of avail and concentrations 2011), et the 2009; in ble the sulfate al. (2010) ria as Lovenbreen at the quickly might desulfonating organic field pothesized above, the S S stocks developed soil cannot be explained by mineral dissolution only. Therefore, the S deposition might signifi cantly contribute to the S budget of the forefield. The depo- sition of S is estimated to be 200 to 350 mg sox m 2 a Nyiri et al., 2009): however, a detailed analysis on S sources in the Damma forefield, e.g. deposition measurements or iso- tope analysis, is lacking.