24 



23 



22 



21 



SLOPE (FEET 304 FEET) 

 50TH PERCENTILE 



20 c 



24 c 



23 c 



22 



21° 



20" 



3.0 



\V 



SLOPE (FEET/304 FEET) 4.0 

 70TH PERCENTILE 



113° W 112 c 



m c 



110° 109 c 

 B 



107° 



106 c 



Figure 22. Geographical distribution of difference in depth between the half-minute 

 or 304-foot-spaced depth readings of the shallower isotherms. 



(A) Upper: 50th percentile of absolute value of isotherm slope in the main thermocline. 



(B) Lower: 70th percentile of absolute value of isotherm slope in the main thermocline. 



45 



