1. Member, ASCE
2. Associate Member, ASCE
3. Prof. and Chair., Envir. Sci. and Engrg., Rice Univ., 6100 Main St., Houston, TX 77005. E-mail: bedient@rice.edu
4. Hydro., NEXRAIN Corp., 9477 Greenback La., Ste. 523A, Folsom, CA 95630. E-mail: bhoblit@nexrain.com