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Please use this identifier to cite or link to this item: http://hdl.handle.net/10204/811

Title: Numerical simulation of tropical-temperate troughs over Southern Africa using the CSU RAMS model
Authors: Van den Heever, SC
D'Abreton, PC
Tyson, PD
Keywords: Tropical-temperate
CSU-RAMS model
Numerical simulation
Issue Date: Aug-1997
Publisher: Bureau Scientific Publications
Citation: Van den Heever, SC, et al. 1997. Numerical simulation of tropical-temperate troughs over Southern Africa using the CSU RAMS model. South African Journal of Science, vol. 93 (8), pp 359-365
Abstract: Tropical-temperate troughs and their associated cloud bands have been modelled over southern Africa using the Regional Atmospheric Modelling System (RAMS). The correspondence between simulated fields and observational data for both the dry, (1980) and the wet (1981) late summer case studies has been examined. Model simulations reveal that the tropical-temperate troughs form when an upper westerly wave coincides with an easterly, wave or depression in lower levels. These systems occur preferentially over southern Africa (Madagascar) during wet (dry) southern African summers and are a major conduit for the poleward transfer of tropical moisture and energy.
Description: Copyright: 1997 Bureau Scientific Publications
URI: http://hdl.handle.net/10204/811
ISSN: 0038-2353
Appears in Collections:Climate change
General science, engineering & technology

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