Periodically synchronously coupled integrations with the atmosphere-ocean general circulation model ECHAM3/LSG |
| |
| Authors: | R Voss R Sausen U Cubasch |
| |
| Institution: | Deutsches Klimarechenzentrum, Bundesstr. 55, D-20146 Hamburg, Germany E-mail: reinhard.voss@dkrz.de, DE
Institut für Physik der Atmosph?re, DLR Oberpfaffenhofen, D-82234 We?ling, Germany, DE
|
| |
| Abstract: | A new periodically synchronous coupling scheme has been applied to an atmosphere-ocean general circulation model. Due to
a temporary switching off of the atmospheric model this scheme can considerably reduce computer requirements of coupled model
experiments. In order to evaluate the new coupling scheme the model results are compared to corresponding synchronously coupled
integrations. Experiments with fixed present-day CO2 concentration and a gradual increase of CO2 show a good reproduction of the mean state and the climate-change pattern, respectively. The deviations from the synchronously
coupled experiments are in the range of the variability of the corresponding synchronously coupled runs. Due to the forcing
during the ocean-only periods the short-term fluctuations are underestimated and the long-term variability is overestimated.
Received: 18 February 1997/Accepted: 27 October 1997 |
| |
| Keywords: | |
| 本文献已被 SpringerLink 等数据库收录！ |
|
