Global-scale ocean dynamics related to El Niño-Southern Oscillation (ENSO) was the focus of the 21st International Colloquium on Ocean Dynamics. ENSO provides modelers a great deal of data revealing correlation between sea surface temperature (SST) anomalies and atmospheric pressure differentials in the tropics. (See Enfield  for an excellent review of the data.)
The meeting was held May 8–12, 1989, at the University of Liege, Belgium. More than 50 scientists attended, from Australia, Belgium, Canada, Federal Republic of Germany, France, Hungary, Italy, Japan, Netherlands, People's Republic of China, Spain, U.K., U.S., and U.S.S.R.