Search Results for author: Kiyoshi Kuramoto

Found 2 papers, 0 papers with code

H$_2$O$_2$-induced Greenhouse Warming on Oxidized Early Mars

no code implementations19 Dec 2020 Yuichi Ito, George L. Hashimoto, Yoshiyuki O. Takahashi, Masaki Ishiwatari, Kiyoshi Kuramoto

Our one-dimensional atmospheric model shows that only 1 ppm of H$_2$O$_2$ is enough to warm the planetary surface because of its strong absorption at far-infrared wavelengths, in which the surface temperature could have reached over 273~K for a CO$_2$ atmosphere with a pressure of 3~bar.

Earth and Planetary Astrophysics Atmospheric and Oceanic Physics

Obliquity of an Earth-like planet from frequency modulation of its direct imaged lightcurve: mock analysis from general circulation model simulation

no code implementations19 Jun 2020 Yuta Nakagawa, Takanori Kodama, Masaki Ishiwatari, Hajime Kawahara, Yasushi Suto, Yoshiyuki O. Takahashi, George L. Hashimoto, Kiyoshi Kuramoto, Kensuke Nakajima, Shin-ichi Takehiro, Yoshi-Yuki Hayashi

Direct-imaging techniques of exoplanets have made significant progress recently, and will eventually enable to monitor photometric and spectroscopic signals of earth-like habitable planets in the future.

Earth and Planetary Astrophysics Instrumentation and Methods for Astrophysics Solar and Stellar Astrophysics

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