. The Eastern Bering Sea Shelf : oceanography and resources / edited by Donald W. Hood and John A. Calder. Oceanography Bering Figure 19-20. Total iron content (%) of southeastern Bering Sea sediment. The distribution of size-fractionated sediment and the mineralogy of the clay-sized component within Norton Sound has been briefly noted above. The character of the surficial sediment in this area is influenced to a considerable degree by the Yukon. ne'..' ITT* â ncT* m.' u7.'' m.' n!. ⢠171. 153, ' IH Figure 19-21. Soluble (< jum) copper contents of surface waters of central Bering
. The Eastern Bering Sea Shelf : oceanography and resources / edited by Donald W. Hood and John A. Calder. Oceanography Bering Figure 19-20. Total iron content (%) of southeastern Bering Sea sediment. The distribution of size-fractionated sediment and the mineralogy of the clay-sized component within Norton Sound has been briefly noted above. The character of the surficial sediment in this area is influenced to a considerable degree by the Yukon. ne'..' ITT* â ncT* m.' u7.'' m.' n!. ⢠171. 153, ' IH Figure 19-21. Soluble (< jum) copper contents of surface waters of central Bering Sea (D. T. Heggie, unpub- lished data). The second value given for shelf samples shows corresponding near-bottom values. TABLE 19-2 Some mean elemental particulate and soluble contents of Bering Sea water (from Robertson, Heggie, unpublished data) Element n Surface n Bottom A. Particulate sediment Al Mg/1 7 ± .2 17 ±.3 Fe Mg/1 4 ±.17 10 ±.5 Mn Mg/1 7 ±.03 17 ±.07 V Mg/1 - <16 16 92 ±19 As Mg/1 4 ± 10 ± Co Mg/1 4 ± .09 10 ± .08 Sb Mg/1 4 ±.21 10 ± .27 B. Soluble concentrations Cu Mg/1 23 ± .22 13 ± .38 Pb Mg/1 23 ± .04 13 ± .10 River discharge. Table 19-3 demonstrates the close correlation of extractable contents of heavy metals from the sediment with the weight fraction of fine- grained sedimentâ, with available solid-phase surface area. ACKNOWLEDGMENTS This work, Institute of Marine Science Contribu- tion No. 405, was supported largely by the Bureau of Land Management through interagency agreement with the National Oceanic and Atmospheric Adminis- tration, under which a multiyear program responding to the needs of petroleum development of the Alas- kan Continental Shelf is managed by the Outer Continental Shelf Environmental Assessment Program Office, and by the State of Alaska. Sediment samples for clay minerals studies were kindly
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