Application of Wenner Configuration to Estimate Soil Water Content in Pine Plantations on Sandy Land

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Application of Wenner Configuration to Estimate Soil Water Content in Pine Plantations on Sandy Land

机译：Wenner组态在沙地松树人工林土壤水分含量估算中的应用。

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To estimate the mean value of surface soil water content rapidly, accurately, and nonintrusively, field investigations on soil electrical resistivity (SER) with the Yokogawa 324400 earth resistivity meter and the surface (0-150 cm) soil water content (SWC) with time domain reflectometry (TDR), together with the abiotic factors including soil texture, structure,and salinity concentrations were conducted in the Mongolian pine (Pinus sylvestris var. mongolica) plantations on a sandy land. The measurement of SER was based on the 4-probe Wenner configuration method. Relationships between the values of SWC and SER were obtained based on analysis of the abiotic factors of the research site, which play a key role in affecting the soil electrical resistivity. Results indicate that the SER meter could be used to estimate the mean value of SWC in the Mongolian pine plantations on the sandy land during the growing seasons. The bulky nature of the equipment simplified the cumbersome measurements of soil water content with the general methods. It must be noted that the Wenner configuration method could only provide the mean values of the SWC, and the soil texture, structure,temperature, and solute concentrations influenced the SER and further affected the estimation of the SWC by the SER meter. Therefore, the results of this study could be applied on a sandy land during the growing seasons only. However,the SWC of other soil types also may be obtained according to the individual soil types using the procedures of this study.

机译：为了快速，准确，无干扰地估算地表土壤含水量的平均值，请使用横河电机324400接地电阻率仪对土壤电阻率（SER）和随时间变化的地表土壤（0-150 cm）进行田间调查在沙地上的蒙古松（Pinus sylvestris var.mongolica）人工林中进行了域反射法（TDR），以及包括土壤质地，结构和盐度浓度在内的非生物因素。 SER的测量基于4探针Wenner配置方法。通过分析研究现场的非生物因素，得出SWC和SER值之间的关系，这些因素在影响土壤电阻率中起着关键作用。结果表明，SER计可用于估算生长季节沙地上的蒙古松人工林的SWC平均值。该设备的庞大性质简化了用常规方法进行的土壤水分含量的繁琐测量。必须注意的是，Wenner配置方法只能提供SWC的平均值，而土壤质地，结构，温度和溶质浓度会影响SER，并进一步影响SER计对SWC的估算。因此，这项研究的结果只能在生长季节的沙地上使用。但是，其他土壤类型的SWC也可以根据本研究程序根据各个土壤类型获得。

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《土壤圈（英文版）》 |2007年第6期|801-812|共12页
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作者单位

Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016 China;

Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016 China;

Graduate School, Chinese Academy of Sciences, Beijing 100039 China;

Shanghai Jiaotong University, Shanghai 200240 China;

Faculty of Agriculture, Niigata University, Niigata 950-2181 Japan;

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收录信息中国科学引文数据库(CSCD);中国科技论文与引文数据库(CSTPCD);
原文格式 PDF
正文语种 chi
中图分类农业基础科学;
关键词
Mongolian pine plantation, sandy land, soil electrical resistivity, soil water content, Wenner configuration method;

机译：蒙古松人工林;沙地;土壤电阻率;土壤含水量;Wenner配置方法;

Application of Wenner Configuration to Estimate Soil Water Content in Pine Plantations on Sandy Land

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