Present Situation, Causes and Control Measures of Aeolian Sand Disaster in Photovoltaic Power Generation Base in Gonghe Basin, Qinghai Province
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    Abstract:

    [Objective] To reveal the current situation of aeolian hazards in the photovoltaic industrial park of Gonghe Basin, Qinghai Province, and to analyze the causes and thus to put forward specific control mea-sures.[Methods] Dune migration rate and the current situation of aeolian hazards such as sand accumulation amount were measured by Leica total station, and meteorological data were used to analyze the characteristics of regional aeolian environment.[Results] Dune migration and sand accumulation between solar panels were two main patterns of aeolian sand disaster in the study area where dunes were mainly composed of barchans. Sand dunes moved in a rate of 12.56 m/a in the study area. In a photovoltaic garden(99 hm2 in area) suffering from severe aeolian sand disaster, the accumulated sand between solar panels could reach 3 090 m3 during February to April of 2016. The study area belongs to the medium level of aeolian environment with two main prevail sand-driving wind directions of west and north west, which accounted for 92.1% of the annual drift potential.[Conclusion] The strong wind energy, the features of windy and dry weather presenting in the same period and the strong desertification result in the serious aeolian sand disaster in the study area. Hence, a comprehensive sand-control system should be quickly established to combat the aeolian sand disaster.

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谭立海,马鹿,安志山,屈建军,殷代英,刘进辉,王涛.青海省共和盆地光伏发电基地风沙灾害现状、成因及其防治措施[J].水土保持通报英文版,2017,37(3):182-187

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History
  • Received:September 23,2016
  • Revised:November 28,2016
  • Adopted:
  • Online: July 11,2017
  • Published: