Fig 1 Schematic Illustration (IMAGE) Institute for Basic Science Caption Schematic illustration of the two atmosphere/ocean oscillations that contribute to the complexity of the El Niño-Southern Oscillation and its impacts on various sectors of society. Identified by computer models, these oscillations with periods of 2-3 and 3-7 years are associated with central and eastern equatorial Pacific warming, respectively. Credit ICCP Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.