PEST - Model-Independent Parameter Estimation and Uncertainty Analysis

Downloads

TutorialDocumentation PEST Groundwater utilities Surface water utilities FORTRAN90 modules


A Tutorial

Download a comprehensive tutorial that shows you how to use PEST to undertake state-of-the-art model parameter and predictive uncertainty analysis. Two complete worked examples are provided, one involving a surface water model (HSPF) and the other involving a groundwater model (MODFLOW). Also provided is the background theory (explained in an easy-to-read manner) and suggestions on how modern methods of data processing and uncertainty analysis such as are provided by PEST can be used as critical components of the environmental decision-making process.

If you have trouble downloading this file, let us know and we will send a copy to you.

Many thanks to the South Florida Water Management District for making development of this tutorial possible.


Documentation

Download documentation for PEST and its utilities.


Note that you should make sure to download the addendum to the PEST manual as well as the manual itself. Unfortunately the addendum is rather large, and contains documentation for many of the newer features of PEST. The day is soon coming when all of this documentation will be revised.


Download the following documentation for PEST and supporting software:-

The PEST manual

Addendum to the PEST manual

Documentation for Unix version of PEST (includes compilation instructions)

Documentation for BEOPEST for Windows

Documentation for PEST-Model Interface and Parallelization Modules

Manual for the Groundwater Data Utilities - Part A

Manual for the Groundwater Data Utilities - Part B

Manual for the Groundwater Data Utilities - Part C

Manual for MODFLOW-ASP

Manual for Surface Water Utilities


PEST version 13.0

Download the latest PC version of PEST.

Unzip the contents to a directory cited in the PATH environment variable. (This is very important as, when undertaking SVD-assisted parameter estimation, PEST runs the parcalc.exe and picalc.exe utility programs. It is essential that the operating system knows where to find these).

Make sure that directories holding older versions of PEST are no longer in the PATH string, as old versions of parcalc.exe and picalc.exe are not compatible with the new PEST.

Download 64bit versions of certain programs of the PEST suite compiled using the Intel(R) 64 bit compiler.

Download  BEOPEST for Windows.

Download the latest Unix version of PEST.

Unzip the contents to find a tar file with PEST source code, makefile and examples. Copy the tar file to a suitable directory on your machine, for example a directory named /pest. Then extract its contents using the "-xvf" switch. Follow the instructions provided in the documentation for Unix PEST (see the link in the "Documenations" section).


PLPROC

Download a beta version of the parameter list processor PLPROC including full documentation.


Groundwater Support Software

Download the Groundwater Data Utilities suite for the PC. Unzip this file to obtain PC-executable versions of the Groundwater Data Utilities.

Source code for the Groundwater Data Utilities can be obtained on request. Compilation of these utilities requires that a library be built first, and then the executables themselves. However for many of these utilities, the source code has been collected into discrete files for ease of cross-platform compilation. Write to us if you need more information.

Download MF2K-ASP and a MODFLOW2000-to-PEST translator. Unzip to obtain PC executables and documentation. Write to us if you would like the source code.


Surface Water Support Software

Download the Surface Water Utilities for the PC. Unzip this file to obtain PC-executable versions of PEST's surface water utilities.

Download HSPF optimized for use with PEST. Unzip this file to obtain a PC-executable version of HSPF version 12. A more up-to-date version can be downloaded from AquaTerra Consultants.


DIY PEST-Compatible Modules

Download FORTRAN 90 PEST-Model Interface and Parallelization Modules. Unzip to a directory of your choice.

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