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首页> 外文期刊>Journal of the Atmospheric Sciences >Tropical oceanic precipitation changes after the 1991 Pinatubo eruption
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Tropical oceanic precipitation changes after the 1991 Pinatubo eruption

机译:1991年皮纳图博火山爆发后热带海洋降水变化

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Passive microwave channels like those flown on the Special Sensor Microwave Imager (SSM/I) contain two primary types of information on oceanic precipitation: condensate below the freezing level and precipitation-size condensate above the freezing level. The authors explore the question of whether these two separate pieces of information might contain insight into climate processes during a perturbation in the climate system. In particular, the relative fluctuations of rain and ice signals could be related to precipitation efficiency, an important determinant of the equilibrium climate, and thus a potential feedback mechanism in climate change. As an example of this potential application, SSM/I-derived liquid and frozen precipitation signals are used to infer changes in tropical oceanic precipitation characteristics during the cool period following the 1991 eruption of Mount Pinatubo. The need for an assessment of the temperature sensitivity of precipitation-retrieval algorithms is also discussed. [References: 20]
机译:像在特殊传感器微波成像仪(SSM / I)上飞行的被动微波通道一样,包含有关海洋降水的两种主要信息:冻结水平以下的凝结水和冻结水平以上的降水量凝结水。作者探讨了以下问题:这两条单独的信息是否可能包含对气候系统扰动期间的气候过程的了解。特别是,雨和冰信号的相对波动可能与降水效率,平衡气候的重要决定因素以及气候变化的潜在反馈机制有关。作为这种潜在应用的一个例子,1991年皮纳图博火山爆发后的凉爽时期,利用SSM / I衍生的液体和冻结降水信号来推断热带海洋降水特征的变化。还讨论了评估降水检索算法的温度敏感性的需求。 [参考:20]

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