1993 年 48 巻 5 号 p. 607-610
An extremely severe flooding took place in early summer of 1991 in the Yangtze--Huaihe Rivers with a loss of US $1.4 billions. In this region in past 40 years, all 3 extremely severe floodings and all 5 severe floodings were observed in same year or next year of El Nino event. The propagation route of impact of El Nino on atmospheric circulation and flooding is also discussed in this paperr