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2019 | OriginalPaper | Buchkapitel

8. Convective Momentum Transport and Upscale Interactions in the MJO

verfasst von : Boualem Khouider

Erschienen in: Models for Tropical Climate Dynamics

Verlag: Springer International Publishing

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Abstract

As already discussed, the tropical atmosphere harbours a scale hierarchy of convective wave disturbances that are often embedded in each other like Russian dolls, evolving on a wide spectrum of scales ranging from the individual cloud cell diameter to the size of planetary scale disturbances such as the Madden-Julian oscillation, see Figure 8.1a. A particularly interesting issue is to understand the way these multiscale convective systems interact with each other across temporal and spatial scales. There is enough evidence from both observations and numerical simulations that momentum transport plays a genuine role in these interactions [147, 194, 145, 287, 177, 138, 113]; the smaller embedded waves provide turbulent fluxes for the envelopes, while the larger scale envelope waves provide a background advecting wind for the smaller scale waves.

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Nächstes Kapitel Implementation of the Multicloud Model in an Aquaplanet Global Climate Model

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Titel: Convective Momentum Transport and Upscale Interactions in the MJO
verfasst von: Boualem Khouider
Verlag: Springer International Publishing
Buch: Models for Tropical Climate Dynamics
Print ISBN: 978-3-030-17774-4

Electronic ISBN: 978-3-030-17775-1

Copyright-Jahr: 2019
DOI: https://doi.org/10.1007/978-3-030-17775-1_8

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