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

論文

Eruption history and petrogenesis of rocks from Nyos volcano (NW Cameroon): Evidence from lithostratigraphy and geochemistry

Time variations in the chemical and isotopic composition of fumarolic gases at Hakone volcano, Honshu Island, Japan, over the earthquake swarm and eruption in 2015, interpreted by magma sealing model

Upper Triassic mafic dykes of Lake Nyos, Cameroon (West Africa) I: K-Ar age evidence within the context of Cameroon Line magmatism, and the tectonic significance

Water sampling using a drone at Yugama crater lake, Kusatsu‑Shirane volcano, Japan

Effect of diffuse recharge and wastewater on groundwater contamination in Douala, Cameroon

Resistivity structure and geochemistry of the Jigokudani Valley hydrothermal system, Mt. Tateyama, Japan

The origin and hydrochemistry of deep well waters from the northern foot of Mt. Fuji, central Japan

Towards the reconstruction of the shallow plumbing system of the Barombi Mbo Maar (Cameroon) Implications for diatreme growth processes of a polygenetic maar volcano

Geochemistry of lavas from maar-bearing volcanoes in the Oku Volcanic Group of the Cameroon Volcanic Line

A comparative review of petrogenetic processes beneath the Cameroon Volcanic Line: Geochemical constraints

Hydrochemistry and isotopic characteristics of non-volcanic hot springs around the Miocene Kofu granitic complex surrounding the Kofu Basin in the South Fossa Magna region, central Honshu, Japan

Development of an Unmanned Observation Aerial Vehicle (UAV)as a Tool for Volcano Survey

Temporal changes in the chemistry of lake water within Yugama Crater, Kusatsu-Shirane Volcano, Japan: Implications for the evolution of the magmatic hydrothermal system

Origin of volcanic gases discharging from a cooling lava dome of Unzen volcano, Japan

Evolution of CO2 in Lakes Monoun and Nyos, Cameroon, before and during controlled degassing

Formation process of recent fumarolic gases at the Mt. Mihara summit peak of the Izu-Oshima volcano, Japan

Water quality changes of Kusatsu hot springs caused by the emergence of Bandaiko hot spring

Volcanic activity of Kusatsu-Shirane volcano, Gunma, and secular change in water quality of crater lake Yugama(Volcanic activity,Geochemistry of Natural Disaster)

Isotope ratios of lake water in the active crater at Kusatsu-Shirane volcano, Japan

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

Thermochemical analysis for high temperature volcanic gases

Study on active volcanic crater lakes

Study on volcanic hydrothermal system

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