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《Journal of Anhui Agricultural Sciences》 2008-29
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Study on the Method of Quantitative Observation on Soil Wind Erosion in Field

ZHAO Pei-yi et al(Forestry College,Inner Mongolia Agricultural University,Hohhot,Inner Mongolia 010018)  
[Objective] The study was to introduce a new method of quantitative observation on soil wind erosion in field.[Method] On the basis of comprehensively analyzing the advantages and disadvantages of main methods of observation on soil wind erosion rate,a new method of quantitative observation on soil wind erosion in field was proposed.[Result] The most advantage of wind erosion circle was simple and practical,easily carrying,and it could be placed in field in long-term and it could implement the quantitative qbservation on soil wind erosion.When the wind erosion cycle was inlaid in soil,its surface was at the same horizontal level with the ground,and it could prevent the effect of local microtopography on the process of wind erosion.The nylon cloth at the bottom of wind erosion cycle had better venting quality and water permeability,and it could maintain soil condition of soil sample in wind erosion cycle being uniform with that of surroundings,and made the observed data close to practice.The most disadvantages of wind erosion cycle was that some soil sample could easily ran out of the cycle when soil sample was put into or take out of erosion cycle,witch affected the accuracy of the observation value.[Conclusion] The method with wind erosion cycle was a more practical method for field observation,it could be used to determine wind erosion rate in unit area,and could implement quantitative and continuous monitoring in wind erosion seasons in windy desert areas.
【Fund】: 国家自然科学基金项目(40661009);; 国家“十一五”科技支撑计划项目(2006BAD29B09 2006BAD15B05)
【CateGory Index】: S157
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