A1 (bandas espectrais) do sensor MODIS, a bordo dos satélites Aqua e Terra. O NDVI e o Albedo foram avaliados por meio de cartas-imagens nos períodos: chuvoso e seco. Os resultados obtidos apontaram um comportamento inversamente proporcional entre o albedo e vegetação integrados aos dados de precipitação em ambos os momentos climáticos analisados. No período seco os índices apresentaram os melhores relacionamentos com R² variando entre -0,5 a -0,6, correspondendo à dinâmica da precipitação na bacia, entretanto o NDVI se mostrou sensível à dinâmica do microclima da bacia e o albedo mais sensível à resposta de áreas não vegetadas.  O uso de dados MODIS para a geração de produtos cartográficos em escala multitemporal mostrou-se um indicador da mudança de uso e ocupação do solo, em florestas sazonalmente secas como a Caatinga.EDUFU - Editora da Universidade Federal de Uberlândia2022-12-08info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionAvaliado pelos paresapplication/pdfhttps://seer.ufu.br/index.php/caminhosdegeografia/article/view/6089810.14393/RCG239060898Caminhos de Geografia; Vol. 23 No. 90 (2022): Dezembro; 75-89Caminhos de Geografia; Vol. 23 Núm. 90 (2022): Dezembro; 75-89Caminhos de Geografia; v. 23 n. 90 (2022): Dezembro; 75-891678-6343reponame:Caminhos de Geografiainstname:Universidade Federal de Uberlândia (UFU)instacron:UFUporhttps://seer.ufu.br/index.php/caminhosdegeografia/article/view/60898/35187Copyright (c) 2022 Ubiratan Joaquim da Silva Junior, Rayane Cavalcanti da Fonseca, Juarez Antonio da Silva Júniorhttp://creativecommons.org/licenses/by-nc-nd/4.0info:eu-repo/semantics/openAccessda Silva Junior, Ubiratan Joaquimda Fonseca, Rayane Cavalcantida Silva Júnior, Juarez Antonio2022-12-08T18:47:01Zoai:ojs.www.seer.ufu.br:article/60898Revistahttps://seer.ufu.br/index.php/caminhosdegeografia/indexPUBhttp://www.seer.ufu.br/index.php/caminhosdegeografia/oaiflaviasantosgeo@gmail.com1678-63431678-6343opendoar:2022-12-08T18:47:01Caminhos de Geografia - Universidade Federal de Uberlândia (UFU)false
dc.title.none.fl_str_mv MAPPING OF CAATINGA BIOME VEGETATION THROUGH NDVI MODIS TIME SERIES AND ALBEDO, IN PAJEÚ RIVER BASIN - PE, BR
MAPEAMENTO DA VEGETAÇÃO DO BIOMA CAATINGA POR MEIO DE SÉRIES TEMPORAIS MODIS NDVI E ALBEDO, NA BACIA HIDROGRÁFICA DO RIO PAJEÚ - PE, BR
title MAPPING OF CAATINGA BIOME VEGETATION THROUGH NDVI MODIS TIME SERIES AND ALBEDO, IN PAJEÚ RIVER BASIN - PE, BR
spellingShingle MAPPING OF CAATINGA BIOME VEGETATION THROUGH NDVI MODIS TIME SERIES AND ALBEDO, IN PAJEÚ RIVER BASIN - PE, BR
da Silva Junior, Ubiratan Joaquim
MODIS
NDVI
Albedo
Bacia Hidrográfica do Rio Pajeú
MODIS
NDVI
Albedo
Pajeú River watershed
title_short MAPPING OF CAATINGA BIOME VEGETATION THROUGH NDVI MODIS TIME SERIES AND ALBEDO, IN PAJEÚ RIVER BASIN - PE, BR
title_full MAPPING OF CAATINGA BIOME VEGETATION THROUGH NDVI MODIS TIME SERIES AND ALBEDO, IN PAJEÚ RIVER BASIN - PE, BR
title_fullStr MAPPING OF CAATINGA BIOME VEGETATION THROUGH NDVI MODIS TIME SERIES AND ALBEDO, IN PAJEÚ RIVER BASIN - PE, BR
title_full_unstemmed MAPPING OF CAATINGA BIOME VEGETATION THROUGH NDVI MODIS TIME SERIES AND ALBEDO, IN PAJEÚ RIVER BASIN - PE, BR
title_sort MAPPING OF CAATINGA BIOME VEGETATION THROUGH NDVI MODIS TIME SERIES AND ALBEDO, IN PAJEÚ RIVER BASIN - PE, BR
author da Silva Junior, Ubiratan Joaquim
author_facet da Silva Junior, Ubiratan Joaquim
da Fonseca, Rayane Cavalcanti
da Silva Júnior, Juarez Antonio
author_role author
author2 da Fonseca, Rayane Cavalcanti
da Silva Júnior, Juarez Antonio
author2_role author
author
dc.contributor.author.fl_str_mv da Silva Junior, Ubiratan Joaquim
da Fonseca, Rayane Cavalcanti
da Silva Júnior, Juarez Antonio
dc.subject.por.fl_str_mv MODIS
NDVI
Albedo
Bacia Hidrográfica do Rio Pajeú
MODIS
NDVI
Albedo
Pajeú River watershed
topic MODIS
NDVI
Albedo
Bacia Hidrográfica do Rio Pajeú
MODIS
NDVI
Albedo
Pajeú River watershed
description Seasonally dry forests like Caatinga are directly influenced by rainfall changes. In this context, the objective of this study was to analyze the behavior of seasonal changes in the vegetation of Caatinga biome, identifying possible changes in the scenario, through the spectral sensitivity of NDVI and Albedo, considering a space-time analysis (2015-2019), in Pajeú River Watershed - PE, Brazil. For this, the data from MODIS sensor MOD13Q1 (NDVI) and MOD09A1 (spectral bands) were used, on board of Aqua and Terra satellites. NDVI and Albedo were evaluated by means of map-images in the rainy and dry periods. The results showed an inversely proportional behavior between albedo and vegetation integrated with precipitation data in both climatic periods. In the dry period the indices presented the best relationships with R² ranging from -0.5 to -0.6, corresponding to the dynamics of precipitation in the basin, however NDVI was sensitive to the dynamics of the microclimate of the basin and albedo was more sensitive to the response of non-vegetated areas.  The use of MODIS data for the generation of multitemporal scale cartographic products proved to be an indicator of land use and land cover change in seasonally dry forests such as the Caatinga.
publishDate 2022
dc.date.none.fl_str_mv 2022-12-08
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Avaliado pelos pares
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv https://seer.ufu.br/index.php/caminhosdegeografia/article/view/60898
10.14393/RCG239060898
url https://seer.ufu.br/index.php/caminhosdegeografia/article/view/60898
identifier_str_mv 10.14393/RCG239060898
dc.language.iso.fl_str_mv por
language por
dc.relation.none.fl_str_mv https://seer.ufu.br/index.php/caminhosdegeografia/article/view/60898/35187
dc.rights.driver.fl_str_mv http://creativecommons.org/licenses/by-nc-nd/4.0
info:eu-repo/semantics/openAccess
rights_invalid_str_mv http://creativecommons.org/licenses/by-nc-nd/4.0
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv EDUFU - Editora da Universidade Federal de Uberlândia
publisher.none.fl_str_mv EDUFU - Editora da Universidade Federal de Uberlândia
dc.source.none.fl_str_mv Caminhos de Geografia; Vol. 23 No. 90 (2022): Dezembro; 75-89
Caminhos de Geografia; Vol. 23 Núm. 90 (2022): Dezembro; 75-89
Caminhos de Geografia; v. 23 n. 90 (2022): Dezembro; 75-89
1678-6343
reponame:Caminhos de Geografia
instname:Universidade Federal de Uberlândia (UFU)
instacron:UFU
instname_str Universidade Federal de Uberlândia (UFU)
instacron_str UFU
institution UFU
reponame_str Caminhos de Geografia
collection Caminhos de Geografia
repository.name.fl_str_mv Caminhos de Geografia - Universidade Federal de Uberlândia (UFU)
repository.mail.fl_str_mv flaviasantosgeo@gmail.com
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