SOWER/Pacific campaigns are conducted by the financial support from Sumitomo Foundation, Monbusho International Scientific Research Program, and Asahi Breweries Foundation. The observations at San Cristobal are made possible by the collaboration with the Instituto Nacional de Meteorologi e Hidrology (INAMHI), Ecuador.

Abstract || 1. Introduction || 2. Characteristic Ozone Profiles || 3. Contribution of Waves || 4. Summary || References