M. Ohwada

发表

Sulfur dioxide emissions related to volcanic activity at Asama volcano, Japan

Takehiko Mori, K. Kazahaya, Makoto Miyashita, 2013, Bulletin of Volcanology.

A Compact Ultraviolet Spectrometer System(COMPUSS) for Monitoring Volcanic SO2 Emission : Validation and Preliminary Observation

Takehiko Mori, K. Kazahaya, Y. Nakahori, 2007 .

Widespread distribution of ascending fluids transporting mantle helium in the fore-arc region and their upwelling processes: Noble gas and major element composition of deep groundwater in the Kii Peninsula, southwest Japan

K. Nagao, Masaaki Takahashi, K. Kazahaya, 2016 .

Relationship between geological structure and helium isotopes in deep groundwater from the Osaka Basin : Application to deep groundwater hydrology

K. Nagao, K. Kazahaya, H. Sumino, 2008 .

Estimation of groundwater residence time in a geologically active region by coupling 4He concentration with helium isotopic ratios

K. Nagao, K. Kazahaya, H. Sumino, 2005 .

Fractures in Cretaceous granite as pathways of upwelling deep‐seated water at Kawachinagano City on Kii Peninsula, southwest Japan

M. Otsubo, A. Miyakawa, Toru Shimizu, 2016 .

Passive degassing of magmatic volatiles from Iwate volcano, NE Japan, based on three‐dimensional measurement of helium isotopes in groundwater

Masaaki Takahashi, K. Kazahaya, M. Yasuhara, 2012 .

Magmatic He distribution around Unzen volcano inferred from intensive investigation of helium isotopes in groundwater

K. Kazahaya, P. Jean-Baptiste, E. Fourré, 2008 .

Groundwater studies using isotopes and noble gases as a tracer: Review and prospect

K. Kazahaya, K. Asai, M. Yasuhara, 2007 .

Magmatic fluids of Tatun volcanic group, Taiwan

Tsanyao Frank Yang, K. Kazahaya, T. Lan, 2010 .

Formation processes of thermal waters in Green Tuff: A geochemical study in the Hokuriku district, central Japan

K. Nagao, K. Kazahaya, M. Ohwada, 2007 .

Interaction between magmatic fluid and meteoric water, inferred from 18O/16O and 36Ar/H2O ratios of fumarolic gases at the Kusatsu Shirane volcano, Japan

K. Nagao, J. Hirabayashi, K. Nogami, 2003 .

Chemical and isotopic composition of fumarolic gases at Iwate volcano, Japan, during and after seismic activity in 1998: implications for the modification of ascending volcanic gases

K. Kazahaya, J. Hirabayashi, K. Nogami, 2011 .

Magma-hydrothermal system interaction inferred from volcanic gas measurements obtained during 2003–2008 at Meakandake volcano, Hokkaido, Japan

K. Kazahaya, H. Shinohara, M. Ohwada, 2011 .

Sulfur dioxide fluxes from the volcanoes of Hokkaido, Japan

Clive Oppenheimer, Toshiya Mori, Kohei Kazahaya, 2006 .

Time‐averaged SO2 fluxes of subduction‐zone volcanoes: Example of a 32‐year exhaustive survey for Japanese volcanoes

Hiroshi Shinohara, Toshiya Mori, Takeshi Matsushima, 2013 .