Application of vertical electrical sounding method to identify distribution of hot groundwater around the hotsprings in geothermal prospect area

Mariyanto; Has Priahadena; Wahyudi W. Parnadi

doi:10.1071/ASEG2016ab144

25th International Conference and Exhibition – Interpreting the Past, Discovering the Future

ISSN: 2202-0586
E-ISSN:

oa Application of vertical electrical sounding method to identify distribution of hot groundwater around the hotsprings in geothermal prospect area
Authors Mariyanto^a, Has Priahadena^b and Wahyudi W. Parnadi^c
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^a Institute of Technology Bandung, Jl. Ganesha 10, ITB, Bandung, , Indonesia, [email protected] ^b Institute of Technology Bandung, Jl. Ganesha 10, ITB, Bandung, , Indonesia, [email protected] ^c Institute of Technology Bandung, Jl. Ganesha 10, ITB, Bandung, , Indonesia, [email protected]
Publisher: Australian Society of Exploration Geophysicists
Source: ASEG Extended Abstracts, Volume 2016, Issue 25th International Conference and Exhibition – Interpreting the Past, Discovering the Future, Dec 2016, p. 1 - 5
DOI: https://doi.org/10.1071/ASEG2016ab144
- Published online: 01 Dec 2016

Abstract

Field survey with geoelectric method has been conducted in the Songgoriti geothermal prospect area, Malang, Indonesia. This area is located between Mount Arjuno and Mount Welirang. The aim of this study is to identify the distribution of hot groundwater. Subsurface resistivity data acquisition is done by using Vertical Electrical Sounding (VES) in the four sounding points around the hotsprings with a maximum path length of 160 meters. Data from this measurement is the apparent resistivity that be a response model of the subsurface rock model parameters at each depth. The true resistivity of the subsurface model parameters is determined by inversion modeling. Result of data processing generates a resistivity model of each layer of rock at depth. This study successfully estimate the hot groundwater aquifer layer in the study area. The layer of hot groundwater aquifer is identified by low resistivity in the VES-1 point, VES-2 point and VES-3 point with different depth and thickness. Resistivity of hot groundwater layer is about 19.543.1 ohmmeter with the largest thickness in VES-3 point with the direction of orientation from Mount Welirang to southeast.

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References

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Ward, Stanley H., 1990, “Resistivity and Induced Polarization Method. In Geotechniacal and Environmental Geophysics, Volume 1: Review and Tutorial”, Society of Exploration Geophysics Investigation in Geophysics, 147-189FLEXChip Signal Processor (MC68175/D)

/content/journals/10.1071/ASEG2016ab144

Article Type: Research Article

Keyword(s): geothermal; hot groundwater; hotsprings; resistivity; VES

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oa Application of vertical electrical sounding method to identify distribution of hot groundwater around the hotsprings in geothermal prospect area

Abstract

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