NO. 13 SALINITY OF PACIFIC SURFACE WATER — CLARK IJ 



In the winter the isohalires east of 133 W. run approximately 

 along the parallels of latitude, rising only slightly near the coast ; 

 the isohaline of 1.0255 " ses from 33 50' X. lat., 124° W. long to 

 Point Sal, north of Point Conception; the isohaline of I.0257 runs 

 from 33 N. 123 W. to Santa Barbara; and the isohaline of 1.0260 

 run from 32 20' X. 121 W. to Encinitas, just north of San Diego. 



THE BERING SEA 



A preliminary examination of the American records available for 

 the Bering Sea shows a rather interesting condition, tin nigh one 

 which is essentially what would be predicated from a survey of the 

 land and submarine contours and of the drainage systems. 



Makaroff showed the isohaline of 1.0250 running from 45 ° X T . 

 lat. 1 50° E. long, nearly in a straight line (with a slight regular con- 

 vexity toward the east) to Bering Island, then turning more to the 

 eastward and running (again with a slight convexity toward the 

 southeast) to about lat. 61 ° X., long. 180 WE.; from this point 

 he was unable to trace it further owing to an absence of data. It 

 appears from the records at hand that here it turns abruptly to the 

 southward running as far as lat. 55 ° N. which it crosses in long. 

 179 20' W., then making a broad sweep toward the east, crossing 

 lat. 54 N. at long. 177 30' W., reaching lat. 53 35' N. in long. 

 174 30' W., and, continuing the same curve, crossing lat. 55 ° X. 

 again in long. 171 ° 25' W. ; here it turns abruptly toward the NNW., 

 crossing lat. 55 X. in long. 171 ° 55' W., and reaching lat. 55 50' 

 in long. 171 ° 55' W., curving sharply about and coming southward 

 again in a course parallel to that taken going north and about thirty 

 miles to the eastward (forming a long narrow finger toward the 

 NNW., lying chiefly between long. 171 ° W. and long. 172 W.) 

 as far as lat. 54 25' N. long. 170 30' W. where it gradually turns 

 eastward, after long. 169 W. running between lat. 54 05' X, and 

 lat. 54 10' N. to long. 167 05' W. where it turns abruptly south 

 and then west, running WSW. nearly in a straight line to Uliaga in the 

 Islands of Eour Mountains. 



We thus see that the water with a specific gravity of 1.0250 or 

 more is entirely confined to that part of the Bering Sea west of long. 

 167 \\\, while except for a narrow strip just north of the Andreanof 

 Islands, the Islands of Eour Mountains, L'mnak and western En- 

 alaska, it lies to the west of long. 179°. It therefore lies entirely in the 



