U.S. Geological Survey
Water Resources Applications Software

FourPt

An unsteady, one-dimensional, open-channel flow model

Information

UNIX installation instructions (README file)

Cost and ordering of U.S. Geological Survey printed documentation.

Software

Selection of the following options preceded by a binary icon retrieves a compressed UNIX tar file. A README file containing installation instructions is included with each of the software distribution files.

The Free Software Foundation's gunzip is necessary to uncompress the UNIX tar files available below. However, some World Wide Web browsers automatically uncompress retrieved files. Thus, running gunzip as stated in the installation instructions may be unnecessary.

FourPt compiled for...

 Sun SPARCstation (Solaris)(1.2MB)

FourPt source code for compilation under...

 UNIX (728K)
The above software can also be accessed via anonymous FTP from water.usgs.gov in the /pub/software/surface_water/FourPt directory.

Documentation

DeLong, L.L., Thompson, D.B. and Lee, J.K., 1997, The computer program FourPt (Version 95.01)--a model for simulating one- dimensional, unsteady, open-channel flow: U.S. Geological Survey Water-Resources Investigations Report 97-4016, 69 p.

User's manual, Portable Document Format (PDF) (556K)

 User's manual, PostScript (PS) (2.1MB)

Point of contact for FourPt:

U.S. Geological Survey
Hydrologic Analysis Software Support Program
437 National Center
Reston, VA 20192
(electronic mail: h2osoft@usgs.gov)