. L'Est de la mer de Béring Tablette : océanographie et ressources / edited by Donald W. Hood et John A. Calder. L'océanographie de la mer de Béring.. 78 océanographie physique 170* 166 162'' NORTON BAY. La figure 6-1. Lieu géographique et bathymétrie de la Norton Sound. La croissance se poursuit vers le sud jusqu'à la glace, à la mi-décembre, la totalité du son est plus ou moins couverte. Cette couche de glace, qui persistera jusqu'en avril ou mai, comprend principalement des pack lâche 0,5 à 1,0 m d'épaisseur à l'exception de la glace shorefast près du rivage et sur une certaine distance au large, dans la région du delta du fleuve Yukon. Des observations directes de th

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. The Eastern Bering Sea Shelf : oceanography and resources / edited by Donald W. Hood and John A. Calder. Oceanography Bering Sea.. 78 Physical oceanography 170* 166' 162' NORTON BAY. Figure 6-1. Geographical location and bathymetry of the Norton Sound region. Ice growth continues southward until, by mid- December, the entire sound is more or less covered. This ice cover, which usually persists until April or May, consists primarily of loose pack 0.5-1.0 m thick except for shorefast ice near shore and for some distance offshore in the region of the Yukon River Delta. Direct observations of the ice cover are limited, and much information on its distribution and extent has been obtained through the use of satellite data (Muench and Ahlnas 1976, Ahlnas and Wendler 1979). During winter the ice cover would be expected to markedly reduce air-sea exchange of heat, moisture, and momentum. This would mitigate effects on the water of low air temperatures and winter storms. Oceanographic background Our existing knowledge of northern Bering Sea circulation before the present series of studies was summarized by Coachman et al. (1975). The regional circulation is dominated by a northward net water transport of about 1.5 X 10^ m^/sec over the shelf between Norton Sound and Siberia. [Editorial note: this value may be high. See next chapter. D.H.] More recently Muench et al. (1978), on the basis of near-bottom recorded current measurements, have reported northward net flow southeast of St. Law- rence Island and in Bering Strait from October 1975 through April 1977. They also noted that the currents were characterized by north-south flow events having. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Hood, D. W. (Donald Wilbur), 1918-; Calder, John A; United States. Office of Marine Pollution Assessment; United St

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