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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
Sobre la distribución global de los aerosoles en el aire
Resumen
Las concentraciones globales de aerosoles muestran una distribución simétrica alrededor de la Tierra. Los aerosoles troposféricos ascienden a la estratosfera cerca de las corrientes en chorro, mientras que los aerosoles de superficie se elevan sobre la convergencia intertropical y el frente polar antártico.
Área de la Ciencia:
- Ciencias de la atmósfera Ciencias atmosféricas.
- Investigación en Aerosol Investigación de aerosoles.
- La geofísica es la geofísica.
Sus antecedentes:
- Los aerosoles juegan un papel crucial en el sistema climático de la Tierra.
- Comprender la distribución y el transporte de aerosoles es vital para el modelado climático.
- Estudios anteriores se han centrado en los patrones regionales de aerosoles, lo que requiere una perspectiva global.
Objetivo del estudio:
- Para investigar los patrones de distribución global de los aerosoles atmosféricos.
- Identificar los mecanismos responsables del transporte de aerosoles hacia la estratosfera.
- Para correlacionar las concentraciones de aerosoles con las condiciones meteorológicas.
Principales métodos:
- Las concentraciones de aerosoles se midieron durante una circunnavegación de 54 horas de la Tierra a gran altitud (238-162 milibares).
- Las mediciones simultáneas se tomaron de un vuelo separado a altitudes más bajas sobre el Océano Pacífico.
- Los datos meteorológicos se recogieron simultáneamente para analizar los mecanismos de transporte.
Principales resultados:
- Las concentraciones de aerosoles exhibieron una distribución simétrica alrededor de la Tierra.
- Se observaron aerosoles troposféricos que entraban en la estratosfera en las cercanías de las corrientes de chorro.
- Se encontró que los aerosoles de superficie se transportan a altitudes más altas sobre la convergencia intertropical y el frente polar antártico.
Conclusiones:
- La atmósfera de la Tierra muestra un patrón simétrico en la distribución de aerosoles.
- Las corrientes en chorro actúan como vías para que los aerosoles troposféricos lleguen a la estratosfera.
- Las zonas de convergencia meteorológica específica son importantes para el transporte vertical de aerosoles.
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