Table 4 



Linear Regression Analysis of Infragravity, Sea, and Swell 



Variance 



Variance Quantities 



NESea 



SESea 



NE Swell 



SE Swell 



Northward edge waves 



C = 0.76 



C = 0.40 



C = 0.96 



C = 0.54 



Southward edge waves 



C = 0.50 



C = 0.76 



C = 0.38 



C = 0.95 



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CM 





CM 





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E 





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LU 



3000 



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Z 





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N Swell Variance 



(cm 2 ) 



N Swell Variance 



(cm 2 ) 



(a) 





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S Swell Variance 



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S Swell Variance 



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(c) 





(d) 





Figure 23. Scatterplot of northward (a,d) and southward (b,c) propagating 

 edge wave variance against swell directional variance (Oltman- 

 Shay 1991; Otlman-Shay et al. 1992) 



Chapter 4 Field Observations 



45 



