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Modeling and Characterization of Cloud Dynamics

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Title: Modeling and Characterization of Cloud Dynamics
Authors: Yanagita, Tatsuo1 Browse this author →KAKEN DB
Kaneko, Kunihiko Browse this author
Authors(alt): 柳田, 達雄1
Issue Date: 2-Jun-1997
Publisher: American Physical Society
Volume: 78
Issue: 22
Start Page: 4297
End Page: 4300
Publisher DOI: 10.1103/PhysRevLett.78.4297
Abstract: A phenomenological model for cloud dynamics is proposed, which consists of the successive operations of the physical processes: buoyancy, diffusion, viscosity, adiabatic expansion, fall of a droplet by gravity, descent flow dragged by the falling droplet, and advection. Through extensive simulations, the phases corresponding to stratus, cumulus, stratocumulus, and cumulonimbus are found by changing the ground temperature and the moisture of the air. They are characterized by order parameters such as the cluster number, perimeter-to-area ratio of a cloud, and Kolmogorov-Sinai entropy. Though our model is simple and constructive, it may shed some light on the true nature of clouds.
Rights: Copyright © 1997 American Physical Society
Type: article
Appears in Collections:電子科学研究所 (Research Institute for Electronic Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 柳田 達雄

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