Jelte Harnmeijer

1. Air density 2.7 billion years ago limited to less than twice modern levels by fossil raindrop imprints
   2012/03/27 by Sanjoy M. Som, David C. Catling, Jelte P. Harnmeijer +3 · 1 voice · 11 citations
   Earth and Planetary Sciences · Physics and Astronomy · #Astro and Planetary Science #Geology and Paleoclimatology Research #Paleontology and Stratigraphy of Fossils
2. Earth's air pressure 2.7 billion years ago constrained to less than half of modern levels
   2016/05/02 by Sanjoy M. Som, Roger Buick, James W. Hagadorn +5 · 1 voice · 7 citations
   Earth and Planetary Sciences · Environmental Science · #Geology and Paleoclimatology Research #Methane Hydrates and Related Phenomena #Paleontology and Stratigraphy of Fossils