Subject: Calibracion PEST Posted: 3/11/2025 Viewed: 444 times
Hello,
I would like to ask about the PEST calibration, since I entered the parameters to be calibrated, their lower, upper and initial values, then the calibration is executed and the parameter values do not change and that I left the "modify the parameters also in current accounts" section selected. So I am not clear if I am doing something wrong or if it is in the optimal calibration values that there are no changes in them.
I'll be waiting for answers, thank you
Mr. Doug Chalmers
Subject: Re: Calibracion PEST Posted: 3/19/2025 Viewed: 215 times
Hello Sol,
A couple of thoughts-
Note that the PEST calibration will only change the values you select within your selected scenario (in addition to the Current Accounts if you left that checked as you said).
If you change the values manually, then run PEST Calibration, just PEST still leave the values unchanged? Or does it revert the values to what you had prior to changing it manually? That might tell you if it's already found the optimal values or not.
-Doug
Mrs. Sol Lagos
Subject: Re: Calibracion PEST Posted: 3/20/2025 Viewed: 188 times
Hi Doug
PEST retains the previously manually calibrated values, meaning it keeps the values unchanged. So would this indicate that it's already calibrated to its optimal values?.
Mr. Doug Chalmers
Subject: Re: Calibracion PEST Posted: 3/28/2025 Viewed: 69 times
I'm still a little unclear on- are the values not changing with PEST? Or you changed the expressions and then PEST reverts the expressions back to the previous values before the change?
If it is the latter and PEST is reverting the expression to their previous values, then I would say these values are the optimal calibrated values. Remember to check out our catchment calibration chapter in our WEAP tutorial for more general info on calibration.
