ENSO (IMAGE) Science China Press Caption The sea surface anomalies of positive and negative ENSO phase(from https://ifurtado.org/el-nino-southern-oscillation) Credit ©Science China Press Usage Restrictions Use with credit. License Original 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.