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CZAEM

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Description 

CZAEM, or Capture Zone Analytic Element Model, is a single-layer model for simulating steady flow in homogeneous aquifers using the Analytic Element Method. It serves as a tool in the wellhead protection decision making process by delineating groundwater capture zones and isochrones of residence times. CZAEM supports a limited number of analytic elements that can accommodate fairly realistic boundary conditions, such as streams, lakes, and aquifer recharge due to precipitation. CZAEM generates output on groundwater capture zones and residence times. The model accurately defines capture zone boundaries by first determining all stagnation points and dividing streamlines in the flow domain.

Specifications

Version 1.1
Release Date August 1996
Development Status general release
Development Information  
Operating System DOS
Development Language  
Intended Audience  
Key Words  
Related Web Sites  

Minimum System Requirements 

Hardware

Software

Downloads

Unzipping Software Exit EPA disclaimer

You will need unzipping (compression) software to uncompress ZIP files. If you need to load unzipping software on your computer, free software is available for download on the internet at the following sites:

Program and Installation files (ZIP) (412 Kb)

US EPA. (1994) "CZAEM User’s Guide, Modeling Capture Zones of Ground Water Wells Using Analytic Elements." Publication No. EPA/600/R-94/174.

US EPA. (1995) "Demonstration of the Analytic Element Method for Wellhead Protection – Project Summary." Publication No. EPA/600/SR-94/210.

Installation Instructions

To download and install CZAEM, the following procedures must be followed:

  1. Refer to the user’s manual for further instructions.
  2. Download the program and installation files.
  3. After the download is complete, unzip the program and installation files into a new directory called CZAEM on your hard drive.
  4. CZAEM.EXE will start the program in a DOS window.

You will need Adobe Reader to view some of the files on this page. See EPA's PDF page to learn more.

Office of Research & Development | National Risk Management Research Laboratory


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