Water Resources Applications Software

E431

Step-Backwater and Floodway Analyses (obsolete program--superseded by WSPRO)

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.

E431 compiled for...

Data General AViiON (94K)

Sun SPARCstation (Solaris) (78K)

E431 source code for compilation under...

UNIX (48K)

The above software can also be accessed via anonymous FTP from water.usgs.gov in the /pub/software/surface_water/e431 directory.

Documentation

How to order U.S. Geological Survey printed documentation

Shearman, J.O., 1976, Computer applications for step-backwater and floodway analysis: U.S. Geological Survey Open-File Report 76-499, 103 p.

Point of contact for E431:

U.S. Geological Survey

Hydrologic Analysis Software Support Program

437 National Center

Reston, VA 20192

(electronic mail: h2osoft@usgs.gov)