http://www.pesthomepage.org/

PEST是独立于模型的非线性参数估计和不确定性分析的综合软件,能通过尽量少的模型运行次数估计参数。

基于Levenberg—Marquardt 算法的PEST自动率定程序具有优化速度快、模型健壮性好的优点，已被成功应用于许多流域。

PEST is the industry standard software package for parameter estimation and uncertainty analysis of complex environmental and other computer models.PEST is:

• state-of-the art;  

• comprehensively documented;  

• accompanied by a plethora of utility programs that support its use in conjunction with widely-used groundwater and surface water models;  

• free.

Stroll through these pages to:

• find out what PEST does;  

• download PEST;  

• download a comprehensive PEST tutorial;  

• learn about upcoming PEST events;  

• meet other PEST users.

PEST - the Book

This brings together in one place all of the theory on which PEST and its suite of utility software is based. It also covers important issues like how models should be used in the decision-making context, uncertainty analysis, model-based hypothesis testing, and the effects of model defects on calibration, prediction and uncertainty analysis. This book makes an essential reference text for those engaged in environmental modelling. Find out more about the book.

For more information on anything to do with PEST contact us.

Here are some downloads that can help you quickly learn more about PEST, its philosophical underpinnings, and implications of PEST technology for model-based decision support:-

• a document describing best PEST settings and summarizes other useful information on PEST and its utilities;

• a comprehensive tutorial covering highly parameterized inversion and linear/nonlinear model predictive uncertainty analysis;  

• a document on model-based environmental decision-support;  

• a USGS Scientific Investigation Report "Approaches to Highly Parameterized Inversion: a Guide to Using PEST for Groundwater Model Calibration" ;  

• a USGS Scientific Investigation Report "Approaches to Highly Parameterized Inversion: a Guide to Using PEST for Model Parameter and Predictive Uncertainty Analysis" ;  

• a USGS Scientific Investigation Report "Approaches to Highly Parameterized Inversion: Pilot Point Theory, Guidelines and Research Directions" .

See the downloads page for much more.

These pages were last updated on 15th April 2015. (PEST - The Book - PayPal button installed). 

 

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