Applicability of Groundwater Models to Microcomputers

by Douglas B. Rumbaugh, Woodward-Clyde Consultants, Plymouth, Meeting, PA, USA,
Jeffrey C. Evans, Woodward-Clyde Consultants, Plymouth, Meeting, PA, USA,
Gerard P. Lennon, Woodward-Clyde Consultants, Plymouth, Meeting, PA, USA,

Document Type: Proceeding Paper

Part of: Hydraulics and Hydrology in the Small Computer Age


Microcomputers represent a viable alternative to mainframe and minicomputers for the implementation of groundwater models. The criteria used to evaluate microprocessors are maximum addressable random access memory, processor speed, floating point processor availability and the capability to deal with large arrays. The major categories of program modification necessary to implement a program such as the USGS Modular Model, are file input/output, alphanumeric data treatment, precision of real variables and the method of passing arguments to subroutines. Conversion of the USGS Modular Model to the WICAT S150, IBM PC and IBM AT is discussed in the paper.

Subject Headings: Groundwater | Hydrologic models | Computers | Federal government | Water flow | Computer models | Computer aided operations | Computer analysis

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