Changes of Wind Erosion and Wind Deposition on Surfaces of Newly Reclaimed Land in Cele County of Xinjiang Wei Autonomous Region
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    Abstract:

    Pin-plugged method and meteorological observation method were adopted for analyzing wind erosion and wind deposition changes on surfaces of farmlands reclaimed in two years and in one year in Cele County of Xinjiang Wei Autonomous Region. The result indicates that wind deposition occurred in the range of 0-3 H (tree height) before and behind shelter belts along prevailing wind direction, the wind deposition volume upwind shelterbelt was more than that on the surface of downwind shelterbelt obviously, and on the surface of the middle part between two shelter belts it mainly showed wind erosion. Winter wheat planted in front of jujube tree seedlings could resist effectively wind erosion around jujube tree seedlings' roots in certain degree. On the surfaces of three natural underlying surfaces preserved with different vegetation coverage, the higher the vegetation coverage and plant height were, the stronger the resistance and wind deposition ability were. Because it was loose and bare surface without cultivation and there was no vegetation on newly reclaimed land, maximum wind erosion amount occurred in every same phase. Wind erosion and wind deposition changes not only have close relationship with vegetation coverage, shelter belts' structure, wind velocity and wind direction, but also have relationship with surface microtopography.

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毛东雷,雷加强,庞营军,王翠,周杰,再努拉&#;热和木吐拉.新疆策勒县新开垦农田地表蚀积变化[J].水土保持通报英文版,2014,(3):61-68

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History
  • Received:December 12,2012
  • Revised:April 22,2013
  • Adopted:
  • Online: March 29,2016
  • Published: