The Eastern Bering Sea Shelf The Eastern Bering Sea Shelf : oceanography and resources / edited by Donald W. Hood and John A. Calder easternberingsea00hood Year: 1981 978 Plankton ecology indicated that the water also moves westward or west-northwestward in the Zhemchug Canyon region with a flow speed of 5-13 cm/sec. This may explain why the upper layer at Station 9 was strongly influ- enced by the outer-shelf water. Fig. 58-2 presents temperature-salinity and phos- phate-salinity diagrams based on data obtained on the 1969 cruise of R/V Oshoro Mam (Faculty of Fisheries, Hokkaido University 1
The Eastern Bering Sea Shelf The Eastern Bering Sea Shelf : oceanography and resources / edited by Donald W. Hood and John A. Calder easternberingsea00hood Year: 1981 978 Plankton ecology indicated that the water also moves westward or west-northwestward in the Zhemchug Canyon region with a flow speed of 5-13 cm/sec. This may explain why the upper layer at Station 9 was strongly influ- enced by the outer-shelf water. Fig. 58-2 presents temperature-salinity and phos- phate-salinity diagrams based on data obtained on the 1969 cruise of R/V Oshoro Mam (Faculty of Fisheries, Hokkaido University 1970) in the Zhem- chug Canyon area. Salinities ( O o ^^ 0) 3 w 0) Q. E 0 _ -. ' ' / 'S. ' ro , ,* '°J f -^ s» '^ \ y \ / \ \ \ 1 ' > \ X \ /\ \oUTa R-SHB tA â 2 ^ \yâ Ss A ' 0^ \ ^50ni)J/ V 1 3 .\ K / V- â 'x \ /Vsorn \ ' \ \, f\i A Y \ 4 - ^^OnW \ \ \/\ X \ y/ ^^A' 5 _ MID-SWELH \ / \ ** V y^ A \- \ \ \ a/\\ /\ B \ \ i r^Onj^ s/ \ \/ \ ^ \ \ 1 jK Y \ N S / \ // r \ \ /\ DEEP \ M <3Um. f ^BERING 7 ft \ 1 ^ \ 3 - 5 0) 2 - (0 a (0 o 1 - Salinity o Figure 58-2. Temperature and salinity and phospiiate- salinity envelopes in Zhemchug Canyon area of the Bering Sea in July 1969 (Oshoro Maru cruise 32, Faculty of Fisheries, Hokkaido University 1970). Individual envelopes enclose all station data in 0- to 150-m water columns (0 to the bottom where the bottom is less than 150 m) at indi- cated stations: deep Bering Sea, Stations 23, 78, 84, 88, 94, 96, 106, 114; outer-shelf domain, Stations 87, 91, 92, 108,109, 110; mid-shelf domain. Stations 30, 36. over the outer-shelf domain and ^/00 over the deep Bering Sea) fall in almost the same range as those observed during the summer of 1978, and the two water masses are clearly distinct with respect to the distribution of phosphate. We there- fore conclude that the zonation of nutrients is a general feature of the eastern Bering Sea in summer. Unfortunately, nit
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