Abstract
The ocean circulation and climate advanced modeling (OCCAM) project is developing a Global Ocean model suitable for climate studies, especially the investigation of global ocean characteristics. The model acts as a test bed for improved schemes which model ocean physics. The large memory and time requirements for such a study has led to the use of array processors. This chapter provides an outline of the model and the parallel code is given, along with some initial results. The OCCAM model is an array processor version of the geophysical fluid dynamics laboratory (GFDL) modular ocean model. It is based on the Bryan-Cox-Semtner ocean general circulation model, which uses the time-dependent equations. The chapter describes the main features of the model. The initial three year spin up is described, including a description of some problems arising during the run. To avoid problems with the convergence of the longitude-latitude grid at the North Pole a two-grid method is used.
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