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Causas de la variabilidad climática decenal en el Pacífico Norte y América del Norte
Science (New York, N.Y.)
|October 28, 1994
Resumen
La variabilidad climática decenal en el Pacífico Norte y América del Norte está impulsada por las interacciones aire-mar. Este descubrimiento permite el pronóstico climático a largo plazo para el oeste de los Estados Unidos.
Área de la Ciencia:
- Ciencias del clima Ciencias del clima Ciencias del clima
- Oceanografía La oceanografía es la oceanografía.
- Ciencias de la atmósfera Ciencias atmosféricas.
Sus antecedentes:
- Comprender la variabilidad climática decenal es crucial para predecir los patrones climáticos a largo plazo.
- El norte del Pacífico y América del Norte experimentan importantes fluctuaciones climáticas de baja frecuencia.
Objetivo del estudio:
- Investigar las causas de la variabilidad climática decenal en el Pacífico Norte y América del Norte.
- Para identificar los mecanismos clave que impulsan estos cambios climáticos.
Principales métodos:
- Análisis de datos de una integración multidecadal de un modelo acoplado océano-atmósfera.
- Comparación con los datos de observación.
Principales resultados:
- Aproximadamente un tercio de la variabilidad climática de baja frecuencia está vinculada a un ciclo específico.
- Este ciclo implica interacciones inestables aire-mar entre el giro subtropical del Pacífico Norte y el sistema de baja presión de las Aleutianas.
Conclusiones:
- El ciclo identificado de la interacción aire-mar es un conductor primario de la variabilidad climática decadal en la región.
- Este hallazgo proporciona una base científica para desarrollar pronósticos climáticos a largo plazo para el oeste de los Estados Unidos en escalas de tiempo decenales.
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