摘要
本文阐述了洪泽湖的形成及淮河中游自然地理条件。认为洪泽湖的不断扩大、水位上升以及淮河中游自然地理条件都容易导致洪涝灾害的发生。特别在汛期,洪泽湖水位上升,淮水去路不畅,中游洪涝灾害每百年发生频率由15世纪的13%增至18世纪的35%;行洪时间延长,蚌埠站自“75.8”暴雨洪水涨水开始后的95天才恢复原水情。这必然加重淮河中游灾情和增加灾害发生的频率。建议扩大洪泽湖排水流路,降低洪泽湖水位,进而增加淮河中游的落差,从而达到减轻洪涝的目的。
The formation of Hongze Lake and the physical geographical condition of Huaihe River midstream are described in this article.The Huaihe River midstream is the area liable to flood-waterlogging.As a result of the expanding of lake,the raising of stage and the difficulty to release the water of Huaihe River,the frequency of flood-waterlogging increased from,13%in 15 century to 35%in 18 century with an ever prolonging flood time.It took 95 days for the flood water at the Bangbu station in August 1975 to return to normal,thus greatly aggravated the disaster.Enlargement of che drain-channel of Hongze Lake is strongly suggested to reduce the water level of the lake.
作者
濮静娟
Pu Jingjuan(Institute of Remote Sensing Applications,Academia Sinica,Beijing)
出处
《海洋与湖沼》
1988年第1期27-34,108,共9页
Oceanologia Et Limnologia Sinica
