摘要
通过实测气象、水文数据分析和洪水期雷达卫星影像判读，论述了１９９８年长江流域洪水的雨情、水情和灾情的主要特征，并与１９５４年的相关数据进行了比较。可以认为，１９９８年长江流域洪水是由异常降水引起的，其洪水灾害的主要特征为高水位、长历时，大洪量。１９９８年长江干流洪水总量与１９５４年规模相当。
Analysis on the characteristics of 1998 flood in Yangtze River valley is given based on themeasured meteorological and hydrological data as well as data from radar image during flooding period. with the comparisons of similar data in both 1998 and 1954 flood, total flood discharge in 1998 isclosed to that in 1954, however, longer period of higher water level and heavy lossses are happenedduring 1998 flood.
出处
《自然灾害学报》
CSCD
1999年第1期16-20,共5页
Journal of Natural Disasters
基金
德国学术交流基金会(DAAD)
德国研究理事会(DFG)
国家自然科学基金
关键词
洪水
长江流域
成因分析
水灾
floods
Yangtze River valley, cause analysis
1998
