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contributor authorDickinson, Robert E.
date accessioned2017-06-09T14:22:33Z
date available2017-06-09T14:22:33Z
date copyright1981/10/01
date issued1981
identifier issn0022-4928
identifier otherams-18208.pdf
identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4154188
description abstractA zero-dimensional climate model is considered with three thermal reservoirs, i.e., the atmosphere, the surface mixed layer and the intermediate water of the ocean. Realistic values are adopted for the rates of heat transfer between those reservoirs. If heat is added suddenly to the atmosphere, the atmospheric temperature increases a small amount in a few days. Thereafter, the atmosphere and mixed layer increase in temperature. About one-half the mixed-layer response occurs on a time scale of two years and the rest on a time scale of about 100 years. Numerical solution of atmosphere-ocean general circulation models may require asynchronous coupling strategies to link the two models. A semi-implicit approach is considered which generalizes previously suggested schemes. Its convergence and stability are examined by application to the zero-dimensional climate model. It may be unstable if it is made too explicit. On the other hand, the fully implicit approach greatly slows down the response of the mixed layer unless a very short coupling interval is used. With some fraction about equal to 0.05 of the atmosphere-ocean heat transfer made implicit, the asynchronous coupling solutions are close to the correct solution even if a large coupling interval is used.
publisherAmerican Meteorological Society
titleConvergence Rate and Stability of Ocean-Atmosphere Coupling Schemes with a Zero-Dimensional Climate Model
typeJournal Paper
journal volume38
journal issue10
journal titleJournal of the Atmospheric Sciences
identifier doi10.1175/1520-0469(1981)038<2112:CRASOO>2.0.CO;2
journal fristpage2112
journal lastpage2120
treeJournal of the Atmospheric Sciences:;1981:;Volume( 038 ):;issue: 010
contenttypeFulltext


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