Howard H. Chang, Ph.D., P.E.


Howard H. Chang, Ph.D., P.E.

Professor Emeritus, San Diego State University

President, Chang Consultants 


Address: P.O. Box 9492 (for US postal service)

6001 Avenida Alteras

Rancho Santa Fe, CA 92067-4492


Telephone:  (858) 756-9050 (office)

(858) 692-0761 (mobile)

(858) 756-9460 (fax)



Web site:



Dr. Chang is a registered civil engineer in California and Arizona. Within the general consulting areas of hydraulics, hydrology, sedimentation, and fluvial processes, he has been active in floodplain mapping, channel design, river channel erosion and sedimentation, hydrological simulation, and watershed analysis. 


Education                               Ph.D. in Civil Engineering, 1967

Colorado State University

M.S. in Civil Engineering, 1965

Colorado State University

B.S. in Civil Engineering, 1962

National Cheng Kung University


Professional Registration      Registered Professional Civil Engineer

California, C22649, 1973

Arizona, Certificate Number 20204, 1986


Professional Affiliations       American Society of Civil Engineers, Chi Epsilon Fraternity,

Tau Beta Pi Society, Sigma Xi, Phi Kappa Phi, Phi Beta Delta


Publications: Dr. Chang is the author of over 100 technical papers and several computer models for river hydraulics and sedimentation. His book Fluvial Processes in River Engineering published by John Wiley & Sons in 1988 has been adopted by many universities as a graduate textbook on river engineering. His papers are published in the Journal of Hydraulic Engineering ASCE, Journal of Hydrology, Journal of Waterway Port Coastal and Ocean Engineering ASCE, Journal of Irrigation and Drainage Engineering ASCE, Journal of Fluid Mechanics, Journal of Hydrology, etc.


He has developed the computer model FLUVIAL-12 for river sedimentation.  This model has world-wide users.


Professional Activities: Among professional activities, he has taught short courses on river and sedimentation engineering, hydrology for flood control, and the use of the HEC-2 and FLUVIAL-12 programs in the U.S. and abroad. He has developed the HHC-1 program for the modified rational method in hydrology. He has made extensive use of HEC-1, HEC-2, HEC-RAS, TR20 and other programs in hydraulics and hydrology.  He has also severed as a consultant for consulting firms, local, state, and federal governmental agencies and the United Nations. He has served as an expert witness on several legal cases. Other experience includes erosion and sedimentation studies of rivers, dam breach analyses, hydrology, fluvial geomorphology, drainage design, floodplain/floodway studies, channel design, etc.

Detailed Resume

FLUVIAL-12 Information Page

Fluvial Processes in River Engineering Information Page