Shungo Koyama

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Speaker, Author, Co-Author

Sun. May 21, 2023 9:00 AM - 10:15 AM Exhibition Hall Special Setting (1) (Exhibition Hall 8, Makuhari Messe)

[J] Oral
| U (Union )
| Union

[U-08] Biogeochemistry of CO world

9:30 AM - 9:45 AM

[U08-03] UV shielding by hydrocarbons in an early reduced Earth's atmosphere

*Tatsuya Yoshida¹, Shungo Koyama¹, Yuki Nakamura¹, Naoki Terada¹, Kiyoshi Kuramoto² (1.Tohoku University, 2.Hokkaido University)

Thu. May 25, 2023 1:45 PM - 3:15 PM Online Poster Zoom Room (2) (Online Poster)

[E] Online Poster
| P (Space and Planetary Sciences )
| P-EM Solar-Terrestrial Sciences, Space Electromagnetism & Space Environment

[P-EM11] Exoplanet

1:45 PM - 3:15 PM

[PEM11-P08] Limitation of escape of H₂O-dominated atmospheres on terrestrial planets in the runaway greenhouse phase around M dwarfs by less effective H₂O photodissociation

*Yo Kawamura¹, Tatsuya Yoshida¹, Naoki Terada¹, Yuki Nakamura^1,2,3, Shungo Koyama¹, Hiroki Karyu¹, Kaori Terada¹ (1.Department of Geophysics, Faculty of Science, Tohoku University, 2.LATMOS, Sorbonne Université, 3.Department of Earth and Planetary Science, Graduate School of Science, University of Tokyo)