A cloud resolving model as a cloud parameterization in the NCAR community climate system model: Preliminary results

M. F. Khairoutdinov; D. A. Randall

doi:10.1029/2001GL013552

A cloud resolving model as a cloud parameterization in the NCAR community climate system model: Preliminary results

M. F. Khairoutdinov
, D. A. Randall

Office of the Dean SOMAS

Colorado State University

Research output: Contribution to journal › Article › peer-review

388 Scopus citations

Abstract

Preliminary results of a short climate simulation with a 2-D cloud resolving model (CRM) installed into each grid column of an NCAR Community Climate System Model (CCSM) are presented. The CRM replaces the conventional convective and stratiform cloud parameterizations, and allows for explicit computation of the global cloud fraction distribution for radiation computations. The extreme computational cost of the combined CCSM/CRM model has thus far limited us to a two-month long climate simulation (December-January) using 2.8° × 2.8° resolution. The simulated geographical distributions of the total rainfall, precipitable water, cloud cover, and Earth radiation budget, for the month of January, look very reasonable.

Original language	English
Pages (from-to)	3617-3620
Number of pages	4
Journal	Geophysical Research Letters
Volume	28
Issue number	18
DOIs	https://doi.org/10.1029/2001GL013552
State	Published - Sep 15 2001

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10.1029/2001GL013552

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abstract = "Preliminary results of a short climate simulation with a 2-D cloud resolving model (CRM) installed into each grid column of an NCAR Community Climate System Model (CCSM) are presented. The CRM replaces the conventional convective and stratiform cloud parameterizations, and allows for explicit computation of the global cloud fraction distribution for radiation computations. The extreme computational cost of the combined CCSM/CRM model has thus far limited us to a two-month long climate simulation (December-January) using 2.8° × 2.8° resolution. The simulated geographical distributions of the total rainfall, precipitable water, cloud cover, and Earth radiation budget, for the month of January, look very reasonable.",

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A cloud resolving model as a cloud parameterization in the NCAR community climate system model: Preliminary results

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