Thu. May 25, 2017 9:00 AM - 10:30 AM A05 (Tokyo Bay Makuhari Hall)

[JJ] Oral
| S (Solid Earth Sciences)
| S-VC Volcanology

[S-VC48] [JJ] Hydrothermal systems of volcanoes

convener:Yasuhiro Fujimitsu(Department of Earth Resources Engineering, Faculty of Engineering, Kyushu University), Tsuneomi Kagiyama(Graduate School of Science, Kyoto University), Takeshi Ohba(Department of chemistry, School of Science, Tokia University), Chairperson:Yasuhiro Fujimitsu(Department of Earth Resources Engineering, Faculty of Engineering, Kyushu University), Chairperson:Takeshi Ohba(Department of chemistry, School of Science, Tokia University)

Thu. May 25, 2017 10:45 AM - 12:15 PM Poster Hall (International Exhibition Hall HALL7)

[JJ] Poster
| S (Solid Earth Sciences)
| S-VC Volcanology

[S-VC48] [JJ] Hydrothermal systems of volcanoes

convener:Yasuhiro Fujimitsu(Department of Earth Resources Engineering, Faculty of Engineering, Kyushu University), Tsuneomi Kagiyama(Graduate School of Science, Kyoto University), Takeshi Ohba(Department of chemistry, School of Science, Tokia University)

Mon. May 22, 2017 10:45 AM - 12:15 PM 301A (International Conference Hall 3F)

[EJ] Oral
| A (Atmospheric and Hydrospheric Sciences)
| A-HW Hydrology & Water Environment

[A-HW34] [EJ] Hydrological Cycle and Water Environment

10:45 AM - 11:00 AM

[AHW34-06] Seasonal variation of major ions and trace element distribution in streams draining the mineralized Lom Basin, East Cameroon

*Mumbfu Ernestine Mimba^1,2, Takeshi Ohba¹, Salomon César Nguemhe Fils², Mengnjo Jude Wirmvem¹, Festus Tongwa Aka² (1.Department of Chemistry, School of Science, Tokai University, 2.Institute of Geological and Mining Research)

Sat. May 20, 2017 9:00 AM - 10:30 AM 304 (International Conference Hall 3F)

[EJ] Oral
| A (Atmospheric and Hydrospheric Sciences)
| A-HW Hydrology & Water Environment

[A-HW35] [EJ] Isotope Hydrology 2017

9:25 AM - 9:45 AM

[AHW35-02] The isotopic ratios of the hot springs in the Jigokudani Valley, Tateyama Volcano

★Invited papers

*Kaori Seki¹, Takeshi Ohba², Shinnosuke Aoyama¹, Yuichiro Ueno¹, Wataru Kanda¹, Toshiya Tanbo³ (1.Department of Earth and Planetary Sciences, Tokyo Institute of Technology, 2.Department of chemistry, School of Science, Tokia University, 3.Tateyama Caldera Sabo Museum, Toyama Prefecture)

Tue. May 23, 2017 3:30 PM - 5:00 PM 301A (International Conference Hall 3F)

[JJ] Oral
| A (Atmospheric and Hydrospheric Sciences)
| A-TT Technology &Techniques

[A-TT42] [JJ] Applying flying boat for promoting Clinical Geosciences

4:30 PM - 4:45 PM

[ATT42-05] Prompt recognition of submarine volcanic activity based on detection of mantle-derived volatiles in seawater collected using a flying boat

*Hirochika Sumino¹, Urumu Tsunogai², Takanori Kagoshima³, Kaori Kawana¹, Toshiya Mori⁴, Takeshi Ohba⁵ (1.Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, 2.Graduate School of Environmental Studies, Nagoya University, 3.AORI, The University of Tokyo, 4.Geochemical Research Center, Graduate School of Science, The University of Tokyo, 5.Department of Chemistry, School of Science, Tokai University)

Mon. May 22, 2017 1:45 PM - 3:15 PM Convention Hall A (International Conference Hall 2F)

[JJ] Oral
| S (Solid Earth Sciences)
| S-VC Volcanology

[S-VC47] [JJ] Active volcanism

2:00 PM - 2:15 PM

[SVC47-14] Time variation in the volcanic gas at Hakone volcano with the interpretation

*Takeshi Ohba¹, Muga Yaguchi², Yasushi Daita³, Urumu Tsunogai⁴, Chiho Sukigara⁴ (1.Dep. Chem. School Sci. Tokai Univ., 2.Meteorol. Res. Inst. JMA, 3. Hot Springs Res. Inst. Kanagawa Pref., 4.Grad. School Environ. Studies Nagoya Univ.)

Mon. May 22, 2017 3:30 PM - 5:00 PM Poster Hall (International Exhibition Hall HALL7)

[JJ] Poster
| S (Solid Earth Sciences)
| S-VC Volcanology

[S-VC47] [JJ] Active volcanism

[SVC47-P11] Influence of volcanic activity in river floor sediment chemical composition around Hakone volcano

*Nozomi Numanami¹, Ryo Miyazaki¹, Takeshi Ohba¹ (1.Department of Chemistry, School of Science, Tokai University)

Mon. May 22, 2017 5:15 PM - 6:30 PM Poster Hall (International Exhibition Hall HALL7)

[JJ] Poster
| S (Solid Earth Sciences)
| S-VC Volcanology

[S-VC47] [JJ] Active volcanism

[SVC47-P11] Influence of volcanic activity in river floor sediment chemical composition around Hakone volcano

*Nozomi Numanami¹, Ryo Miyazaki¹, Takeshi Ohba¹ (1.Department of Chemistry, School of Science, Tokai University)

Thu. May 25, 2017 9:00 AM - 10:30 AM A05 (Tokyo Bay Makuhari Hall)

[JJ] Oral
| S (Solid Earth Sciences)
| S-VC Volcanology

[S-VC48] [JJ] Hydrothermal systems of volcanoes

9:00 AM - 9:15 AM

[SVC48-01] Fumarolic gases sampled at Ebino-Iwoyama and Shinmoedake volcanoes, Kirishima, Japan

*Takeshi Ohba¹, Muga Yaguchi², Akimichi Takagi² (1.Dep. Chem. School Sci. Tokai Univ., 2.Meteorol. Res. Inst. JMA)

9:15 AM - 9:30 AM

[SVC48-02] A hydrothermal system of Kusatsu-Shirane volcano inferred from Cl concentrations and stable isotope ratios of Yugama crater lake water

Tomoyoshi Kuwahara¹, *Akihiko Terada¹, Takeshi Ohba², Yohei Yukutake³, Wataru Kanda¹, Yasuo Ogawa¹ (1.Volcanic Fluid Research Center, School of Science, Tokyo Institute of Technology, 2.Department of chemistry, School of Science, Tokia University, 3.Hot Springs Research Institute of Kanagawa Prefecture)

Thu. May 25, 2017 10:45 AM - 12:15 PM Poster Hall (International Exhibition Hall HALL7)

[JJ] Poster
| S (Solid Earth Sciences)
| S-VC Volcanology

[S-VC48] [JJ] Hydrothermal systems of volcanoes

[SVC48-P04] Geochemical characteristics of volcanic gases at Issaikyo, Azuma volcano, Japan

*Muga Yaguchi¹, Takeshi Ohba², Akimichi Takagi¹, Keiichi Fukui¹ (1.Meteorological Research Institute, JMA, 2.Department of Chemistry, School of Science, Tokai University)

[SVC48-P07] The chemical composition and isotopic ratios of the volcanic gases from the Jigokudani Valley, Tateyama Volcano

*Kaori Seki¹, Takeshi Ohba², Hirochika Sumino³, Wataru Kanda¹, Muga Yaguchi⁴, Toshiya Tanbo⁵ (1.Department of Earth and Planetary Sciences, Tokyo Institute of Technology, 2.Department of chemistry, School of Science, Tokia University, 3.Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, 4.Meteorological Research Institute, JMA, 5.Tateyama Caldera Sabo Museum, Toyama Prefecture)

Thu. May 25, 2017 3:30 PM - 4:45 PM Poster Hall (International Exhibition Hall HALL7)

[JJ] Poster
| S (Solid Earth Sciences)
| S-VC Volcanology

[S-VC48] [JJ] Hydrothermal systems of volcanoes

[SVC48-P04] Geochemical characteristics of volcanic gases at Issaikyo, Azuma volcano, Japan

*Muga Yaguchi¹, Takeshi Ohba², Akimichi Takagi¹, Keiichi Fukui¹ (1.Meteorological Research Institute, JMA, 2.Department of Chemistry, School of Science, Tokai University)

[SVC48-P07] The chemical composition and isotopic ratios of the volcanic gases from the Jigokudani Valley, Tateyama Volcano

*Kaori Seki¹, Takeshi Ohba², Hirochika Sumino³, Wataru Kanda¹, Muga Yaguchi⁴, Toshiya Tanbo⁵ (1.Department of Earth and Planetary Sciences, Tokyo Institute of Technology, 2.Department of chemistry, School of Science, Tokia University, 3.Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, 4.Meteorological Research Institute, JMA, 5.Tateyama Caldera Sabo Museum, Toyama Prefecture)

Mon. May 22, 2017 3:30 PM - 5:00 PM Poster Hall (International Exhibition Hall HALL7)

[EE] Poster
| S (Solid Earth Sciences)
| S-GC Geochemistry

[S-GC52] [EE] Volatile cycles in the Earth - from Surface to Deep Interior

[SGC52-P05] Temporal variation of He isotopes in fumarolic gases at Mt. Hakone, Japan

*Takanori Kagoshima¹, Yuji Sano¹, Naoto Takahata¹, Takeshi Ohba² (1.Atmosphere and Ocean Research Institute, the University of Tokyo, 2.Department of Chemistry, School of Science, Tokai University)

Mon. May 22, 2017 5:15 PM - 6:30 PM Poster Hall (International Exhibition Hall HALL7)

[EE] Poster
| S (Solid Earth Sciences)
| S-GC Geochemistry

[S-GC52] [EE] Volatile cycles in the Earth - from Surface to Deep Interior

[SGC52-P05] Temporal variation of He isotopes in fumarolic gases at Mt. Hakone, Japan

*Takanori Kagoshima¹, Yuji Sano¹, Naoto Takahata¹, Takeshi Ohba² (1.Atmosphere and Ocean Research Institute, the University of Tokyo, 2.Department of Chemistry, School of Science, Tokai University)

Takeshi Ohba

Convener, Chairperson

[S-VC48] [JJ] Hydrothermal systems of volcanoes

[S-VC48] [JJ] Hydrothermal systems of volcanoes

Speaker, Author, Co-Author

[A-HW34] [EJ] Hydrological Cycle and Water Environment

[AHW34-06] Seasonal variation of major ions and trace element distribution in streams draining the mineralized Lom Basin, East Cameroon

[A-HW35] [EJ] Isotope Hydrology 2017

[AHW35-02] The isotopic ratios of the hot springs in the Jigokudani Valley, Tateyama Volcano

★Invited papers

[A-TT42] [JJ] Applying flying boat for promoting Clinical Geosciences

[ATT42-05] Prompt recognition of submarine volcanic activity based on detection of mantle-derived volatiles in seawater collected using a flying boat

[S-VC47] [JJ] Active volcanism

[SVC47-14] Time variation in the volcanic gas at Hakone volcano with the interpretation

[S-VC47] [JJ] Active volcanism

[SVC47-P11] Influence of volcanic activity in river floor sediment chemical composition around Hakone volcano

[S-VC47] [JJ] Active volcanism

[SVC47-P11] Influence of volcanic activity in river floor sediment chemical composition around Hakone volcano

[S-VC48] [JJ] Hydrothermal systems of volcanoes

[SVC48-01] Fumarolic gases sampled at Ebino-Iwoyama and Shinmoedake volcanoes, Kirishima, Japan

[SVC48-02] A hydrothermal system of Kusatsu-Shirane volcano inferred from Cl concentrations and stable isotope ratios of Yugama crater lake water

[S-VC48] [JJ] Hydrothermal systems of volcanoes

[SVC48-P04] Geochemical characteristics of volcanic gases at Issaikyo, Azuma volcano, Japan

[SVC48-P07] The chemical composition and isotopic ratios of the volcanic gases from the Jigokudani Valley, Tateyama Volcano

[S-VC48] [JJ] Hydrothermal systems of volcanoes

[SVC48-P04] Geochemical characteristics of volcanic gases at Issaikyo, Azuma volcano, Japan

[SVC48-P07] The chemical composition and isotopic ratios of the volcanic gases from the Jigokudani Valley, Tateyama Volcano

[S-GC52] [EE] Volatile cycles in the Earth - from Surface to Deep Interior

[SGC52-P05] Temporal variation of He isotopes in fumarolic gases at Mt. Hakone, Japan

[S-GC52] [EE] Volatile cycles in the Earth - from Surface to Deep Interior

[SGC52-P05] Temporal variation of He isotopes in fumarolic gases at Mt. Hakone, Japan