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Implications of Self-Potential Distribution for Groundwater Flow System in a Nonvolcanic Mountain Slope
Joint Authors
Kondo, Kazuya
Goto, Tada-nori
Esaki, Keisuke
Tsujimura, Maki
Oouchi, Yasuo
Abe, Yutaka
Ito, Rina
Source
International Journal of Geophysics
Issue
Vol. 2012, Issue 2012 (31 Dec. 2012), pp.1-10, 10 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2012-04-11
Country of Publication
Egypt
No. of Pages
10
Main Subjects
Abstract EN
Self-potential (SP) measurements were conducted at Mt.
Tsukuba, Japan, which is a nonvolcanic mountain, to infer groundwater flow system in the mountain.
Survey routes were set around the northern slope, and the reliability of observed SP anomaly was checked by using SP values along parallel survey routes; the error was almost within 10 mV.
The FFT analysis of the spatial SP distribution allows us a separation of raw data into two components with shorter and longer wavelength.
In the shorter (altitudinal) wavelength than ∼200 meters, several positive SP peaks of more than 100 mV in magnitude are present, which indicate shallow perched water discharges along the slope.
In the regional SP pattern of longer wavelength, there are two major perturbations from the general trend reflecting the topographic effect.
By comparing the SP and hydrological data, the perturbation around the foothill is interpreted to be caused by heterogeneous infiltration at the ground surface.
The perturbation around the summit is also interpreted to be caused by heterogeneous infiltration process, based on a simplified numerical modeling of SP.
As a result, the SP pattern is well explained by groundwater flow and infiltration processes.
Thus, SP data is thought to be very useful for understanding of groundwater flow system on a mountain scale.
American Psychological Association (APA)
Goto, Tada-nori& Kondo, Kazuya& Ito, Rina& Esaki, Keisuke& Oouchi, Yasuo& Abe, Yutaka…[et al.]. 2012. Implications of Self-Potential Distribution for Groundwater Flow System in a Nonvolcanic Mountain Slope. International Journal of Geophysics،Vol. 2012, no. 2012, pp.1-10.
https://search.emarefa.net/detail/BIM-487397
Modern Language Association (MLA)
Goto, Tada-nori…[et al.]. Implications of Self-Potential Distribution for Groundwater Flow System in a Nonvolcanic Mountain Slope. International Journal of Geophysics No. 2012 (2012), pp.1-10.
https://search.emarefa.net/detail/BIM-487397
American Medical Association (AMA)
Goto, Tada-nori& Kondo, Kazuya& Ito, Rina& Esaki, Keisuke& Oouchi, Yasuo& Abe, Yutaka…[et al.]. Implications of Self-Potential Distribution for Groundwater Flow System in a Nonvolcanic Mountain Slope. International Journal of Geophysics. 2012. Vol. 2012, no. 2012, pp.1-10.
https://search.emarefa.net/detail/BIM-487397
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-487397