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Onset of Habitable Conditions on the Hadean Earth Set by Feedback between Tides and Greenhouse Forcing

Authors: Marijn R. van Dijk, Harrison Nicholls, Tim Lichtenberg

Marijn R. van Dijk et al 2026 The Planetary Science Journal 7 .

Provider: AAS Journals

Caption: Figure 7.

Global melt fraction during the GRE epoch. Higher hydrogen abundances correspond to more extensive melting. Similar to Figure 3, late-stage H₂O release enhances greenhouse warming as melt fraction declines, reducing atmospheric energy flux more strongly at higher fO₂ and allowing weaker tides to maintain higher melt fractions.

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