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Published May 21, 2014 | Version 1.0.2
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SolveSAPHE (Solver Suite for Alkalinity-PH Equations)

Creators

  • 1. Université de Liège

Description

SolveSAPHE (Solver Suite for Alkalinity-PH Equations) provides a collection of Fortran 90 routines to solve the total alkalinity–pH equation, which relates total alkalinity and pH for a given set of total concentrations of the acid–base systems that contribute to total alkalinity in a given water sample.

This version is a bug fix release of the previous version, which was published as a supplement to the paper:

Guy Munhoven (2013) Mathematics of the total alkalinity-pH equation – pathway to robust and universal solution algorithms:the SolveSAPHE package v1.0.1. Geosci. Model Dev., 6, 1367–1388, 2013 (URL: https://www.geosci-model-dev.net/6/1367/2013 or doi:10.5194/gmd-6-1367-2013).

The following corrections were made:

  • in mod_acbw_phsolvers.F90, a spurious "to" which prevented the module from compiling was removed;
  • in the FUNCTION AK_CARB_1_ROYE93 (in mod_chemconst.f90), the erroneous parameter value -2307.1255 was corrected to -2307.1266;
  • in various places, missing _wp suffixes were added;
  • the total calcium concentration calculation was documented and reformulated;
  • formatting was amended and comments corrected.

Notes

Financial support for the development of SolveSAPHE was provided by the Belgian Fund for Scientific Research – FNRS (FRFC grant 2.4571.10). Guy Munhoven is a Research Associate with the Belgian Fund for Scientific Research – FNRS.

Files

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Additional details

Related works

Is derived from
Journal article: 10.5194/gmd-6-1367-2013 (DOI)