OBSERVATIONS 



Stations 



Sampling stations were located on a 

 grid which covered and surrounded Bristol 

 Bay (fig. 1). The grid was bounded on the 

 northwest by a line between Nunivak Island 

 and the Pribilofs sind then generally by the 

 thousand fathom curve to 170° W. north of 

 the Aleutian Chain and to the Shumagin 

 Island area south of the Chain. The grid, 

 composed of 17 perpendicular sections and 

 20 parallel lines relative to the Chain, 

 would have provided a complete coverage of 

 the area of investigation: the sections, 

 set 20 miles apart, consisted of two rows 

 of stations at 10-mile intervals, the rows 

 also 10 miles apart; the lines were also 



set 20 miles apart but consisted of only 

 one row of stations at the ssune interval. 



Although effort was made to occupy 

 the exact locations of the stations as laid 

 out, the almost continuous inclement weather 

 and short working season necessitated many 

 deviations from the original plan. During 

 the 4- week season in 1938, August 6 to Sep- 

 tember 7, only the first four sections and 

 parts of five of the lines were completed 

 in inner Bristol Bay. Thus, we have renum- 

 bered the station positions according to 

 the consecutive hydrographic casts, which 

 maintain the continuity of the oceanographic 

 observations. The Redwing was anchored on 

 nearly every station until August 24 (Sta- 

 tion 67); thereafter the vessel drifted 

 during the hydrographic casts. 



Figure 1. --Station plan, 193^ 



