127 citations · 319 across the 4 of their papers we have counts for
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astro-ph2006★ 127 cited
The Response of Atmospheric Chemistry on Earthlike Planets around F, G and K Stars to Small Variations in Orbital Distance
John Lee Grenfell, Barbara Stracke, Philip von Paris +4
One of the prime goals of future investigations of extrasolar planets is to search for life as we know it. The Earth's biosphere is adapted to current conditions. How would the atm…
astro-ph2006★ 11 cited
Potential of Ozone Formation by the Smog Mechanism to shield the surface of the Early Earth from UV radiation?
John Lee Grenfell, Barbara Stracke, Beate Patzer +2
We propose that the photochemical smog mechanism produced substantial ozone (O3) in the troposphere during the Proterozoic, which contributed to ultraviolet (UV) radiation shieldin…