Table 1 1 



Selected Texas Longshore Sediment Transport Estimates 



Author 



Net 



m^/yr 



and 



direction 



Gross 

 m^/yr 



Location 



Dist. 

 from 

 C. R. 



Data 

 Years 



Method 



Mason 

 1981 



304,000 

 to sw 





Galveston 



130 

 km 

 nw 



1975 



LEO, 

 SPM 



Mason 

 1981 



178,000 

 to sw 





San Luis 

 Pass 



100 

 km 

 nw 



1975 



LEO, 

 SPM 



Mason 

 1981 



67,000 

 to sw 





Freeport 



80 km 

 nw 



1975 



LEO, 

 SPM 



Mason & 



Sorenson 



1971 



15,000 to 

 69,000 

 to sw 



229,000 



to 

 765,000 



Brown 

 Cedar Cut 



30 km 

 nw 





Various 



USAED 



Galveston 



1977 





172,000 



Colorado 

 River 







1953- 

 1954 



Bathymetry 

 changes 



Heilman 

 1995 



152,000 

 to sw 





Colorado 

 River 







1935 - 

 1982 



Bathymetry 

 changes 



Heilman 

 1995 



214,000 

 to sw 





Colorado 

 River 







1984- 

 1992 



Bathymetry 

 changes 



Heilman 

 1995 



310,000 

 to sw 



580,000 



Colorado 

 River 







1990- 

 1992 



Gauges, 

 GENESIS 



USAED 



Galveston 



1977 





153,000 + 



Matagorda 



Ship 



Channel 



40 km 

 sw 



1964- 

 1971 



Bathymetry 

 changes 



Watson & 



Behrens 



1976 



67,000 

 to sw 



555,000 



Corpus 

 Christi 



160 

 km sw 



1972- 

 1975 



LEO, 

 SPM 



SPM Method Calculations 



The wave data were used to calculate the longshore sediment transport rate 

 using the radiation-stress equation given in the SPM (1984) Equation 4-49 as: 



KP. 



(p - p)ga' 



(2) 



44 



Chapter 5 Prediction of Sediment Transport Rates 



