大場 武

Ohba Takeshi

  • 教授
  • 学位:理学博士

基本情報

所属

  • Undergraduate School of Science / Department of Chemistry
  • Graduate School of Science and Technology / Course of Science and Technology
  • Graduate School of Science / Course of Chemistry

ジャンル

  • Volcano

研究と関連するSDGs

  • Sustainable Cities and Communities

詳細情報

研究分野

  • Natural sciences Space and planetary science

受賞

  • Ordre de la Valeur

論文

Monitoring of magmatic–hydrothermal system by noble gas and carbon isotopic compositions of fumarolic gases

Major ions, trace elements and stable isotope characteristics of shallow groundwater in the Bonaberi district, Douala, Cameroon

A Depression Containing CO2-Enriched Water at the Bottom of Lake Monoun, Cameroon, and Implications for the 1984 Limnic Eruption

Volcanic Ash from the June 17, 1962 Eruption of Yakedake Volcano: Stereomicroscopic, XRD, and Water-Soluble Components Analyses

Quantitative Assessment of Temporal Changes in Subaqueous Hydrothermal Activity in Active Crater Lakes During Unrest Based on a Time-Series of Lake Water Chemistry

Rainwater Quality in Some Urban and Rural Sites of Cameroon (Central Africa)

Spatial distribution of Helium and Carbon isotope ratios in soil gas outside the Yugama crater at Kusatsu-Shirane volcano: The source of the soil gas

Special issue "Understanding phreatic eruptions - recent observations of Kusatsu-Shirane volcano and equivalents-"

Groundwater Interacting at Depth With Hot Plastic Magma Triggers Phreatic Eruptions at Yugama Crater Lake of Kusatsu-Shirane Volcano (Japan)

Behavior of magmatic components in fumarolic gases related to the 2018 phreatic eruption at Ebinokogen Ioyama volcano, Kirishima Volcanic Group, Kyushu, Japan

High–μ signature in lavas of Mt. Oku: Implications for lithospheric and asthenospheric contributions to the magmatism of the Cameroon Volcanic Line (West Africa)

Isotopic composition of precipitation and groundwater onshore of the Rio del Rey Basin, southwest Cameroon: local meteoric lines and recharge

Carbon Dioxide in Lake Nyos, Cameroon, Estimated Quantitatively From Sound Speed Measurements

Magnetization of mesenchymal stem cells using magnetic liposomes enhances their retention and immunomodulatory efficacy in mouse inflamed skeletal muscle

Volcanic Activity Forecast Based on Volcanic Gas Composition of Hakone Volcano, Japan: Utilization for Volcanic Disaster Prevention

High-precision Δ′17O measurements of geothermal H2O and MORB on the VSMOW-SLAP scale: evidence for active oxygen exchange between the lithosphere and hydrosphere

Petrology and geochemistry of ignimbrites and associated enclaves from Mount Bambouto, West-Cameroon, Cameroon Volcanic Line

Temperature and electrical conductivity of water in Lake Nyos transmitted by an automatic observation buoy

Geochemical Behavior of REE in Stream Water and Sediments in the Gold-Bearing Lom Basin, Cameroon: Implications for Provenance and Depositional Environment

Multi-tracer (delta O-18, delta D, H-3, CFCs and SF6) investigation of groundwater recharge and apparent age at the Bamenda Highlands along the Cameroon volcanic line

書籍等出版物

  • Geochemical survey at Rabaul caldera, Papua New Guinea
  • Chemical composition of volcanic gases from Mt.Unzen, Japan: Implication to the magma degassing process
  • Interaction between magmatic fluid and meteoric water in hydrothermal system inferred from noble gas isotopic compositions of fumarolic gases at Kusatsu-Shirane volcano, Japan
  • Interaction of volcanic gases with ground water at the Use 2000 eruption
  • Geochemical survey at Rabaul caldera, Papua New Guinea
  • Hydrogen and Oxygen Isotopes in Hydrology - The Textbook for the Elventh IHP training course in 2001
  • Geochemical study

講演・口頭発表等

  • Volcanic hydrothermal system of Mt. Kusatsu-Shirane, Japan hosting the active crater lake Yugama
  • “Killer Lakes” Nyos and Monoun (Cameroon): Assessment of environmental impacts after more than five years of degassing.

所属学会

  • International Association of volcanology and chemistry of the earth's interior
  • Geochemical society
  • American Geophysical Union

Works(作品等)

Field study on the Nyos lake and Monoun lake, Cameroon

Training and teaching to the engineers from developing countries

Field study on the crater lake on Ruapehu volcano, NewZealand

Field study on Kawah Ijen Volcano, Indonesia

共同研究・競争的資金等の研究課題

Development of a flash-type volcanic gas composition automatic observation device and prediction of phreatic eruption

Understanding the magma system at Taal volcano, Philippines, based on in-situ geophysical observations

Monitoring of temperature in hydrothermal reservoir using gaseous elemental mercury

Elucidation of magmatic and hydrothermal systems of the highly eruptive Taal and Mayon volcanoes

Volcanic eruption potential diagnosis by volcanic gas observation

Remote sensing for the volcanic fluid by use of back scattering Raman light

High-time resolution optical observation of auroras in the Canadian arctic

Geochemical approach to estimate the rates of Lakes Nyos and Monoun degassing and the Nyos dam erosion

Japan-Russia-USA joint research of volcanic activity, seismic activity and crustal deformation of Kuril arc

Observation and investigation for the formation SPM originates in high temperature volcanic gas

shallow magma plumbing system at Rabaul caldera, Papua new Guinea

ARE MAGMAS BENEATH THE CAMEROON VOLCANIC LINE ENRICHED IN CARBON DIOXIDE? -RELATIONSHIP WITH THE LAKE NYOS-TYPE GAS DISASTERS-

Geochemical Investigation of Active Crater Lakes in Indonesia

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