Al t • 7,S mln». 



RADIAL DISTANCE, r - (Hmt) 



Al r • 20 kn 



JLJ. 



1000 

 TIME, t - (MM) 



INITIAL ELEVATION al I • 



I 



E 



- 2 



Al I • 7.S mim. 



RADIAL DISTANCE, r -(kfi») 



' RADIAL R OIST -r 



rlNITIAL MPULSE ol 1-0 



^•p.['--i-(^ir] 



^ RADIAL R v5r DIST. -r 



Figure 39 Theoretical wave forms generated by radially symmetric model 



of sudden water surface disturbance. (a piston-like upheaval 

 (Q = 28m R = 2 km, water depth d = 5 km) ; (b) paraboloidal 

 pressure 'impulse (Po = 5 x 10^ dyne-sec/cm2, R = 1.1|3 km, 

 d = 5 km (from Kranzer and Keller, 1959) 



60 



