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ABSTRACT：Over the past decade, some research groups have made progresses in including treatments of stratospheric/tropospheric chemistry in GCMs to produce coupled chemistry-climate models (CCMs). Given the cost of GCMs, and the relative lack of computer power even a few years ago, the details of chemistry that have been included in GCMs are often very limited and even the most sophisticated schemes have made some notable approximations. In this talk we describe the development of a new fully coupled chemistry-climate model and some preliminary results we have obtained from this model including the QBO signals in both dynamical fields and tracer gases, the long term trends in large scale wave activities and stratospheric ozone, etc. |
