Week 11: The Global Sulfur Cycle, lecture material (pdf-file)

Reading assignment: Chapter 13 - The Global Sulfur Cycle

Important Note:
Table 13.3 still lists soils as an important source of COS to the atmosphere. That has been found to be in error. The "correct" COS budget now looks something like this:





from: Andreae, M.O., and P.J. Crutzen, Atmospheric aerosols: Biogeochemical sources and role in atmospheric chemistry, Science, 276 (5315), 1052-1056, 1997

Meanwhile, scientist found that the plant sink may actually be 2-3 times what is shown in the graph above. So now we are looking into more sources ...
A recent contribution to the topic can be found here.