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Updated: Jul 12, 2026

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Measurement of Aerosols Optical Thickness of the Atmosphere using the GLOBE Handheld Sun Photometer
Published on: May 29, 2019
Respuesta observada del ozono a las variaciones en la radiación solar ultravioleta
Resumen
Las variaciones de la irradiación solar ultravioleta se correlacionan con los cambios en el ozono tropical. Estos hallazgos sugieren cambios significativos de ozono en la estratosfera superior durante un ciclo solar de 11 años, lo que requiere más mediciones de radiación UV.
Área de la Ciencia:
- Ciencias de la atmósfera Ciencias atmosféricas.
- Física solar Física solar es la física de la energía solar.
- Investigación de la capa de ozono Investigación de la capa de ozono.
Sus antecedentes:
- La irradiación solar ultravioleta (UV) exhibe variaciones cíclicas.
- Las concentraciones de ozono en la estratosfera están influenciadas por la actividad solar.
- Los modelos anteriores sugirieron un vínculo entre los ciclos solares y los niveles de ozono.
Objetivo del estudio:
- Para investigar la relación entre las variaciones de la irradiación solar UV y las concentraciones de ozono tropical.
- Para cuantificar la amplitud de la respuesta del ozono al forzamiento solar.
- Para inferir posibles cambios en el ozono en la estratosfera superior durante ciclos solares más largos.
Principales métodos:
- Análisis de los datos de irradiación solar ultravioleta del invierno de 1979.
- Medición de los valores medios de ozono zonales en los trópicos durante el mismo período.
- Comparación de las variaciones observadas en el ozono con cálculos teóricos.
Principales resultados:
- Se observó una periodicidad de 13,5 días y una variación de amplitud del 1% en la irradiación solar UV.
- Los valores de ozono tropical mostraron una variación correspondiente del 0,25% al 0,60%.
- La respuesta de ozono observada se alinea con, pero puede sobreestimar ligeramente, los cálculos anteriores.
Conclusiones:
- Las variaciones de la irradiación solar UV impactan directamente en los niveles de ozono tropical.
- El ozono a 48 km de altitud podría experimentar hasta un 12% de cambios en un ciclo solar de 11 años.
- La interpretación precisa de los cambios en el ozono estratosférico superior requiere mediciones de la radiación solar UV cerca de 200 nm.
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