Figure 3-57. Matagorda Bay model (after Simmons and Rhodes, 1966) 



feet. Tides and tidal currents were reproduced by a primary tide gener- 

 ator located in the Gulf of Mexico part of the model and a secondary tide 

 generator located at the model limit of the channels which connect Mata- 

 gorda Bay and Espiritu Santo Bay to the west. This secondary generator 

 reproduced the discharge exchange between the two bays which results 

 from tidal action in each of the bays. 



(8) Test Procedures . The model was operated with both saltwater 

 and freshwater so that density effects on current velocity distribution in 

 the deep channels would be reproduced, and the effects of the deep-draft 

 project on the salinity regimen of the bay system could be determined. 



(9) Summary of Test Results . The alinement of the new entrance 

 channel, as developed during the model study, is shown in Figure 3-58. 



44 



