Preface 



The study described in this report was performed in Fiscal Year 1998 under the 

 Diagnostic Modeling System (DMS) Work Unit of the Coastal Sedimentation and 

 Dredging Program administered by Headquarters, U.S. Army Corps of Engineers 

 (HQUS ACE). Research and Development activities of the DMS are being conducted at 

 the U.S. Army Engineer Research and Development Center (ERDC), Coastal and 

 HydrauUcs Laboratory (CHL). HQUS ACE Technical Monitors were Messrs. Charles B. 

 Chesnutt and Barry W. HoUiday. 



Work was performed by Dr. Nicholas C. Kraus, Coastal Sediments and Engineering 

 Division (CSED), CHL; Mr. David J. Mark, Coastal Hydrodynamics Branch, Navigation 

 and Harbors Division; and Ms. Soraya Sarruff, Tidal HydrauUcs Branch, Estuary and 

 Hydroscience Division. The study was done with the cooperation of the U.S. Army 

 Engineer District, Galveston (CESWG) as a pilot project for evaluating the DMS. 

 Guidance and review were provided by Messrs. Herbie A. Maurer and Johnny Rozsypal, 

 Chief, CESWG Operations Division (OD) and Chief, Navigation Branch (NB), CESWG- 

 OD, respectively. Mr. Christopher D. Rossi, was the CESWG-OD-NB Uaison in 

 providing data and records in support of the study. 



Work at CHL was performed under the general supervision of Dr. James R. Houston 

 and Mr. Charles C. Calhoun, Jr., former Director and former Assistant Director, 

 respectively, and the administrative supervision of Mr. Thomas W. Richardson, Acting 

 Director, CHL. 



At the time of pubUcation of this report. Director of ERDC was Dr. James R. 

 Houston, and COL James S. Weller, EN, was Commander. 



VII 



