72 



TABLE 1.— RESIDENCE TIMES OF 4 DIFFERENT R^0I0NIJCLI0'^S IN THE UPPER OCEAN INDICATED BY STUDIES 



OF OCEANIC TUNAS 



1 Corrected for radioactive decay. 



TABLE 2.— VARIATIONS OF^sbRu, eoSr, AND "'Cs OBSERVED GOING WEST FROM CALIFORNIA IN THE NORTHEAST 

 PACIFIC IN 1964 (CROSSING THE NORTHERN PART OF THE BIGHT) 



pC/$ sea water 



Station Miles from coast JS'Pu wsr 13705 



Scrlpps Pier. 0.004 0.12-0.46 



815-475 30 (south of Point Arguello) .0011 0.055 .09 



762-50.... 10 (north of Point Arguello) .0011 .097 .16 



80.70 100 (west of Point Arguello) .0014 .19 .27 



70.120.. 300 (west of Point Arguello) .0015 .37 .59 



60.190 700 (west of Point Arguello) .00316 .57 .66 



60.200(Uo) 720(westof Point Arguello).... '.00259 



"November" l,100(l,400westof San Diego).. .0030 .37 .48 



1 Sample from station 60.200 only 20 miles away from station 60.190. 



TABLE 3.— EXAMPLES OF ENVIRONMENTAL VARIATIONS INDICATED BY MARINE ORGANISMS IN THE CALIFORNIA 



BIGHT REGION 



A. Mzn IN MYTILUS CALIFORNIANUS (BLACK MUSSEL) 



pCi/Kg wet 



Location May 1963 February 1964 



Pt. Dume, Calif .. 50 



Santa Monica, Calif 23 



Laguna Beach, Calif 34 



Oceanside, Calif 26 



Solana Beach. Calif 21 



La Jolla, Calif (Scripps) 48 32 



Pacific Beach, Calif. 50 



Pta. Banda, B.C 133 



Pta. Calaveras, B.C 106 



Pta. de Cabra, B.C 105 



CaboColnett B.C 125 



Pta. Baja, B.C 82 



Pta. San Carlos, B.C 50 



B. "zn IN POLLICIPES POLYMERUS (GOOSENECK BARNACLE) 



pCi/Kg wet 

 Location February 196 4 



La Jolla, Calif (Scripps) 30 



Pta. Banda, B.C 81 



Pta Calaveras, B.C 120 



Cabo Colnett.B.C 94 



