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 | Acesso ao texto completo restrito à biblioteca da Embrapa Amazônia Oriental. Para informações adicionais entre em contato com cpatu.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Amazônia Oriental. |
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Data corrente: |
15/03/2017 |
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Data da última atualização: |
20/05/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
HILKER, T.; GALVÃO, L. S.; ARAGÃO, L. E. O. C.; MOURA, Y. M. de; AMARAL, C. H. do; LYAPUSTIN, A. I.; WU, J.; ALBERT, L. P.; FERREIRA, M. J.; ANDERSON, L. O.; SANTOS, V. A. H. F. dos; PROHASKA, N.; TRIBUZY, E.; CERON, J. V. B.; SALESKA, S. R.; WANG, Y.; GONÇALVES, J. F. de C.; OLIVEIRA JUNIOR, R. C. de; RODRIGUES, J. V. F. C.; GARCIA, M. N. |
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Afiliação: |
Thomas Hilker, University of Southampton / Oregon State University; Lênio Soares Galvão, INPE; Luiz E. O. C. Aragão, INPE; Yhasmin M. de Moura, INPE; Cibele H. do Amaral, UFV; Alexei I. Lyapustin, NASA Goddard Space Flight Center; JIN WU, Environmental and Climate Sciences Department, Brookhaven National Lab / University of Arizona; Loren P. Albert, University of Arizona; Marciel José Ferreira, UFAM; Liana O. Anderson, Centro Nacional de Monitoramento e Alertas de Desastres Naturais (CEMADEN); Victor A. H. F. dos Santos, INPA; Neill Prohaska, University of Arizona; Edgard Tribuzy, INPA; João Vitor Barbosa Ceron, INPA; Scott R. Saleska, University of Arizona; Yujie Wang, University of Maryland Baltimore County; José Francisco de Carvalho Gonçalves, INPA; RAIMUNDO COSME DE OLIVEIRA JUNIOR, CPATU; João Victor Figueiredo Cardoso Rodrigues, UFAM; Maquelle Neves Garcia, INPA. |
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Título: |
Vegetation chlorophyll estimates in the Amazon from multi-angle MODIS observations and canopy reflectance model. |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
International Journal of Applied Earth Observation and Geoinformation, v. 58, p. 278-287, June 2017. |
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DOI: |
http://dx.doi.org/10.1016/j.jag.2017.01.014 |
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Idioma: |
Inglês |
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Conteúdo: |
As a preparatory study for future hyperspectral missions that can measure canopy chemistry, we introduce a novel approach to investigate whether multi-angle Moderate Resolution Imaging Spectroradiometer (MODIS) data can be used to generate a preliminary database with long-term estimates of chlorophyll. MODIS monthly chlorophyll estimates between 2000 and 2015, derived from a fully coupled canopy reflectance model (ProSAIL), were inspected for consistency with eddy covariance fluxes, tower-based hyperspectral images and chlorophyll measurements. MODIS chlorophyll estimates from the inverse model showed strong seasonal variations across two flux-tower sites in central and eastern Amazon. Marked increases in chlorophyll concentrations were observed during the early dry season. Remotely sensed chlorophyll concentrations were correlated to field measurements (r2 = 0.73 and r2 = 0.98) but the data deviated from the 1:1 line with root mean square errors (RMSE) ranging from (Tapajós tower) to 0.470 (Manaus tower). The chlorophyll estimates were consistent with flux tower measurements of photosynthetically active radiation (PAR) and net ecosystem productivity (NEP). We also applied ProSAIL to mono-angle hyperspectral observations from a camera installed on a tower to scale modeled chlorophyll pigments to MODIS observations (r2 = 0.73). Chlorophyll pigment concentrations (ChlA+B) were correlated to changes in the amount of young and mature leaf area per month (0.59 ; r2 ; 0.64). Increases in MODIS observed ChlA+B were preceded by increased PAR during the dry season (0.61; 0.62) and followed by changes in net carbon uptake. We conclude that, at these two sites, changes in LAI, coupled with changes in leaf chlorophyll, are comparable with seasonality of plant productivity. Our results allowed the preliminary development of a 15-year time series of chlorophyll estimates over the Amazon to support canopy chemistry studies using future hyperspectral sensors. MenosAs a preparatory study for future hyperspectral missions that can measure canopy chemistry, we introduce a novel approach to investigate whether multi-angle Moderate Resolution Imaging Spectroradiometer (MODIS) data can be used to generate a preliminary database with long-term estimates of chlorophyll. MODIS monthly chlorophyll estimates between 2000 and 2015, derived from a fully coupled canopy reflectance model (ProSAIL), were inspected for consistency with eddy covariance fluxes, tower-based hyperspectral images and chlorophyll measurements. MODIS chlorophyll estimates from the inverse model showed strong seasonal variations across two flux-tower sites in central and eastern Amazon. Marked increases in chlorophyll concentrations were observed during the early dry season. Remotely sensed chlorophyll concentrations were correlated to field measurements (r2 = 0.73 and r2 = 0.98) but the data deviated from the 1:1 line with root mean square errors (RMSE) ranging from (Tapajós tower) to 0.470 (Manaus tower). The chlorophyll estimates were consistent with flux tower measurements of photosynthetically active radiation (PAR) and net ecosystem productivity (NEP). We also applied ProSAIL to mono-angle hyperspectral observations from a camera installed on a tower to scale modeled chlorophyll pigments to MODIS observations (r2 = 0.73). Chlorophyll pigment concentrations (ChlA+B) were correlated to changes in the amount of young and mature leaf area per month (0.59 ; r2 ; 0.64). Incre... Mostrar Tudo |
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Thesagro: |
Clorofila; Fenologia. |
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Thesaurus Nal: |
Amazonia. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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Marc: |
LEADER 03195naa a2200397 a 4500
001 2067032
005 2022-05-20
008 2017 bl uuuu u00u1 u #d
024 7 $ahttp://dx.doi.org/10.1016/j.jag.2017.01.014$2DOI
100 1 $aHILKER, T.
245 $aVegetation chlorophyll estimates in the Amazon from multi-angle MODIS observations and canopy reflectance model.$h[electronic resource]
260 $c2017
520 $aAs a preparatory study for future hyperspectral missions that can measure canopy chemistry, we introduce a novel approach to investigate whether multi-angle Moderate Resolution Imaging Spectroradiometer (MODIS) data can be used to generate a preliminary database with long-term estimates of chlorophyll. MODIS monthly chlorophyll estimates between 2000 and 2015, derived from a fully coupled canopy reflectance model (ProSAIL), were inspected for consistency with eddy covariance fluxes, tower-based hyperspectral images and chlorophyll measurements. MODIS chlorophyll estimates from the inverse model showed strong seasonal variations across two flux-tower sites in central and eastern Amazon. Marked increases in chlorophyll concentrations were observed during the early dry season. Remotely sensed chlorophyll concentrations were correlated to field measurements (r2 = 0.73 and r2 = 0.98) but the data deviated from the 1:1 line with root mean square errors (RMSE) ranging from (Tapajós tower) to 0.470 (Manaus tower). The chlorophyll estimates were consistent with flux tower measurements of photosynthetically active radiation (PAR) and net ecosystem productivity (NEP). We also applied ProSAIL to mono-angle hyperspectral observations from a camera installed on a tower to scale modeled chlorophyll pigments to MODIS observations (r2 = 0.73). Chlorophyll pigment concentrations (ChlA+B) were correlated to changes in the amount of young and mature leaf area per month (0.59 ; r2 ; 0.64). Increases in MODIS observed ChlA+B were preceded by increased PAR during the dry season (0.61; 0.62) and followed by changes in net carbon uptake. We conclude that, at these two sites, changes in LAI, coupled with changes in leaf chlorophyll, are comparable with seasonality of plant productivity. Our results allowed the preliminary development of a 15-year time series of chlorophyll estimates over the Amazon to support canopy chemistry studies using future hyperspectral sensors.
650 $aAmazonia
650 $aClorofila
650 $aFenologia
700 1 $aGALVÃO, L. S.
700 1 $aARAGÃO, L. E. O. C.
700 1 $aMOURA, Y. M. de
700 1 $aAMARAL, C. H. do
700 1 $aLYAPUSTIN, A. I.
700 1 $aWU, J.
700 1 $aALBERT, L. P.
700 1 $aFERREIRA, M. J.
700 1 $aANDERSON, L. O.
700 1 $aSANTOS, V. A. H. F. dos
700 1 $aPROHASKA, N.
700 1 $aTRIBUZY, E.
700 1 $aCERON, J. V. B.
700 1 $aSALESKA, S. R.
700 1 $aWANG, Y.
700 1 $aGONÇALVES, J. F. de C.
700 1 $aOLIVEIRA JUNIOR, R. C. de
700 1 $aRODRIGUES, J. V. F. C.
700 1 $aGARCIA, M. N.
773 $tInternational Journal of Applied Earth Observation and Geoinformation$gv. 58, p. 278-287, June 2017.
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Registro original: |
Embrapa Amazônia Oriental (CPATU) |
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| Registros recuperados : 16 | |
| 3. |  | TRABAQUINI, K.; SILVA, G. B. S. da; FORMAGGIO, A. R.; SHIMABUKURO, Y. E.; GALVÃO, L. S. Dynamics and distribution of anthropic occupation in the Cerrado of Mato Grosso in the period from 1990 to 2008. Geografia, Rio Claro, v. 38, n. 2, p. 209-224, maio/ago. 2013. p. 209-224| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 2 |
| Biblioteca(s): Embrapa Territorial. |
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| 4. | | BALBINOT, R.; LAMBRECHT, F. R.; BREUNIG, F. M.; TRAUTENMÜLLER, J. W.; GALVÃO, L. S.; DENARDI, L.; VENDRUSCOLO, R. Análise fitossociológica de um fragmento de Floresta Estacional Decidual: Parque Estadual do Turvo, RS. Pesquisa Florestal Brasileira, Colombo, v. 36, n. 86, p. 103-113, abr./jun. 2016.| Biblioteca(s): Embrapa Florestas. |
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| 10. | | GALVÃO, L. S.; PEREIRA FILHO, W.; ABDON, M. de M.; NOVO, E. M. M. L.; SILVA, J. dos S. V. da; PONZONI, F. J. Hyperspectral remote sensing of the brazilian pantanal lakes. In: JPL AIRBORNE EARTH SCIENCE WORKSHOP, 11., 2002, Pasadena. Proceedings... Pasadena: NASA, 2002. p. 355-362. Na publicação: João S. V. da Silva.| Biblioteca(s): Embrapa Agricultura Digital. |
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| 12. | | PAVANELLI, J. A. P.; MALDONADO, F. D.; SANTOS, J. R. dos; GALVÃO, L. S.; XAUD, M. R.; XAUD, H. A. M. Rotação radiométrica para detecção de mudanças na paisagem de tensão ecológica em Roraima. In: SIMPÓSIO BRASILEIRO DE SENSORIAMENTO REMOTO, 17., 2015, João Pessoa. Anais... São José dos Campos: INPE, 2015.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Roraima. |
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| 13. | | MOURA, Y. M. de; BALZTER, H.; GALVÃO, L. S.; DALAGNOL, R.; ESPÍRITO-SANTO, F.; SANTOS, E. G.; GARCIA, M.; BISPO, P. da C.; OLIVEIRA JUNIOR, R. C. de; SHIMABUKURO, Y. E. Carbon dynamics in a human-modified tropical forest: a case study using multi-temporal LiDAR Data. Remote Sensing, v. 12, n. 3, Article 430, 2020.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 1 |
| Biblioteca(s): Embrapa Amazônia Oriental. |
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| 14. | | MOURA, Y. M. de; GALVÃO, L. S.; HILKER, T.; WU, J.; SALESKA, S.; AMARAL, C. H. do; NELSON, B. W.; LOPES, A. P.; WIEDEMAN, K. K.; PROHASKA, N.; OLIVEIRA JUNIOR, R. C. de; MACHADO, C. B.; ARAGÃO, L. E. O. C. Spectral analysis of amazon canopy phenology during the dry season using a tower hyperspectral camera and modis observations. ISPRS Journal of Photogrammetry and Remote Sensing, v. 131, p. 52-64, Sept. 2017.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 1 |
| Biblioteca(s): Embrapa Amazônia Oriental. |
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| 15. | | HILKER, T.; GALVÃO, L. S.; ARAGÃO, L. E. O. C.; MOURA, Y. M. de; AMARAL, C. H. do; LYAPUSTIN, A. I.; WU, J.; ALBERT, L. P.; FERREIRA, M. J.; ANDERSON, L. O.; SANTOS, V. A. H. F. dos; PROHASKA, N.; TRIBUZY, E.; CERON, J. V. B.; SALESKA, S. R.; WANG, Y.; GONÇALVES, J. F. de C.; OLIVEIRA JUNIOR, R. C. de; RODRIGUES, J. V. F. C.; GARCIA, M. N. Vegetation chlorophyll estimates in the Amazon from multi-angle MODIS observations and canopy reflectance model. International Journal of Applied Earth Observation and Geoinformation, v. 58, p. 278-287, June 2017.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 2 |
| Biblioteca(s): Embrapa Amazônia Oriental. |
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| 16. | | BISPO, P. da C.; PICOLI, M. C. A.; MARIMON, B. S.; MARIMON JUNIOR, B. H.; PERES, C. A.; MENOR, I. O.; SILVA, D. E.; MACHADO, F. de F.; ALENCAR, A. A. C.; ALMEIDA, C. A. de; ANDERSON, L. O.; ARAGÃO, L. E. O. C.; BREUNIG, F. M.; BUSTAMANTE, M.; DALAGNOL, R.; DINIZ-FILHO, J. A. F.; FERREIRA, L. G.; FISCH, G.; GALVÃO, L. S.; GIAROLLA, A.; GOMES, A. R.; MARCO JUNIOR, P. de; KUCK, T. N.; LEHMANN, C. E. R.; LEMES, M. R.; TRIVISAN, D. P.; ZIMBRES, B.; WIEDERKEHR, N. C.; SILVA-JUNIOR, C. H. L. Overlooking vegetation loss outside forests imperils the Brazilian Cerrado and other non-forest biomes. Nature Ecology & Evolution, v. 8, p. 12-13 Jan. 2024.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 1 |
| Biblioteca(s): Embrapa Cerrados. |
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| Registros recuperados : 16 | |
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| Nenhum registro encontrado para a expressão de busca informada. |
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