1997年全球重大气候事件概述

Significant Climate Events in the World during 1997

近年来，全球气候持续偏暖，１９９７年又成为一个多世纪以来最暖的一年。年内赤道中、东太平洋发生了一次本世纪最强的厄尔尼诺事件，全球气候受到重大影响，特别是热带地区出现了大范围的气候异常，高温干旱、暴雨洪水事件此起彼伏，连续不断，造成严重灾害。欧洲、北美前冬和春季严寒多雪；欧洲夏季暴雨频繁，中欧发生了百年不遇的特大洪水；中国北部和朝鲜出现罕见的持续高温干旱天气；美国和加拿大边境地区发生了一百多年来最严重的洪水。

Global climate has been warming up persistently in recent years. The year of 1997 was the warmest year throughout the century. The strongest El Nino episode occurred in the central and eastern Pacific and it has a significant impact on world climate. Especially in the tropical regions, extreme climate events such as hot weather and drought, storms and floods frequently occurred, which resulted in severe disaster. During the early winter, cold and snow weather was experienced in Europe and North America. In summer, storms frequently occurred in Europe and central Europe was hit by the century flood. Persistent high temperature weather and drought appeared in northeastern Asia. The western United States was hit by the severest flood of the recent decades, and the border between the USA and Canada was stricken by the severest flood of the recent 100 years.