Two types of interannual variability of South China Sea summer monsoon onset related to the SST anomalies before and after 1993/94

Boqi Liu, Chinese Academy of Meteorological Sciences, Institute of Climate System, Beijing, China, Zhu Congwen, CAMS Chinese Academy of Meteorological Sciences, Beijing, China, Yuan Yuan, National Climate Center, Chinese Meteorological Administration, Beijing, China and Kang Xu, South China Sea Institute of Oceanology, Chinese Academy of Sciences, State Key Laboratory of Tropical Oceanography, Guangzhou, China