Video Experimental Relacionado
Updated: Jul 11, 2026

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Integrating a Triplet-triplet Annihilation Up-conversion System to Enhance Dye-sensitized Solar Cell Response to Sub-bandgap Light
Published on: September 12, 2014
Contribución de las variaciones de la irradiación ultravioleta a los cambios en la irradiación total del Sol
Resumen
La actividad solar influye en la irradiación solar. La radiación ultravioleta, aunque es una pequeña fracción de la energía total, impacta significativamente los cambios en la irradiación solar total durante las transiciones del ciclo solar.
Área de la Ciencia:
- Física del espacio Física del espacio.
- Física solar Física solar es la física de la energía solar.
- Ciencias de la atmósfera ciencia atmosférica.
Sus antecedentes:
- La salida de energía del sol, o la irradiación solar, varía con los ciclos de actividad solar.
- Comprender estas variaciones es crucial para los estudios del clima y el clima espacial.
Objetivo del estudio:
- Para analizar las tendencias en la irradiación solar total y ultravioleta (UV).
- Para correlacionar estas tendencias con los ciclos de actividad solar (Ciclo Solar 21 y 22).
Principales métodos:
- Análisis de los datos de la irradiación solar total medida por satélite desde 1980 en adelante.
- Análisis de los datos de la irradiación solar ultravioleta, específicamente las longitudes de onda entre 200-300 nm.
Principales resultados:
- La irradiación solar total disminuyó desde 1980 hasta mediados de 1985, se estabilizó y luego aumentó.
- La irradiación ultravioleta siguió una tendencia similar, disminuyendo durante el declive del ciclo solar 21 y aumentando con el inicio del ciclo 22.
- La disminución de la irradiación UV (1981-1985) representó el 19% de la disminución total de la irradiación durante ese período.
Conclusiones:
- Las variaciones de la irradiación solar están estrechamente vinculadas a los ciclos de actividad solar.
- La radiación ultravioleta juega un papel desproporcionadamente grande en la variabilidad de la irradiación solar total.
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