. The Eastern Bering Sea Shelf : oceanography and resources / edited by Donald W. Hood and John A. Calder. Oceanography Bering Hydrographic structure 33 166 162 160' 158" 59' 58 57' 56' A. 164 160 Figure 4-1. Approximate boundaries separating the three shelf (coastal, middle, outer) and the oceanic hydrographic domains. The boundaries are three fronts: inner, middle, and shelf break. These fronts roughly coincide with the 50 m isobath, the 100 m isobath, and the 200 m isobath (shelf break). Profiles from the numbered stations appear in Fig. 4-2. through the eastern Aleutian passes b
. The Eastern Bering Sea Shelf : oceanography and resources / edited by Donald W. Hood and John A. Calder. Oceanography Bering Hydrographic structure 33 166 162 160' 158" 59' 58 57' 56' A. 164 160 Figure 4-1. Approximate boundaries separating the three shelf (coastal, middle, outer) and the oceanic hydrographic domains. The boundaries are three fronts: inner, middle, and shelf break. These fronts roughly coincide with the 50 m isobath, the 100 m isobath, and the 200 m isobath (shelf break). Profiles from the numbered stations appear in Fig. 4-2. through the eastern Aleutian passes by vigorous tidal currents, but the net flux of water is not known, and is probably small in any case because of small cross- sectional area (Favorite 1967).^ Arsenev (1967) wrote about water masses and currents of the entire Bering Sea, using many sources, but highlighting Soviet work. He discussed the importance of water mass transformation by fresh- water runoff, insolation, cooling, melting, and freez- ing. He also recognized the separation of oceanic and shelf waters, but virtually ignored the southeastern shelf in favor of the western shelf, especially the Gulf of Anadyr. Dodimead et al. (1963) and Favorite et al. (1976) summarized the regional oceanography of the North Pacific, including the Bering Sea. Dodimead et al. (1963) included an appendix on Bristol Bay, and ^ Favorite (personal communication 1979) has pointed out that the distribution of a temperature maximum along the eastern Bering Sea continental slope suggests net inflow to the Bering Sea through passes west of Unimak Pass between 170°Wandl72°W. noted several features that have been elaborated only recently. They reported the inner front that separ- ates the coastal and middle domains as a sharp boundary (cf. Schumacher et al. 1979), and also reported "marked changes" near the shelf break that correspond to the weak haline front there (cf. Kinder and Coachman 1978, Coachman and Charnell 1979). The
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