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Registro Completo |
Biblioteca(s): |
Embrapa Cerrados. |
Data corrente: |
14/12/2020 |
Data da última atualização: |
14/12/2020 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
BISPO, P. da C.; RODRÍGUEZ-VEIGA, P.; ZIMBRES, B.; MIRANDA, S. do C. de; CEZARE, C. H. G.; FLEMING, S.; BALDACCHINO, F.; LOUIS, V.; RAINS, D.; GARCIA, M.; ESPIRITO-SANTO, F. D. B.; ROITMAN, I.; PACHECO-PASCAGAZA, A. M.; GOU, Y.; ROBERTS, J.; BARRETT, K.; FERREIRA, L. G.; SHIMBO, J. Z.; ALENCAR, A.; BUSTAMANTE, M.; WOODHOUSE, I. H.; SANO, E. E.; OMETTO, J. P.; TANSEY, K.; BALZTER, H. |
Afiliação: |
EDSON EYJI SANO, CPAC. |
Título: |
Woody Aboveground Biomass Mapping of the Brazilian Savanna with a Multi-Sensor and Machine Learning Approach. |
Ano de publicação: |
2020 |
Fonte/Imprenta: |
Remote Sensing, v. 12, n. 17, 2020. |
Idioma: |
Português |
Conteúdo: |
The tropical savanna in Brazil known as the Cerrado covers circa 23% of the Brazilian territory, but only 3% of this area is protected. High rates of deforestation and degradation in the woodland and forest areas have made the Cerrado the second-largest source of carbon emissions in Brazil. However, data on these emissions are highly uncertain because of the spatial and temporal variability of the aboveground biomass (AGB) in this biome. Remote-sensing data combined with local vegetation inventories provide the means to quantify the AGB at large scales. Here, we quantify the spatial distribution of woody AGB in the Rio Vermelho watershed, located in the centre of the Cerrado, at a high spatial resolution of 30 metres, with a random forest (RF) machine-learning approach. We produced the first high-resolution map of the AGB for a region in the Brazilian Cerrado using a combination of vegetation inventory plots, airborne light detection and ranging (LiDAR) data, and multispectral and radar satellite images (Landsat 8 and ALOS-2/PALSAR-2). A combination of random forest (RF) models and jackknife analyses enabled us to select the best remote-sensing variables to quantify the AGB on a large scale. Overall, the relationship between the ground data from vegetation inventories and remote-sensing variables was strong (R2 = 0.89), with a root-mean-square error (RMSE) of 7.58 Mg ha−1 and a bias of 0.43 Mg ha−1. View Full-Text |
Thesagro: |
Biomassa; Carbono; Cerrado; Sensoriamento Remoto. |
Categoria do assunto: |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/219145/1/SANO-WOODY-ABOVEGROUND-BIOMASS-MAPPING-OF-THE-BRAZILIAN-SAVANNA.pdf
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Marc: |
LEADER 02683naa a2200457 a 4500 001 2128070 005 2020-12-14 008 2020 bl uuuu u00u1 u #d 100 1 $aBISPO, P. da C. 245 $aWoody Aboveground Biomass Mapping of the Brazilian Savanna with a Multi-Sensor and Machine Learning Approach.$h[electronic resource] 260 $c2020 520 $aThe tropical savanna in Brazil known as the Cerrado covers circa 23% of the Brazilian territory, but only 3% of this area is protected. High rates of deforestation and degradation in the woodland and forest areas have made the Cerrado the second-largest source of carbon emissions in Brazil. However, data on these emissions are highly uncertain because of the spatial and temporal variability of the aboveground biomass (AGB) in this biome. Remote-sensing data combined with local vegetation inventories provide the means to quantify the AGB at large scales. Here, we quantify the spatial distribution of woody AGB in the Rio Vermelho watershed, located in the centre of the Cerrado, at a high spatial resolution of 30 metres, with a random forest (RF) machine-learning approach. We produced the first high-resolution map of the AGB for a region in the Brazilian Cerrado using a combination of vegetation inventory plots, airborne light detection and ranging (LiDAR) data, and multispectral and radar satellite images (Landsat 8 and ALOS-2/PALSAR-2). A combination of random forest (RF) models and jackknife analyses enabled us to select the best remote-sensing variables to quantify the AGB on a large scale. Overall, the relationship between the ground data from vegetation inventories and remote-sensing variables was strong (R2 = 0.89), with a root-mean-square error (RMSE) of 7.58 Mg ha−1 and a bias of 0.43 Mg ha−1. View Full-Text 650 $aBiomassa 650 $aCarbono 650 $aCerrado 650 $aSensoriamento Remoto 700 1 $aRODRÍGUEZ-VEIGA, P. 700 1 $aZIMBRES, B. 700 1 $aMIRANDA, S. do C. de 700 1 $aCEZARE, C. H. G. 700 1 $aFLEMING, S. 700 1 $aBALDACCHINO, F. 700 1 $aLOUIS, V. 700 1 $aRAINS, D. 700 1 $aGARCIA, M. 700 1 $aESPIRITO-SANTO, F. D. B. 700 1 $aROITMAN, I. 700 1 $aPACHECO-PASCAGAZA, A. M. 700 1 $aGOU, Y. 700 1 $aROBERTS, J. 700 1 $aBARRETT, K. 700 1 $aFERREIRA, L. G. 700 1 $aSHIMBO, J. Z. 700 1 $aALENCAR, A. 700 1 $aBUSTAMANTE, M. 700 1 $aWOODHOUSE, I. H. 700 1 $aSANO, E. E. 700 1 $aOMETTO, J. P. 700 1 $aTANSEY, K. 700 1 $aBALZTER, H. 773 $tRemote Sensing$gv. 12, n. 17, 2020.
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Embrapa Cerrados (CPAC) |
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Registros recuperados : 3 | |
1. | | GAROFALO, D. F. T.; NOVAES, R. M. L.; PAZIANOTTO, R. A. A.; MACIEL, V. G.; BRANDÃO, M.; SHIMBO, J. Z.; MATSUURA, M. I. da S. F. Land-use change CO2 emissions associated with agricultural products at municipal level in Brazil. Journal of Cleaner Production, v. 364, article 132549, 2022.Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 1 |
Biblioteca(s): Embrapa Meio Ambiente. |
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2. | | ALENCAR, A.; SHIMBO, J. Z.; LENTI, F.; MARQUES, C. B.; ZIMBRES, B.; ROSA, M.; ARRUDA, V.; CASTRO, I.; RIBEIRO, J. P. F. M.; VARELA, V.; ALENCAR, I.; PIONTEKOWSKI, V.; RIBEIRO, V.; BUSTAMANTE, M. M. C.; SANO, E. E.; BARROSO, M. Mapping Three Decades of Changes in the Brazilian Savanna Native Vegetation Using Landsat Data Processed in the Google Earth Engine Platform. Remote Sensing, v. 12, n. 6, 2020.Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 1 |
Biblioteca(s): Embrapa Cerrados. |
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3. | | BISPO, P. da C.; RODRÍGUEZ-VEIGA, P.; ZIMBRES, B.; MIRANDA, S. do C. de; CEZARE, C. H. G.; FLEMING, S.; BALDACCHINO, F.; LOUIS, V.; RAINS, D.; GARCIA, M.; ESPIRITO-SANTO, F. D. B.; ROITMAN, I.; PACHECO-PASCAGAZA, A. M.; GOU, Y.; ROBERTS, J.; BARRETT, K.; FERREIRA, L. G.; SHIMBO, J. Z.; ALENCAR, A.; BUSTAMANTE, M.; WOODHOUSE, I. H.; SANO, E. E.; OMETTO, J. P.; TANSEY, K.; BALZTER, H. Woody Aboveground Biomass Mapping of the Brazilian Savanna with a Multi-Sensor and Machine Learning Approach. Remote Sensing, v. 12, n. 17, 2020.Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 1 |
Biblioteca(s): Embrapa Cerrados. |
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Registros recuperados : 3 | |
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