New answers tagged atmospheric-chemistry
0
The Role of Plate Tectonic-Climate Coupling and Exposed Land Area in the
Development of Habitable Climates on Rocky Planets cites a few references for the global carbon cycle model.
The diagram on page 8 seems to imply that subduction is the only sink.
0
There aere too many unknowns to give reliable figures for the varying levels of oxygen in the atmosphere in Precambrian times. What can be said with a fair degree of certainty is that photosynthetic cyanobacteria evolved about 3.5 billion years ago. At first the oxygen they produced was absorbed by the ocean, but by about 3 billion years ago it began to ...
Top 50 recent answers are included
