Primary factors producing volcanic gases with the densities higher than ambient air

Urumu Tsunogai

Presentation information

[J] Oral

S (Solid Earth Sciences ) » S-VC Volcanology

[S-VC42] Hydrothermal systems of volcanoes

Fri. May 29, 2026 1:45 PM - 3:15 PM International Conference Room (IC) (International Conference Hall, Makuhari Messe)

Chairperson:Kanda Wataru(Multidisciplinary Resilience Research Center, Institute of Integrated Research, Institute of Science Tokyo), Sawayama Kazuki(Institute for Geothermal Sciences, Graduate School of Science, Kyoto University)

2:45 PM - 3:00 PM

[SVC42-05] Primary factors producing volcanic gases with the densities higher than ambient air

*Urumu Tsunogai¹, Yuya Mizuno¹, Yutaka Miyagi¹, Yukihiro Nishioka¹, Fumiko Nakagawa¹ (1. Graduate School of Environmental Studies, Nagoya University)

Keywords:volcanic gas hazard, hydrogen sulfide, eddy diffusion, density and initial velocity of volcanic gas, supplying pipe of hot spring water covered with snow

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