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Updated: Jun 25, 2026

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Scattering And Absorption of Light in Planetary Regoliths
Published on: July 1, 2019
¿Los satélites detectan tendencias en la radiación solar superficial?
R T Pinker1, B Zhang, E G Dutton
1Department of Meteorology, University of Maryland, College Park, MD 20742, USA.
Resumen
La radiación solar global (S) muestra variaciones a largo plazo que afectan el clima y la energía. Los datos satelitales revelan un aumento de 1983-2001, que difiere de los informes basados en tierra.
Área de la Ciencia:
- Ciencias de la Tierra Ciencias de la Tierra Ciencias de la Tierra
- Ciencias del clima Ciencias del clima Ciencias del clima
- Física de la atmósfera Física de la atmósfera
Sus antecedentes:
- Las variaciones a largo plazo de la radiación solar (S) influyen en el clima, la hidrología, la fotosíntesis y la energía solar.
- Informes anteriores indicaron disminuciones sostenidas en S desde 1960 hasta 1990.
Objetivo del estudio:
- Para estimar las variaciones temporales globales en la radiación solar utilizando el registro satelital más largo.
- Para conciliar las discrepancias entre las mediciones de radiación solar por satélite y terrestres.
Principales métodos:
- Utilizó el registro satelital más largo disponible para el análisis de la radiación solar global (S).
- Comparó las variaciones de S derivadas de satélites con observaciones independientes de satélite y terrestres.
Principales resultados:
- Se observó un aumento general en el S global de 1983 a 2001 de 0,16 W/m2 (0,10%) por año.
- La tendencia comprendió una disminución hasta aproximadamente 1990, seguida de un aumento sostenido.
- Los hallazgos satelitales globales se alinean con los datos satelitales recientes, pero contrastan con las observaciones terrestres.
Conclusiones:
- Los datos satelitales proporcionan una perspectiva global uniforme sobre las tendencias de la radiación solar, que difieren de las limitaciones de las estaciones terrestres.
- El estudio destaca una reciente tendencia al aumento de la radiación solar global después de un período de declive.
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