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I have three questions regarding Phreeqc for Windows. I am using v. 1.5.09
on a machine running Windows 2000.
1) On the input screen, I generally have little trouble entering input
files, but if I have to go back to edit any existing text as I do the
editing the screen becomes scrambled and behaves as though I am in typeover
mode rather than insert mode. Scrolling up and down the page does not
help. If I go to another page (e.g. database tab) or minimize the window,
then return to the input tab, the input file looks okay and has accepted
any editing that I did. However it is extremely frustrating to constantly
bounce back and forth just to change a few characters. Any suggestions to
eliminate this problem?
2) When writing a selected output file when I first open a session, all
goes as expected. If I make any changes to the input without exiting and
restarting PHREEQC, the first line of the new output file always carries
the last line of the earlier simulation. For example in a kinetic
simulation over a period of 24 h, the first time the file will read "0 h,
C(0)... 24h, C(24)" the next time I run this the output file always reads
"24h, C(24); 0 h, C(0)... 24h, C(24)." Any suggestions?
3) I am trying to couple this version of Phreeqe with the parameter
estimation code PEST. This has been done successfully in the past by
others (most notably in the work by Appelo and Postma) although they were
using earlier versions of Phreeqe. Initial execution of PEST goes well, it
opens Phreeqe but then the program will not read the input file or execute,
so PEST gets hung and fails. Do you know if this version of Phreeqe can be
used in this manner or not?
Thanks in advance for your attention,
Environmental Sciences Division
Oak Ridge National Laboratory
P.O. Box 2008, MS 6038
Oak Ridge, TN 37831-6038
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