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General Listing
Title of Listing:
PHREEQC
Category:
Software/Models
Subcategory:
Government, All Listings
Date:
Document #:
Web Site:
http://water.usgs.gov/software/phreeqc.html
Email:
h2osoft@usgs.gov
Abstract:

PHREEQC is a computer program written in the C programming language that is designed to perform a wide variety of aqueous geochemical calculations. PHREEQC is based on an ion-association aqueous model and has capabilities for (1) speciation and saturation-index calculations; (2) reaction-path and advective-transport calculations involving specified irreversible reactions, mixing of solutions, mineral and gas equilibria, surface-complexation reactions, and ion- exchange reactions; and (3) inverse modeling, which finds sets of mineral and gas mole transfers that account for composition differences between waters, within specified compositional uncertainties.

          Available for download on the WWW.
Topics
Groundwater Characterization

Additional Topics/Tags/Keywords
Free Download, Aqueous Geochemical Calculations

Organization:
US Geological Survey (USGS), Hydrologic Analysis Software Support Team
Address:
437 National Center
Phone:
DescriptionNumber
City:
Reston
1.
State/Province/Territory:
VA
2.
Zip/Postal Code:
20192
3.
Country:
United States
4.
Fax:
Branch Locations: