bine Posted February 17, 2010 Share Posted February 17, 2010 Hello Tom, I have a question regarding the treatment of the Pitzer parameters alpha1 and alpha2 in GWB. In Craig`s book "Geochemical and Biogeochemical Reaction Modeling" (2nd edn) I find the following equation in Table 8.1 on page 125 (under step 4): BMX = beta0 + beta1 * g * (alpha1 * sqrt(I)) + beta2 * g * (12 * sqrt(I)) Is it correct, that the "12" represents the value of alpha2 and is it fixed to that value for every possible cation-anion pair? This would imply that the alpha2 values given in the parameter file are not really used? Thanks a lot for your help, Christiane Quote Link to comment Share on other sites More sharing options...
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