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La erupción volcánica del Monte Santa Helena del 18 de mayo de 1980: efecto climático mínimo
Science (New York, N.Y.)
|June 19, 1981
Resumen
La erupción del Monte St. Helens causó un impacto climático menor, con temperaturas superficiales simuladas que cayeron solo 0.1 grados C. Este efecto de enfriamiento es demasiado pequeño para ser detectado en medio de la variabilidad climática natural.
Área de la Ciencia:
- Ciencias del clima Ciencias del clima Ciencias del clima
- Volcanología Volcanología.
- Ciencias de la atmósfera ciencia atmosférica.
Sus antecedentes:
- Las erupciones volcánicas pueden inyectar aerosoles en la estratosfera, influyendo en el clima global.
- La erupción del Monte St. Helens en 1980 fue un evento volcánico significativo con implicaciones climáticas potenciales.
Objetivo del estudio:
- Para simular el impacto climático de la erupción del Monte St. Helens de 1980 utilizando un modelo numérico.
- Para cuantificar los posibles cambios de temperatura superficial resultantes de la erupción.
Principales métodos:
- Utilizó un modelo climático numérico de equilibrio energético.
- Simuló los efectos atmosféricos después de la erupción del Monte St. Helens.
Principales resultados:
- El modelo predijo una disminución máxima de la temperatura superficial de 0,1 grados C.
- Este enfriamiento simulado se observó principalmente en las regiones polares durante el invierno.
- Se descubrió que el cambio de temperatura proyectado era un orden de magnitud menor que la variabilidad climática natural.
Conclusiones:
- El impacto climático de la erupción del Monte St. Helens, tal como se simula, es probablemente indetectable.
- La variabilidad natural del clima enmascara los sutiles efectos de temperatura de este evento volcánico.
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