Arid
DOI10.1029/95WR01949
NONINVASIVE SOIL-WATER CONTENT MEASUREMENT USING ELECTROMAGNETIC INDUCTION
SHEETS, KR; HENDRICKX, JMH
来源期刊WATER RESOURCES RESEARCH
ISSN0043-1397
出版年1995
卷号31期号:10页码:2401-2409
英文摘要

The feasibility of soil water content measurement using electromagnetic induction was investigated in an arid region of southern New Mexico. Soil water measurements were taken monthly with a neutron probe at 65 equally spaced stations along a 1950-m transect. At the same time, noninvasive electrical conductivity measurements of the soil were taken with a Geonics EM-31 ground conductivity meter. Using 16 months of measurements, we found a linear relationship exists between bulk soil electrical conductivity and total soil water content in the top 1.5 m of the profile. A simple linear regression model was developed to describe the relationship between soil water content and bulk soil electrical conductivity. The spatial and temporal accuracy of the regression model is addressed as well as the total number of neutron access tubes needed to accurately calibrate the model. By comparison with the neutron scattering method the electromagnetic induction method is quite accurate for the prediction of water content changes over time. The speed and ease of use combined with the accuracy of the measurements make the ground conductivity meter a valuable tool for rapid, noninvasive soil water measurements.


类型Article
语种英语
国家USA
收录类别SCI-E
WOS记录号WOS:A1995RX71500002
WOS关键词ELECTRICAL-CONDUCTIVITY ; SALINITY
WOS类目Environmental Sciences ; Limnology ; Water Resources
WOS研究方向Environmental Sciences & Ecology ; Marine & Freshwater Biology ; Water Resources
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/132155
作者单位(1)NEW MEXICO INST MIN & TECHNOL,DEPT GEOSCI,HYDROL PROGRAM,SOCORRO,NM 87801;(2)CH2M HILL INC,OAKLAND,CA 94604;(3)NEW MEXICO INST MIN & TECHNOL,GEOPHYS RES CTR,SOCORRO,NM 87801
推荐引用方式
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SHEETS, KR,HENDRICKX, JMH. NONINVASIVE SOIL-WATER CONTENT MEASUREMENT USING ELECTROMAGNETIC INDUCTION[J],1995,31(10):2401-2409.
APA SHEETS, KR,&HENDRICKX, JMH.(1995).NONINVASIVE SOIL-WATER CONTENT MEASUREMENT USING ELECTROMAGNETIC INDUCTION.WATER RESOURCES RESEARCH,31(10),2401-2409.
MLA SHEETS, KR,et al."NONINVASIVE SOIL-WATER CONTENT MEASUREMENT USING ELECTROMAGNETIC INDUCTION".WATER RESOURCES RESEARCH 31.10(1995):2401-2409.
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