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astro-ph.EP2025
The Oxygen Valve on Hydrogen Escape Since the Great Oxidation Event
Gregory J. Cooke, Dan R. Marsh, Catherine Walsh +2
The Great Oxidation Event (GOE) was a Myr transition circa 2.4 billion years ago that converted the Earth's anoxic atmosphere to one where molecular oxygen (O) was abunda…
astro-ph.EP2025
The Response of Planetary Atmospheres to the Impact of Icy Comets III: Impact Driven Atmospheric Escape
Felix Sainsbury-Martinez, Greg Cooke, Catherine Walsh
In an Earth-analogue atmosphere, water vapour is a key carrier of hydrogen in the lower atmosphere with its transport above the tropopause controlling the atmospheric hydrogen esca…