排灌机械工程学报
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Journal of Drainage and Irrigation Machinery Engin  2019, Vol. 37 Issue (7): 625-631    DOI: 10.3969/j.issn.1674-8530.17.0229
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Improvement of soil point source infiltration gauge in hillside forest land application
LIANG Yushi,XIA Weisheng*,DING Haodong,WANG Xiaofang,YANG Yunfan
College of Resources and Environmental Sciences, Hunan Normal University, Changsha, Hunan 410081, China
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Abstract To solve the problem that data in soil point source infiltration experiment is difficult to read, and the error value is relatively large in data of automatic measurement in hillside forest environment, an artificial recognition function is added to improve the experimental precision. The improved soil infiltration measurement instrument was used to measure infiltration rate of the hillside forest land in Mountain Heng, and the results were summarized through an analysis of infiltration rate influencing factors and their curve fitting. Results show that the measured infiltration rates and their fitted curves are consistent with the characteristics of infiltration rate of common soil. This verifies that the point source infiltration experiment is feasible in the infiltration measurement of hillside forest land and the application scape of point source infiltration experimental method has been expanded. The updated soil source infiltration apparatus using the artificial identification reduces the experimental error to 0.3%-31% and the accuracy in infiltration rate measurement of hillside forest land has been improved greatly.
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Articles by authors
LIANG Yu-Shi
XIA Wei-Sheng-*
DING Hao-Dong
WANG Xiao-Fang
YANG Yun-Fan
Key wordssoil   point source infiltration   surface wetting area   device improvement   hillside woodland   infiltration rate     
Received: 2017-10-29;
Cite this article:   
LIANG Yu-Shi,XIA Wei-Sheng-*,DING Hao-Dong et al. Improvement of soil point source infiltration gauge in hillside forest land application[J]. Journal of Drainage and Irrigation Machinery Engin, 2019, 37(7): 625-631.
 
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