Figure (IMAGE) Science China Press Caption Sea surface temperature anomaly (a, b)，sea surface salinity anomaly (d, f) and their corresponding indexes (e, f) for two types of El Niño events: EP (left) and CP El Niño events (right). 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.