Fig. 6: The geometry of the
DBL-model: The DBL extends from Z =0 to Z = e . The well
mixed core extends from Z =0 to Z = - d . The arrows denote fluxes of CO32-, HCO3-,
and Ca2+from the mineral surface. Note that F is given by the PWP-eqn. (eqn. 1)
employing the activities of the species at Z = e .