洪泽湖演变的历史过程及其背景分析

Research on the Processes and Backgrounds of the Changes of the Hong ze Lake during Historical Period

本文探讨了洪泽湖形成及演变的历史过程，并对其历史背景进行了分析。认为黄河夺淮和高家堰的修筑是洪泽湖形成的两个重要条件。洪泽湖的演变经历了为五个阶段，即：明代中叶以前湖涧并存阶段；明中后期东部湖面扩展阶段；明末清初湖盆淤淀及清口门限沙充分发展阶段；康乾时期湖面西扩阶段及康熙中期以后的洪泽湖水库阶段。洪泽湖演变的模式为：清口处淤淀──修筑高家堰（抬高水位，蓄清刷沙）──刷沙阶段性成功──清口处再淤淀──加高高家堰──又是剧沙阶段性成功──清口再淤淀……湖面随水位的递增不断扩大。

Based on the analyses of Historical documents, this thesisdiscusses the processes and backgrounds of the changes of theHongze Lake and summarizes the pattern of the changes. It alsopoints out that the Huanghe River and the Gaojia Dam are essential to the formation of the Hongze Lake. Besides, some viewson the deposition of the Hongze Lake are put forward. The writer makes an emphatic study of the five phases and the pattern ofthe process of the changes.