Priority Evaluation of Soil-covering Demand on Land Reclamation Project in Mountainous and Hilly Area
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    Abstract:

    [Objective] To determine the area of soil covering, in order to guide the planning and designing in hilly area land reclamation project.[Methods] Using GIS technology, seven indicators including soil construction, traffic condition, site conditions, soil physical and chemical properties were chosen to evaluate the priority of soil-covering demand of a typical land reclamation project in Tongchuan City, Shaanxi Province.[Results] ① The grade Ⅰ priority of soil covering demand of farmland accounted for 46.2% of the total area of the field. The comprehensive benefits of covering soil were high and should be covered by soil preferentially. ② The grade Ⅱ priority of soil covering demand of farmland accounted for 23.7% of the total field, where the covering soil should be made practically according to soil source. ③ The region of grade Ⅲ and grade Ⅳ totally accounted for 30.1% of the field, which had less benefit or necessity of covering soil.[Conclusion] The evaluation results reflected the fact in land reclamation project area and classified the demand of covering soil, which could provide the theoretical foundation for the design and engineering practice.

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董起广,赵磊,陈田庆,雷娜,刘海伟.山地丘陵区土地整治中覆土需求优先度评价[J].水土保持通报英文版,2018,38(1):165-168,174

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History
  • Received:July 14,2017
  • Revised:August 12,2017
  • Adopted:
  • Online: March 08,2018
  • Published: