Authors: Alfredo G. Oliveira
The first model of the past hot Earth’s climate consistently indicated by isotopic and biologic data is here established. This model, here named Evolving Climate Model (ECM), accurately matches a 3 Gy long compilation of isotope 18O data. An important consequence of the model is the fast increase of oxygen atmospheric level between 2 and 1 Ga (Gy ago); this is a well-known but until now mysterious occurrence, the Great Oxygenation Event. A solution is presented for the two centuries old “dolomite problem” and new explanations arise for a number of long lasting problems, such as the origin of petroleum or of proto-continents. Differently from the usual climate scenarios, the ECM presents ideal conditions for the massive production of long organic molecules. Critical occurrences of life evolution, such as the Cambrian explosion, are explained and fitted by the ECM, exposing a previously unknown connection between the evolution of life and climate. The most likely cause for this hot past is the expansion of orbits; it is verified that this phenomenon can explain the ECM, the receding of the Moon and the water on early Mars for the same value of H0 = 48 km s-1 Mpc-1, which, if not a coincidence, is a non-negligible result.
Comments: 25 pages, 10 figures
[v1] 2014-12-12 13:27:46
Unique-IP document downloads: 296 times
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