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73. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | GREGO, C. R.; TEIXEIRA, A. H. de C.; LEIVAS, J. F.; SILVA, G. B. S. da; MANJOLIN, R. C. Interpolação de dados agrometeorológicos em duas densidades amostrais no norte de Minas Gerais. Agrometeoros, Passo Fundo, v. 25, n. 1, p. 81-89, ago. 2017. Biblioteca(s): Embrapa Territorial. |
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74. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | SILVA, G. B. S. da; PEREIRA, K. C.; FARIA, D. P.; SOUZA, L. C. N. DE; NOGUEIRA, S. F. Mapeamento de classes de declividade da sede do Polo Regional de Desenvolvimento Tecnológico dos Agronegócios do Vale do Paraíba, em Pindamonhangaba (SP). In: SYMPOSIUM SOCIEDADE DE ESPECIALISTAS LATINO-AMERICANOS EM SENSORIAMENTO REMOTO, 2012, Cayenne. Anais... Cayenne, Guiana Francesa, 2012. 8 p. Biblioteca(s): Embrapa Territorial. |
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77. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | SILVA, G. B. S. da; MELLO, M. P.; SHIMABUKURO, Y. E.; RUDORFF, B. F. T.; VICTORIA, D. de C. Multitemporal classification of natural vegetation cover in Brazilian Cerrado. In: INTERNATIONAL WORKSHOP ON THE ANALYSIS OF MULTI-TEMPORAL REMOTE SENSING IMAGES, 6., 2011, Trento, IT. Anais... Trento: IEEE, 2011. p. 117-120. Biblioteca(s): Embrapa Territorial. |
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80. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | BULLER, L. S.; LIMA, I. B. T. de; ORTEGA, E.; MORAES, A.; SILVA, G. B. S. da; ZANETTI, M. R. Soil improvement and mitigation of greenhouse gas emissions for integrated crop-livestock systems: Case study assessment in the Pantanal savanna highland, Brazil. Agricultural Systems, v. 137, p. 206-219, 2015. Biblioteca(s): Embrapa Territorial. |
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Registro Completo
Biblioteca(s): |
Embrapa Territorial. |
Data corrente: |
03/08/2017 |
Data da última atualização: |
03/08/2017 |
Tipo da produção científica: |
Artigo em Anais de Congresso |
Autoria: |
LEIVAS, J. F.; TEIXEIRA, A. H. de C.; SILVA, G. B. S. da; GARCON, E. A. M. |
Afiliação: |
JANICE FREITAS LEIVAS, CNPM; ANTONIO HERIBERTO DE C TEIXEIRA, CPATSA; GUSTAVO BAYMA SIQUEIRA DA SILVA, CNPM; EDLENE APARECIDA MONTEIRO GARCON, CNPM. |
Título: |
Obtenção de evapotranspiração e indicadores hídricos em perímetros irrigados usando imagens RapidEye. |
Ano de publicação: |
2017 |
Fonte/Imprenta: |
In: SIMPÓSIO BRASILEIRO DE SENSORIAMENTO REMOTO, 18., 2017, Santos. Anais... Santos: Inpe, 2017. |
Páginas: |
p. 4590-4596. |
Idioma: |
Português |
Conteúdo: |
The objective in this study was to obtain evapotranspiration (ET) and biophysics parameters at irrigated areas using the SAFER (Simple Algorithm For Evapotranspiration Retrieving) and the Penman-Monteith models without using the thermal band, with the aim of enhancing spatial resolution and therefore detecting more surface details. We collected data from meteorological stations and RapidEye satellite images (5 meters) of Jaíba (North of Minas Gerais) and Petrolina (Pernambuco state), located at in the São Francisco river basin, Brazil, in 2011, 2012, 2013, and 2014. The average daily evapotranspiration rate in Petrolina for 2011 scene was of 0.47±1.14 mm, with a maximum value of 6.96 mm at the irrigated areas. In the 2014 image the evapotranspiration (ET) rate reached values higher than 7.6 mm at the irrigated areas, and average daily values of 0.64±1.43 mm. The atmosphere's higher evaporative demand caused ET to reach values higher than those observed in the 2011 scene, maybe due to the El Niño phenomenon, which reduces the rainfall rates at the study region and causes water scarcity. In 2013, daily average evapotranspiration (ET) of Jaiba was 0.43 ± 0. 96 mm and maximum value was 6.11 mm. In 2014, the average daily ET value was 2.19 ± 2.01mm. The results obtained enabled evaluating evapotranspiration during periods of severe drought with the advantage of not requiring the use of the thermal band, and thus contributing to the planning and management of the use of water resources. MenosThe objective in this study was to obtain evapotranspiration (ET) and biophysics parameters at irrigated areas using the SAFER (Simple Algorithm For Evapotranspiration Retrieving) and the Penman-Monteith models without using the thermal band, with the aim of enhancing spatial resolution and therefore detecting more surface details. We collected data from meteorological stations and RapidEye satellite images (5 meters) of Jaíba (North of Minas Gerais) and Petrolina (Pernambuco state), located at in the São Francisco river basin, Brazil, in 2011, 2012, 2013, and 2014. The average daily evapotranspiration rate in Petrolina for 2011 scene was of 0.47±1.14 mm, with a maximum value of 6.96 mm at the irrigated areas. In the 2014 image the evapotranspiration (ET) rate reached values higher than 7.6 mm at the irrigated areas, and average daily values of 0.64±1.43 mm. The atmosphere's higher evaporative demand caused ET to reach values higher than those observed in the 2011 scene, maybe due to the El Niño phenomenon, which reduces the rainfall rates at the study region and causes water scarcity. In 2013, daily average evapotranspiration (ET) of Jaiba was 0.43 ± 0. 96 mm and maximum value was 6.11 mm. In 2014, the average daily ET value was 2.19 ± 2.01mm. The results obtained enabled evaluating evapotranspiration during periods of severe drought with the advantage of not requiring the use of the thermal band, and thus contributing to the planning and management of the use of water reso... Mostrar Tudo |
Palavras-Chave: |
Modelo agrometeorológico espectral. |
Thesagro: |
Sensoriamento Remoto. |
Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/162381/1/4826.pdf
|
Marc: |
LEADER 02166nam a2200181 a 4500 001 2073559 005 2017-08-03 008 2017 bl uuuu u00u1 u #d 100 1 $aLEIVAS, J. F. 245 $aObtenção de evapotranspiração e indicadores hídricos em perímetros irrigados usando imagens RapidEye.$h[electronic resource] 260 $aIn: SIMPÓSIO BRASILEIRO DE SENSORIAMENTO REMOTO, 18., 2017, Santos. Anais... Santos: Inpe$c2017 300 $ap. 4590-4596. 520 $aThe objective in this study was to obtain evapotranspiration (ET) and biophysics parameters at irrigated areas using the SAFER (Simple Algorithm For Evapotranspiration Retrieving) and the Penman-Monteith models without using the thermal band, with the aim of enhancing spatial resolution and therefore detecting more surface details. We collected data from meteorological stations and RapidEye satellite images (5 meters) of Jaíba (North of Minas Gerais) and Petrolina (Pernambuco state), located at in the São Francisco river basin, Brazil, in 2011, 2012, 2013, and 2014. The average daily evapotranspiration rate in Petrolina for 2011 scene was of 0.47±1.14 mm, with a maximum value of 6.96 mm at the irrigated areas. In the 2014 image the evapotranspiration (ET) rate reached values higher than 7.6 mm at the irrigated areas, and average daily values of 0.64±1.43 mm. The atmosphere's higher evaporative demand caused ET to reach values higher than those observed in the 2011 scene, maybe due to the El Niño phenomenon, which reduces the rainfall rates at the study region and causes water scarcity. In 2013, daily average evapotranspiration (ET) of Jaiba was 0.43 ± 0. 96 mm and maximum value was 6.11 mm. In 2014, the average daily ET value was 2.19 ± 2.01mm. The results obtained enabled evaluating evapotranspiration during periods of severe drought with the advantage of not requiring the use of the thermal band, and thus contributing to the planning and management of the use of water resources. 650 $aSensoriamento Remoto 653 $aModelo agrometeorológico espectral 700 1 $aTEIXEIRA, A. H. de C. 700 1 $aSILVA, G. B. S. da 700 1 $aGARCON, E. A. M.
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