Efecto de la cubierta del cielo sobre la asimilación de CO2

Autores/as

DOI:

https://doi.org/10.33448/rsd-v10i13.21307

Palabras clave:

CO2; Radiación solar difusa; Producción primaria bruta; PML_V2; MODIS17A2H.

Resumen

El objetivo de este trabajo fue estudiar el flujo de CO2 en el ambiente y su relación con la cobertura del cielo y la naturaleza de la radiación solar, en busca de una relación matemática entre estas variables. También se pretendía proponer un modelo empírico que correlacione la radiación solar con los flujos de CO2 (y en consecuencia la fotosíntesis y la productividad de las plantas). Los datos de flujo de CO2 se obtuvieron de satélites, a partir de dos bases: la base “PML_V2” y la base “MODIS17A2H”. La producción diaria bruta de carbono se relacionó con la radiación solar difusa. Los datos de flujo de CO2 obtenidos del programa “PML_V2” se ajustan mejor a los datos de radiación solar de Botucatu-SP. Los datos del programa “MODIS17A2H” necesitan más estudios, principalmente en su parametrización, que involucra elementos de la vegetación local. En la ecuación multivariante obtenida para estimar la producción primaria de carbono GPP en función de la radiación solar difusa, el valor de Kt por mes presentó valores de alto desempeño, con r = 0.88, MBE = -6.99% y RMSE = 16.70%.

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Publicado

16/10/2021

Cómo citar

DAL PAI, E. Efecto de la cubierta del cielo sobre la asimilación de CO2. Research, Society and Development, [S. l.], v. 10, n. 13, p. e342101321307, 2021. DOI: 10.33448/rsd-v10i13.21307. Disponível em: https://rsdjournal.org/index.php/rsd/article/view/21307. Acesso em: 27 jul. 2024.

Número

Sección

Ciencias Agrarias y Biológicas