排灌机械工程学报
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排灌机械工程学报  2019, Vol. 37 Issue (7): 625-631    DOI: 10.3969/j.issn.1674-8530.17.0229
农业水土工程 最新目录 | 下期目录 | 过刊浏览 | 高级检索 Previous Articles  |  Next Articles  
土壤点源入渗测量仪在山坡林地应用中的改进
梁羽石,夏卫生*,丁浩东,王小芳,杨云帆
湖南师范大学资源与环境科学学院, 湖南 长沙 410081
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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摘要 为解决山坡林地环境下土壤点源入渗测量法判读困难、自动测量数据误差值较大的问题,添加了人工识别功能以提高试验精度.使用改进后的土壤点源入渗测量仪对衡山山坡林地进行入渗率测量,通过入渗影响因素和拟合分析对入渗结果进行分析,结果显示所测入渗率与土壤特征所反映的入渗规律和拟合结果均相符,验证了土壤点源入渗测量法在林地测量中的可行性,进一步扩展了点源入渗测量仪的测量范围;改进后的土壤点源入渗仪使用人工识别功能所减少的试验误差值在0.3%~31.0%,极大提高了山坡林地入渗率测量的准确性.
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梁羽石
夏卫生*
丁浩东
王小芳
杨云帆
关键词土壤   点源入渗   地表湿润面积   装置改进   山坡林地   入渗率     
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.
Key wordssoil   point source infiltration   surface wetting area   device improvement   hillside woodland   infiltration rate   
收稿日期: 2017-10-29;
基金资助:国家科技支撑计划项目(2015BAD05B02);国家自然科学基金资助项目(41271302);湖南省国土资源厅项目(2014-17);湖南省教学改革项目(121-0328)
引用本文:   
梁羽石,夏卫生*,丁浩东等. 土壤点源入渗测量仪在山坡林地应用中的改进[J]. 排灌机械工程学报, 2019, 37(7): 625-631.
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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