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Estimating the Decoupling Degree of Subtropical Marine Stratocumulus Decks From Satellite
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2018
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Source: Geophysical Research Letters, 45(22)
[PDF-1.01 MB]
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Journal Title:Geophysical Research Letters
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Description:The decoupling degree of stratocumulus (Sc) decks is an important quantity dictating evolutions of Sc. In subtropical oceans, the Sc decoupling is a key intermediate process of the Sc-to-cumulus transitions, a persistent phenomenon that is not fully understood. This study introduces a new approach for estimating the degree of decoupling of subtropical Sc decks using passive satellite sensors. This method is limited to regions where Sc decks are advected over progressively warmer water. This is most common in the subtropics. The estimation concept is that decoupled Sc clouds under cold-advectionconditions are fed by spreading of the tops of cumulus clouds that are coupled. The cumulus clouds constitute a much larger liquid water path over small areas, which is identi fied by a positive skewness of the
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Source:Geophysical Research Letters, 45(22)
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ISSN:0094-8276;1944-8007;
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Rights Information:CC BY-NC-ND
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Compliance:Library
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