GEOGRAPHICAL RESEARCH ›› 1998, Vol. 17 ›› Issue (4): 423-428.doi: 10.11821/yj1998040013

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THE CHANGES OF LAKES ON COASTAL PLAIN ALONG THE LAIZHOU BAY IN HISTORICAL TIMES

Wang Shouchun   

  1. Institute of Geography, Chinese Academy of Sciences, Beijing 100101
  • Received:1998-06-22 Revised:1998-08-29 Online:1998-12-15 Published:1998-12-15

Abstract: This paper researches changes of the lakes on the coastal plain north of the Shandong Peninsular along the Laizhou Bay or the southern rim of the Bohai Sea in North China.According to field investigations,results of archaeo-logical researches and historical records in ancient writings,there were many lakes and marshes on this plain,some lakes were 40 km in length and 20 km in width.They experienced great changes in historical times,some even had their courses migrated,and a number of new lakes appeared in later on.But today almost all of them disa ppeared.The following factors are accountable for the changes of these lakes:changes of coastlines,river course migration and deposition,geo tectonic movements of faults zone,and human activities.The disappearance of these lakes resulted in certain serious environmental problems.And the author put forward suggestions on the construction of some water reservoirs on the positions of the ancient lakes to retain water and to improve the environment.

Key words: coastal plain, Laizhou Bay, changes of lakes, historical times, environmental countermeasure

PACS: 

  • K901.9