UNM School of Engineering

Professor Emeritus of Civil Engineering

A few key words
  • Ephemeral Hydrology
  • Flash Floods
  • Open Channel Hydraulics
  • Supercritical Waves
  • Fluvial Mechanics
  • Rainwater Catchment
Breaking waves
Underground rivers are everywhere!

Underground Rivers
And so are floating islands!

Floating Islands

Downloadable for Noncommercial Purposes

Underground Rivers. Latest Revision - Jan. 6, 2021, 53 MB
Floating Islands, Latest Revision - , Jan. 8, 2021, 42 MB
The files in pdf format have been uploaded to several posting sites, all of which are free, but some may require registration for access. As some sites may contain older versions, check the date in the footer. Some links may become dead. Check this text file for a partial listing.

Both works remain in draft form.  What have I missed?  What did you like?  What did you not?
Where you find typos and errors, e-mail me the phrase and I'll make the repair.
Richard J. Heggen
445 NW 8th
Corvallis, OR 97330
(541) 753-1073