SPECIAL SCIENTIFIC REPORT- FISHERIES No
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549: Atlas of July Oceanographic Conditions in the Northeast Pacific Ocean, 1961-64 By R. W. Owen, Jr. Biological Laboratory MarineLIBRARY MAR 2 i 1967 WOODS HOLE, MASS. SPECIAL SCIENTIFIC REPORT- FISHERIES No. 549 UNITED STATES DEPARTMENT OF THE INTERIOR Stewart L. Udall, Secretary John A. Carver, Jr., Under Secretary Stanley A. Cain, Assistant Secretary for Fish and Wildlife and Parks FISH AND WILDLIFE SERVICE, Clarence F. Pautzke, Commissioner Bureau of Commercial Fisheries, Donald L. McKernan, Director Atlas of July Oceanographic Conditions in the Northeast Pacific Ocean, 1961-64 By R. W. Owen, Jr. United States Fish and Wildlife Service Special Scientific Report—Fisheries No. 549 Washington, D.C. January 1967 CONTENTS Page Introduction 1 Environment and catch 2 Acknowledgments 2 Literature cited 3 FIGURES Page Figure 1 .--Distribution of temperature at 10 m., July 1961. Contour interval is 0.5° C. except where shaded 4 Figure 2.-- Distribution of temperature at 10 m., July 1962. Contour interval is 0.5° C. except where shaded 5 Figure 3. --Distribution of temperature at 10 m., July 1963. Contour interval is 0.5° C. except where shaded 6 Figure 4. --Distribution of temperature at 10 m., July 1964. Contour interval is 0.5 C. except where shaded 7 Figure 5.- - Distribution of salinity at 10 m., July 1961. Contour interval is 0.5 p.p.t. ex- cept where shaded 8 Figure 6. --Distribution of salinity at 1 m., July 1962. Contour interval is 0.5 p.p.t. except where shaded » • Figure 7. --Distribution of salinity at 10 m., July 1963. Contour interval is 0.5 p.p.t. ... 10 Figure 8.- -Distribution of salinity at 10 m., July 1964. Contour interval is 0.5 p.p.t. ... 11 Figure 9. --Horizontal distribution of density at 10 m., July 1961. Contour interval is 0.5 a, unit 12 Figure 10. --Horizontal distribution of density at 10 m., July 1962. Contour interval is 13 cj 0.5 t unit Figure 1 1.- -Horizontal distribution of density at 10 m., July 1963. Contour interval is 0.5 at unit 14 Figure 12. --Horizontal distribution of density at 10 m., July 1964. Contour interval is 15 0.5 a t unit except where shaded Figure 13. --Horizontal distribution of oxygen concentration at 10 m., July 1961. Contour interval is 0.2 ml./l. except where shaded 16 Figure 14. --Horizontal distribution of oxygen concentration at 10 m., July 1962. Contour interval is 0.2 ml./l 17 Figure 15. --Horizontal distribution of oxygen concentration at 10 m., July 1963. Contour interval is 0.2 ml./l. except where shaded '° Figure 16. --Horizontal distribution of oxygen concentration at 10 m., July 1964. Contour interval is 0.2 ml./l. except where shaded '' Figure 17. --Horizontal distribution of temperature at 100 m., July 1961. Contour interval is 0.2 5° C. except where shaded 20 Figure 18. --Horizontal distribution of temperature at 100 m., July 1962. Contour interval 21 is 0.25° C Figure 19. --Horizontal distribution of temperature at 100 m., July 1963. Contour interval ZZ is 0.25° C Figure 20. --Horizontal distribution of temperature at 100 m., July 1964. Contour interval is 0.25° C 23 Figure 21 .--Horizontal distribution of salinity at 100 m., July 1961. Contour interval is 0.2 p.p.t 24 Figure 22. --Horizontal distribution of salinity at 100 m., July 1962. Contour interval is 0.2 p.p.t 25 Figure 23. --Horizontal distribution of salinity at 100 m., July 1963. Contour interval is 0.2 p.p.t 26 Figure 24. --Horizontal distribution of salinity at 100 m., July 1964. Contour interval is 0.2 p.p.t 27 Figure 25. --Horizontal distribution of density at 100 m., July 1961. Contour interval is 0.25 unit 28 a t iii ) FIG UR ES - - ( c ontinu ed Page Figure 26. --Horizontal distribution of density at 100 m. July 1962. is ( Contour interval 0.25 fi t unit 29 Figure 27.- -Horizontal distribution of density at 100 m., July 1963. Contour interval is 0.25 ff t unit 30 Figure 28.- -Horizontal distribution of density at 100 m., July 1964. Contour interval is <7 0.25 t unit 31 Figure 29.- -Horizontal distribution of oxygen concentration at 100 m., July 1961. Contour interval is 0.5 ml./l 32 30. Figure --Horizontal distribution of oxygen concentration at 100 m. ( July 1962. Contour interval is 0.5 ml./l 33 Figure 31 .- -Horizontal distribution of oxygen concentration at 100 m., July 1963. Contour interval is 0.5 ml./l 34 Figure 32. --Horizontal distribution of oxygen concentration at 100 m., July 1964. Contour interval is 0.5 ml./l 35 Figure 33. --Horizontal distribution of temperature at 500 m., July 1961. Contour interval is 0.2° C 36 Figure 34. --Horizontal distribution of temperature at 500 m., July 1962. Contour interval is 0.2° C 37 Figure 35. --Horizontal distribution of temperature at 500 m., July 1963. Contour interval is 0.2O c 38 Figure 36. --Horizontal distribution of temperature at 500 m., July 1964. Contour interval is 0.2° C 39 Figure 37. --Horizontal distribution of salinity at 500 m., July 1961. Contour interval is 0.05 p.p.t 40 Figure 38. --Horizontal distribution of salinity at 500 m., July 1962. Contour interval is 0.05 p.p.t 41 Figure 39. --Horizontal distribution of salinity at 500 m., July 1963. Contour interval is 0.05 p.p.t. 42 Figure 40.- -Horizontal distribution of salinity at 500 m., July 1964. Contour interval is 0.05 p.p.t 43 Figure 41 .--Horizontal distribution of density at 500 m., July 1961. Contour interval is 0.025 a t unit 44 Figure 42. --Horizontal distribution of density at 500 m., July 1962. Contour interval is 0.025 a t unit 45 Figure 43. -- Horizontal distribution of density at 500 m., July 1963. Contour interval is 0.025 ct, unit 46 Figure 44. --Horizontal distribution of density at 500 m., July 1964. Contour interval is 0.025 a t unit except where shaded 47 Figure 45. --Horizontal distribution of oxygen concentration at 500 m., July 1961. Contour interval is 0.2 ml./l 48 Figure 46. --Horizontal distribution of oxygen concentration at 500 m., July 1962. Contour interval is 0.2 ml./l. 49 Figure 47. --Horizontal distribution of oxygen concentration at 500 m., July 1963. Contour interval is 0.2 ml./l 50 ; Figure 48. --Horizontal distribution of oxygen concentration at 500 m., July 1964. Contour interval is 0.2 ml./l 51 Figure 49. --Vertical profiles of temperature in July 1961 along specified lines of lati- tude. Longitudinal relationships between profiles are preserved. Sea floor is stippled. Contour interval is 1° C. Depth scale is logarithmic 52 Figure 50.-- Vertical profiles of temperature in July 1962 along specified lines of lati- tude. Longitudinal relationships between profiles are preserved. Sea floor is stippled. Contour interval is 1° C. Depth scale is logarithmic 53 Figure 51.-- Vertical profiles of temperature in July 1963 along specified lines of lati- tude. Longitudinal relationships between profiles are preserved. Sea floor is stippled. Contour interval is 1° C. Depth scale is logarithmic 54 Figure 52.-- Vertical profiles of temperature in July 1964 along specified lines of lati- tude. Longitudinal relationships between profiles are preserved. Sea floor is stippled. Contour interval is 1° C. Depth scale is logarithmic 55 Figure 53.-- Vertical profiles of salinity in July 1961 along specified lines of latitude. Longitudinal relationships between profiles are preserved. Sea floor is stippled. Contour interval is 0.2 p.p.t. except where shaded. Depth scale is logarithmic 56 iv FIGURES- -(continued) Page Figure 54.-- Vertical profiles of salinity in July 1962 along specified lines of lati- tude. Longitudinal relationships between profiles are preserved. Sea floor is stippled. Contour interval is 0.2 p.p.t. Depth scale is logarithmic 57 Figure 55.-- Vertical profiles of salinity in July 1963 along specified lines of lati- tude. Longitudinal relationships between profiles are preserved. Sea floor is stippled. Contour interval is 0.2 p.p.t. Depth scale is logarithmic 58 Figure 56.-- Vertical profiles of salinity in July 1964 along specified lines of lati- tude. Longitudinal relationships between profiles are preserved. Sea floor is stippled. Contour interval is 0.2 p.p.t. except where shaded. Depth scale is logarithmic 59 Figure 57.-- Vertical profiles of density in July 1961 along specified lines of latitude. Longi- tudinal relationships between profiles are preserved. Sea floor is stippled. Con- tour interval is 0.2 5 unit where is . u c except shaded. Depth scale logarithmic 60 Figure 58.-- Vertical profiles of density in July 1962 along specified lines of latitude. Longi- tudinal relationships between profiles are preserved. Sea floor is stippled. Con- cr tour interval is 0.25 t unit. Depth scale is logarithmic 6l Figure 59.-- Vertical profiles of density in July 1963 along specified lines of latitude. Longi- tudinal relationships between profiles are preserved. Sea floor is stippled. Con- tour interval is 0.25 a t unit. Depth scale is logarithmic . 62 Figure 60.-- Vertical profiles of density in July 1964 along specified lines of latitude. Longi- tudinal relationships between profiles are preserved. Sea floor is stippled. Con- tour interval is 0.25 a t unit except where shaded. Depth scale is logarithmic . 63 Figure 61 .--Vertical profile of oxygen concentration along lat. 44° N., July 1961. Contour interval is 0.5 ml./l. Depth scale is logarithmic 64 Figure 62. --Depth of the upper mixed layer, July 1961. Contour interval is 10 m 65 Figure 63.