Publicado

2020-11-05

Spatial-temporal dynamics of Caatinga vegetation cover by remote sensing in the Brazilian semiarid region

Dinámica espacio-temporal de la cubierta vegetal de la Caatinga por teledetección orbital en la región semiárida del Brasil

DOI:

https://doi.org/10.15446/dyna.v87n215.87851

Palabras clave:

Environmental monitoring, surface temperature, Landsat-8, albedo (en)
Vigilancia ambiental, temperatura de la superficie, Landsat-8, albedo (es)

Autores/as

The Brazilian semiarid region is marked by water scarcity, which causes the loss of leaves from native vegetation to reduce transpiration. With the reduction of the Caatinga leaf area, the soil becomes more exposed, which makes it a great ally for environmental degradation. This study aimed to monitor and analyze the spatial-temporal dynamics of the Caatinga vegetation by orbital remote sensing in the semiarid region of Pernambuco, Brazil, in the rainy and dry season. The study was developed from Landsat-8 satellite images between the years 2013-2018. From the SEBAL algorithm, thematic maps of the biophysical parameters were determined: albedo and surface temperature, normalized difference vegetation index (NDVI), soil-adjusted vegetation index (SAVI), and leaf area index (LAI). The results show that in the dry season, there is a greater aptitude for environmental degradation to occur.

La región semiárida brasileña se caracteriza por la escasez de agua, lo que provoca la pérdida de hojas de la vegetación nativa para reducir la transpiración. Con la reducción del área foliar de Caatinga el suelo está más expuesto, convertirme en un gran aliado para la degradación ambiental. El objetivo fue vigilar y analizar la dinámica espacio-temporal de la vegetación de Caatinga mediante la teledetección orbital en región semiárida de Pernambuco, Brasil, en la estación de lluvias en la estación seca. Estudio se desarrolló mediante imágenes del satélite Landsat-8, entre los años 2013-2018, y mediante el algoritmo SEBAL se determinaron mapas temáticos de los parámetros biofísicos: albedo y temperatura superficial, índice de vegetación de diferencia normalizada (NDVI), índice de vegetación ajustado al suelo (SAVI) e índice de área foliar (LAI). Los resultados muestran que en la estación seca hay una aptitud más notable para que se produzca la degradación ambiental.

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Cómo citar

IEEE

[1]
J. A. de M. Rodrigues, «Spatial-temporal dynamics of Caatinga vegetation cover by remote sensing in the Brazilian semiarid region», DYNA, vol. 87, n.º 215, pp. 109–117, nov. 2020.

ACM

[1]
Rodrigues, J.A. de M., Lopes, P.M.O., Silva, J.L.B. da, Araújo, H.L., Silva, M.V. da, Santos, A. dos y Moura, G.B. de A. 2020. Spatial-temporal dynamics of Caatinga vegetation cover by remote sensing in the Brazilian semiarid region. DYNA. 87, 215 (nov. 2020), 109–117. DOI:https://doi.org/10.15446/dyna.v87n215.87851.

ACS

(1)
Rodrigues, J. A. de M.; Lopes, P. M. O.; Silva, J. L. B. da; Araújo, H. L.; Silva, M. V. da; Santos, A. dos; Moura, G. B. de A. Spatial-temporal dynamics of Caatinga vegetation cover by remote sensing in the Brazilian semiarid region. DYNA 2020, 87, 109-117.

APA

Rodrigues, J. A. de M., Lopes, P. M. O., Silva, J. L. B. da, Araújo, H. L., Silva, M. V. da, Santos, A. dos & Moura, G. B. de A. (2020). Spatial-temporal dynamics of Caatinga vegetation cover by remote sensing in the Brazilian semiarid region. DYNA, 87(215), 109–117. https://doi.org/10.15446/dyna.v87n215.87851

ABNT

RODRIGUES, J. A. de M.; LOPES, P. M. O.; SILVA, J. L. B. da; ARAÚJO, H. L.; SILVA, M. V. da; SANTOS, A. dos; MOURA, G. B. de A. Spatial-temporal dynamics of Caatinga vegetation cover by remote sensing in the Brazilian semiarid region. DYNA, [S. l.], v. 87, n. 215, p. 109–117, 2020. DOI: 10.15446/dyna.v87n215.87851. Disponível em: https://revistas.unal.edu.co/index.php/dyna/article/view/87851. Acesso em: 15 mar. 2026.

Chicago

Rodrigues, Joez André de Moraes, Pabricio Marcos Oliveira Lopes, Jhon Lennon Bezerra da Silva, Hélio Lopes Araújo, Marcos Vinícios da Silva, Anderson dos Santos, y Geber Barbosa de Albuquerque Moura. 2020. «Spatial-temporal dynamics of Caatinga vegetation cover by remote sensing in the Brazilian semiarid region». DYNA 87 (215):109-17. https://doi.org/10.15446/dyna.v87n215.87851.

Harvard

Rodrigues, J. A. de M., Lopes, P. M. O., Silva, J. L. B. da, Araújo, H. L., Silva, M. V. da, Santos, A. dos y Moura, G. B. de A. (2020) «Spatial-temporal dynamics of Caatinga vegetation cover by remote sensing in the Brazilian semiarid region», DYNA, 87(215), pp. 109–117. doi: 10.15446/dyna.v87n215.87851.

MLA

Rodrigues, J. A. de M., P. M. O. Lopes, J. L. B. da Silva, H. L. Araújo, M. V. da Silva, A. dos Santos, y G. B. de A. Moura. «Spatial-temporal dynamics of Caatinga vegetation cover by remote sensing in the Brazilian semiarid region». DYNA, vol. 87, n.º 215, noviembre de 2020, pp. 109-17, doi:10.15446/dyna.v87n215.87851.

Turabian

Rodrigues, Joez André de Moraes, Pabricio Marcos Oliveira Lopes, Jhon Lennon Bezerra da Silva, Hélio Lopes Araújo, Marcos Vinícios da Silva, Anderson dos Santos, y Geber Barbosa de Albuquerque Moura. «Spatial-temporal dynamics of Caatinga vegetation cover by remote sensing in the Brazilian semiarid region». DYNA 87, no. 215 (noviembre 5, 2020): 109–117. Accedido marzo 15, 2026. https://revistas.unal.edu.co/index.php/dyna/article/view/87851.

Vancouver

1.
Rodrigues JA de M, Lopes PMO, Silva JLB da, Araújo HL, Silva MV da, Santos A dos, Moura GB de A. Spatial-temporal dynamics of Caatinga vegetation cover by remote sensing in the Brazilian semiarid region. DYNA [Internet]. 5 de noviembre de 2020 [citado 15 de marzo de 2026];87(215):109-17. Disponible en: https://revistas.unal.edu.co/index.php/dyna/article/view/87851

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