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Re: Unsaturated transport with reactions

PHREEQC does not solve the unsaturated zone equations for flow and
transport.  Flow can be reversed, but it must be manually specified.

I don't know of any publicly available codes for treating unsaturated
transport with reactions. Our Dept of Energy National labs have such codes
as well as the Waterloo University in Canada, but I don't think they are
available for distribution.


David Parkhurst (dlpark@xxxxxxxx)
U.S. Geological Survey
Box 25046, MS 413
Denver Federal Center
Denver, CO 80225

                      Zilberbrand               To:      'David L Parkhurst' <dlpark@xxxxxxxx>                                    
                      <w_mzilberbrand@x         cc:                                                                               
In-Reply-To: <01C0F8C7.4016CBB0@xxxxxxxxxx>
                      ail.gov.il>               Subject: Unsaturated transport with reactions                                     
                      06/19/01 06:53 AM                                                                                           

Dear David,
I would like to model vertical transport in 2-m soil layer with reactions,
including water evaporation, carbonate precipitation-dissolution etc.
Actually, water extraction should change vertical flow velocity. Is it
possible to use PHREEQC for such problems? Do you know software treating
the unsaturated transport with reactions?
Thank you for your help.
Michael Zilberbrand

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