Table 8 



Wave Conditions and Seawall Elevations for 1991 Profiles of Revere Beach^ 



Profile 

 No. 



Storm 

 Hour 



SWL 

 ft, mlw 



Depth in 

 Flume, ft 



Wave 



Height 



ft 



Wave 



Period 



sec 



Seawall 

 Crest 

 Elev. 

 sec 



Base of 

 Seawall 

 ft, mlw 



Over- 

 topping 

 cfs/ft 



Cotan 

 Beach 

 Slope 



Elev at 

 2,000 ft 

 Offshore 

 ft, mlw 



5 



28 



13.4 



12.23 



9.10 



15.9 



20.4 



19.1 



0.0000 



14.5 



-1.40 



5 



29 



15.9 



14.73 



8.90 



15.9 



20.4 



19.1 



0.1947 



14.5 



-1.40 



5 



30 



16.6 



15.43 



8.70 



15.9 



20.4 



19.1 



0.3928 



14.5 



-1.40 



4 



27 



10.0 



10.69 



7.40 



15.9 



20.3 



19.1 



0.0000 



19.5 



-3.57 



4 



28 



13.4 



14.09 



7.90 



15.9 



20.3 



19.1 



0.0073 



19.5 



-3.57 



4 



29 



15.9 



16.59 



10.40 



15.9 



20.3 



19.1 



0.3301 



19.5 



-3.57 



4 



30 



16.6 



17.29 



7.10 



15.9 



20.3 



19.1 



0.4070 



19.5 



-3.57 



4 



31 



15.0 



15.69 



9.60 



15.9 



20.3 



19.1 



0.1986 



19.5 



-3.57 



4 



32 



13.4 



14.09 



7.91 



15.9 



20.3 



19.1 



0.0075 



19.5 



-3.57 



4 



43 



13.4 



14.09 



6.96 



15.9 



20.3 



19.1 



0.0078 



19.5 



-3.56 



3 



29 



15.9 



17.37 



4.50 



15.9 



20.5 



18.2 



0.0168 



15.5 



-2.25 



3 



30 



16.6 



18.07 



4.40 



15.9 



20.5 



18.2 



0.0215 



15.5 



-2.25 



3 



32 



13.4 



14.87 



4.40 



15.9 



20.5 



18.2 



0.0000 



15.5 



-2.25 



3 



43 



13.4 



14.87 



7.04 



15.9 



20.5 



18.2 



0.0022 



15.5 



-2.23 



2 



28 



13.2 



16.15 



10.89 



15.9 



21.3 



20.5 



0.0079 



16.0 



-5.03 



2 



29 



15.9 



18.85 



11.97 



15.9 



21.3 



20.5 



0.2445 



16.0 



-5.02 



2 



30 



16.6 



19.55 



12.65 



15.9 



21.3 



20.5 



0.4156 



16.0 



-5.02 



2 



31 



15.0 



17.95 



11.70 



15.9 



21.3 



20.5 



0.0955 



16.0 



-5.02 



2 



32 



13.2 



16.15 



10.95 



15.9 



21.3 



20.5 



0.0109 



16.0 



-5.02 



2 



33 



10.0 



12.95 



9.78 



15.9 



21.3 



20.5 



0.0000 



16.0 



-5.02 



2 



42 



13.9 



16.85 



8.30 



15.9 



21.3 



20.5 



0.0150 



16.0 



-5.04 



2 



43 



13.2 



16.15 



7.29 



15.9 



21.3 



20.5 



0.0043 



16.0 



-5.04 





28 



13.4 



15.59 



9.10 



15.9 



19.8 



19.4 



0.0336 



14.0 



-5.42 





29 



15.9 



18.09 



9.30 



15.9 



19.8 



19.4 



0.4311 



14.0 



-5.41 





30 



16.6 



18.79 



8.70 



15.9 



19.8 



19.4 



0.8304 



14.0 



-5.41 





31 



15.0 



17.19 



9.10 



15.9 



19.8 



19.4 



0.2337 



14.0 



-5.41 





32 



13.4 



15.59 



9.01 



15.9 



19.8 



19.4 



0.0571 



14.0 



-5.41 





42 



13.9 



16.09 



8.90 



15.9 



19.8 



19.4 



0.0904 



14.0 



-5.45 





43 



13.4 



15.59 



8.15 



15.9 



19.8 



19.4 



0.0364 



14.0 



-5.45 





45 



10.0 



12.19 



9.02 



15.9 



19.8 



19.4 



0.0000 



14.0 



-5.45 





28 



13.4 



15.59 



9.10 



15.9 



20.7 



20.3 



0.0215 



14.0 



-5.42 





29 



15.9 



18.09 



9.30 



15.9 



20.7 



20.3 



0.3105 



14.0 



-5.41 



<'Con//noed^ 



^ All measurements are prototype scale. 



Chapter 3 Research Tasks A, B, and C 



33 



