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Morfología y dinámica de la capa superior de nubes de Venus
W J Markiewicz1, D V Titov, S S Limaye
1Max-Planck-Institut für Sonnensystemforschung, D-37191 Katlenburg-Lindau, Germany. markiewicz@mps.mpg.de
Nature
|November 30, 2007
Resumen
Venus Venus Venus es el nombre de Venus.
Área de la Ciencia:
- Ciencias planetarias Ciencias planetarias.
- Ciencias de la atmósfera Ciencias atmosféricas.
- Ciencia venusiana La ciencia venusiana es la ciencia venusiana.
Sus antecedentes:
- Venus posee una densa capa de nubes compuesta principalmente de ácido sulfúrico y aerosoles desconocidos.
- La rápida rotación retrógrada, o súper rotación, de las cimas de las nubes de Venus sigue siendo un fenómeno atmosférico inexplicable.
Objetivo del estudio:
- Para investigar las propiedades globales y a pequeña escala de la capa de nubes de Venus.
- Para analizar las variaciones temporales y latitudinales en la dinámica de las nubes.
- Para derivar las velocidades del viento dentro de la atmósfera de Venus.
Principales métodos:
- Utilizando las observaciones de la cámara de monitoreo de Venus a bordo de la nave espacial Venus Express.
- Analizar las propiedades de las nubes, incluyendo el tamaño y la variabilidad de las células convectivas.
- Seguimiento de la velocidad del viento y los cambios atmosféricos.
Principales resultados:
- La región polar sur de Venus exhibe una variabilidad significativa, con cambios rápidos observados.
- Las células convectivas cerca del punto subsolar son más pequeñas de lo que se estimaba anteriormente.
- La evidencia sugiere que estas células están confinadas a la capa superior de la nube.
Conclusiones:
- La rápida variabilidad en la región polar sur puede estar relacionada con la inyección de dióxido de azufre en la mesosfera.
- Las células convectivas más pequeñas indican un confinamiento en la capa superior de nubes, refinando los modelos atmosféricos anteriores.
- Estos hallazgos contribuyen a comprender la dinámica que impulsa la súper rotación atmosférica de Venus.
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