MJO及海温异常对云南2019年春季干旱的影响

罗冬莉, 赵尔旭, 万云霞

Influence of the MJO and sea surface temperature anomalies on spring drought in 2019 in Yunnan

LUO Dongli, ZHAO Erxu, WAN Yunxia

图7 1979—2018年3月（a）及4月（b）Ni?o3.4指数、WYI、WI的逐年变化

Fig.7 Yearly variations of the Ni?o3.4 index, WYI, and WI in March (a) and April (b) during the period of 1979-2018