NDLI: Toward realistic simulation of low-level clouds using a multiscale modeling framework with a third-order turbulence closure in its cloud-resolving model component

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Toward realistic simulation of low-level clouds using a multiscale modeling framework with a third-order turbulence closure in its cloud-resolving model component

Content Provider	NASA Technical Reports Server (NTRS)
Author	Cheng, Anning Xu, Kuan-Man
Copyright Year	2010
Description	This study presents preliminary results from a multiscale modeling framework (MMF) with an advanced third-order turbulence closure in its cloud-resolving model (CRM) component. In the original MMF, the Community Atmosphere Model (CAM3.5) is used as the host general circulation model (GCM), and the System for Atmospheric Modeling with a first-order turbulence closure is used as the CRM for representing cloud processes in each grid box of the GCM. The results of annual and seasonal means and diurnal variability are compared between the modified and original MMFs and the CAM3.5. The global distributions of low-level cloud amounts and precipitation and the amounts of low-level clouds in the subtropics and middle-level clouds in mid-latitude storm track regions in the modified MMF show substantial improvement relative to the original MMF when both are compared to observations. Some improvements can also be seen in the diurnal variability of precipitation.
File Size	43980
Page Count	1
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_20110012486
Archival Resource Key	ark:/13960/t79s6r77b
Language	English
Publisher Date	2010-06-22
Access Restriction	Open
Subject Keyword	Meteorology And Climatology Atmospheric General Circulation Models Turbulence Storms Cloud Physics Simulation Atmospheric Models Variability Clouds Meteorology Precipitation Meteorology Resolution Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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