The IPCC Data Distribution Centre
ECHAM4/OPYC3 Description

The coupled global model ECHAM4/OPYC3 was developed in co-operation between the Max-Planck-Institute for Meteorology (MPI) and Deutsches Klimarechenzentrum (DKRZ) in Hamburg, Germany. Both models are documented separately. The documentations can be downloaded from the M&D WWW-Server as PostScript-Files:

Report No.6
ECHAM3 - Atmospheric General Circulation Model
Editor: DKRZ-Model User Support Group, October 1992
Postscriptfile (1.5 MB)

Report No.7
The OPYC Ocean General Circulation Model
Joseph M. Oberhuber, October 1992
Postscriptfile (3.9 MB)

The documentation of the version ECHAM4 is in preparation.
The model basics are available form the existing documentation.

Model topography ASCII or PostScript
Land-sea mask ASCII or PostScript
Grid definition
ECHAM4 summary page
OPYC3 summary page