Integrated Resistivity and Ground Penetrating Radar Observations of Underground Seepage of Hot Water at Blawan-Ijen Geothermal Field

IF 1 Q3 GEOCHEMISTRY & GEOPHYSICS
S. Maryanto, Ika Karlina Laila Nur Suciningtyas, C. N. Dewi, A. Rachmansyah
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引用次数: 13

Abstract

Geothermal resource investigation was accomplished for Blawan-Ijen geothermal system. Blawan geothermal field which located in the northern part of Ijen caldera presents hydrothermal activity related with Pedati fault and local graben. There were about 21 hot springs manifestations in Blawan-Ijen area with calculated temperature about 50°C. We have performed several geophysical studies of underground seepage of hot water characterization. The geoelectric resistivity and GPR methods are used in this research because both of them are very sensitive to detect the presence of hot water. These preliminary studies have established reliable methods for hydrothermal survey that can accurately investigate the underground seepage of hot water with shallow depth resolution. We have successfully identified that the underground seepage of hot water in Blawan geothermal field is following the fault direction and river flow which is evidenced by some hot spring along the Banyu Pahit river with resistivity value less than 40 Ωm and medium conductivity.
布拉万-依真地热田热水地下渗流的电阻率和探地雷达综合观测
完成了婆罗湾—伊真地热系统的地热资源调查。位于伊真火山口北部的布拉湾地热田存在与Pedati断裂和局部地堑有关的热液活动。在Blawan-Ijen地区约有21种温泉表现,计算温度约为50℃。我们对地下热水渗流特征进行了多次地球物理研究。由于地电阻率法和探地雷达法对热水的探测都非常敏感,因此本研究采用了这两种方法。这些初步研究为热液测量建立了可靠的方法,能够以浅深度分辨率准确地探测热水地下渗流。成功地确定了勃拉湾地热田地下热水渗流遵循断裂方向和河流流向,并以沿班余帕希特河的部分温泉为佐证,其电阻率值小于40 Ωm,电导率中等。
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来源期刊
International Journal of Geophysics
International Journal of Geophysics GEOCHEMISTRY & GEOPHYSICS-
CiteScore
1.50
自引率
0.00%
发文量
12
审稿时长
21 weeks
期刊介绍: International Journal of Geophysics is a peer-reviewed, Open Access journal that publishes original research articles as well as review articles in all areas of theoretical, observational, applied, and computational geophysics.
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