Variation Characterics of Water Storage Pond in Changwu Tableland
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    Abstract:

    [Objective] The paper aims to study the evolution processes, variation characteristics, influence factors of the water storage ponds in Changwu tableland according to the survey data in recent years, in order to illuminate the possible role of the water storage pond as a surface water body to recharge of the groundwater.[Methods] Data of water storage ponds was collected by field surveys.[Results] (1) The number and area of water storage pond generally showed a decreasing trend in the study period. In the early 1980s, the changes were relatively slow. However, it shrank faster in the later years. From the year 2010 to 2014, the number and area of water storage pond reduced at a maximum rate per year of-5.71% and-4.80%, respectively.(2) With the economic and social development, the role of water storage pond played in the countryside becomes smaller. With the village layout changes and the ignorance of pond management, lots of ponds are disappearing. Moreover, the storage time of extant ponds becomes shorter, and many of them changed into seasonal storage ponds.(3) As the pond area decreased, the groundwater level also declined, indicating a possible relationships between them. The loss of ponds' replenishment may somehow cause changes in the groundwater level.[Conclusion] Under the influence of human activities, the water storage pond in the Changwu tableland was seriously reduced, and some actions should be taken to recover and construct the water storage ponds in future.

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杨雲舒,刘文兆,宁婷婷,刘春芬.长武塬区涝池演变特征分析[J].水土保持通报英文版,2015,35(5):315-318,322

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History
  • Received:January 26,2015
  • Revised:April 02,2015
  • Online: April 05,2016