Papers - IOKA Seiichiro
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Potentiometric measurement of redox potential in acidic rivers around Mutsu Hiuchi Dake Volcano, Japan
Seiichiro Ioka, Yota Suzuki, Sachi Wakasa, Hirofumi Muraoka
H2Open Journal 8 ( 4 ) 240 - 251 2025.6
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Thermal decomposition kinetics of synthesized calcite and fishery wastes such as shell of bivalves, and spines of a sea urchin
Hidekazu Kobatake, Akira Akahira, Seiichiro Ioka, Shinji Kirihara
Eco-Engineering 34 ( 2 ) 27 - 35 2022.4
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Shadow effect of the pH distribution of surface waters around the Kakkonda geothermal field, Japan
Suzuki, Y., Ioka, S., Muraoka, H. and Asanuma, H.
Geothermics 95 102111 2021.9
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Vulnerability of groundwater to iron and manganese contamination in the coastal alluvial plain of a developing Indonesian city
Rusydi, A. F., Onodera, S., Saito, M., Ioka, S., Maria, R., Ridwansyah, I. and Delinom, R.
S. N. Applied Sciences 3 ( 4 ) 2021.4
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Species and potential sources of phosphorus in groundwater in and around Mataram City, Lombok Island, Indonesia
Ioka, S., Onodera, S., Saito, M., Rusydi, A. F., Bakti, H. and Wakasa, A. S.
S. N. Applied Sciences 3 ( 1 ) 2021.1
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Estimation of ammonium sources in Indonesia coastal alluvial groundwater using Cl and GIS
Rusydi, A. F., Saito, M., Ioka, S., Maria, R. and Onodera, S.
17 ( 62 ) 53 - 58 2019.10
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Redox potential of shallow groundwater by 1-month continuous in situ potentiometric measurements
Ioka, S., Muraoka, H. and Suzuki, Y.
Applied Water Science 7 ( 6 ) 3095 - 3101 2017.10
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Geothermal resource exploration by stream pH mapping in Mutsu Hiuchi Dake volcano, Japan
Suzuki, Y., Ioka, S. and Muraoka, H.
Energies 10 ( 7 ) 1009-1 - 1009-11 2017.7
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In situ redox potential measurements as a monitoring technique of hot spring water quality
Ioka, S., Muraoka, H., Matsuyama, K., and Tomita, K.
Sustainable Water Resources Management 2 ( 4 ) 353 - 358 2016.12
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Comparative study of the subsurface thermal structure in northern Honshu, Japan, based on normalized temperature data and solute geothermometers
Suzuki, Y., Ioka, S. and Muraoka, H.
Energies 9 ( 5 ) 382:1 - 9 2016.5
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Assessment of development potential of ground-coupled heat pump system in Tsugaru Plain, Japan
Shrestha, G., Uchida, Y., Yoshioka, M., Fujii, H. and Ioka, S.
Renewable Energy 76 249 - 257 2015.4
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Detetmining the maximum depth of hydrothermal circulation using geothermal mapping and seismicity to delineate the depth to brittle-plastic transition in Northern Honshu, Japan
Suzuki, Y., Ioka, S. and Muraoka, H.
Energies 7 ( 5 ) 3503 - 3511 2014.5
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An estimate of energy availability via microbial sulfate reduction at a Quaternary aquifer in northern Japan considered for low temperature thermal energy storage
Ioka, S. and Muraoka, H.
Water 6 ( 4 ) 858 - 867 2014.4
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Meter-scale heterogeneity of nitrate concentrations of groundwater in aquitards
Ioka, S. and Tase, N.
Journal of Japanese Association of Hydrological Sciences 41 ( 4 ) 113 - 129 2011.11
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Long-term continuous in-situ potentiometrically measured redox potential in anoxic groundwater with high methane and iron contents
Ioka, S., Sakai, T., Igarashi, T. and Ishijima, Y.
Environmental Earth Sciences 64 ( 1 ) 143 - 149 2011.9
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Determination of redox potential of sulfidic groundwater in unconsolidated sediments by long-term continuous in situ potentiometric measurements
Ioka, S., Sakai, T., Igarashi, T. and Ishijima, Y.
Environmental Monitoring and Assessment 178 ( 1-4 ) 171 - 178 2011.7
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Spatiotemporal variations in the abundances of the prokaryotic rRNA genes, pmoA, and mcrA in the deep layers of a peat bog in Sarobetsu-genya wetland, Japan
Akiyama,M., Shimizu, S., Sakai,T., Ioka, S., Ishijima, Y. and Naganuma, T.
Limnology 12 ( 1 ) 1 - 9 2011.4
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Geomicrobiological Properties of Ultra-Deep Granitic Groundwater from the Mizunami Underground Research Laboratory (MIU), Central Japan
Fukuda, A., Hagiwara, H., Ishimura, T., Kouduka, M., Ioka, S., Amano, Y., Tsunogai, U., Suzuki, Y. and Mizuno, T.
Microbial Ecology 60 ( 1 ) 214 - 225 2010.7
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Particulate organic carbon concentrations in anoxic groundwater in Quaternary deposit of Horonobe town, Hokkaido, Japan
Ioka, S., Sakai, T., Igarashi, T. and Ishijima, Y.
Journal of Groundwater Hydrology 52 ( 5 ) 205 - 210 2010.5
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Hydrochemical baseline condition of groundwater at the Mizunami underground research laboratory (MIU)
Iwatsuki, T., Furue, R., Mie, H., Ioka, S. and Mizuno, T.
Applied Geochemistry 20 2283 - 2302 2005.12