NDLI: A variable resolution stretched grid general circulation model: regional climate simulation

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A variable resolution stretched grid general circulation model: regional climate simulation

Content Provider	NASA Technical Reports Server (NTRS)
Author	Takacs, Lawrence L. Fox-Rabinovitz, Michael S. Govindaraju, Ravi C. Suarez, Max J.
Copyright Year	2000
Description	The development of and results obtained with a variable resolution stretched-grid GCM for the regional climate simulation mode, are presented. A global variable resolution stretched- grid used in the study has enhanced horizontal resolution over the U.S. as the area of interest The stretched-grid approach is an ideal tool for representing regional to global scale interaction& It is an alternative to the widely used nested grid approach introduced over a decade ago as a pioneering step in regional climate modeling. The major results of the study are presented for the successful stretched-grid GCM simulation of the anomalous climate event of the 1988 U.S. summer drought- The straightforward (with no updates) two month simulation is performed with 60 km regional resolution- The major drought fields, patterns and characteristics such as the time averaged 500 hPa heights precipitation and the low level jet over the drought area. appear to be close to the verifying analyses for the stretched-grid simulation- In other words, the stretched-grid GCM provides an efficient down-scaling over the area of interest with enhanced horizontal resolution. It is also shown that the GCM skill is sustained throughout the simulation extended to one year. The developed and tested in a simulation mode stretched-grid GCM is a viable tool for regional and subregional climate studies and applications.
File Size	2983732
File Format	PDF
Language	English
Publisher Date	2000-03-13
Access Restriction	Open
Subject Keyword	Meteorology And Climatology Simulation Variability Summer Climate Models Height Grid Generation Mathematics Drought Stretching 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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