. The Eastern Bering Sea Shelf : oceanography and resources / edited by Donald W. Hood and John A. Calder. Oceanography Bering TR N H , U S A CHART 587630-1 DEPTH IN ME^ â"ââ - â ' 1 .â.__, _ I -w^'^K-v-*- O RTlrri ' A . yNv V^ Two basic types of ice gouge have been recognized on the sea floor of the northeastern Bering Sea: single gouges and multiple gouges or raking. A single gouge, the dominant type of ice-produced mark on the Bering Sea floor, is a groove produced by a single ice keel plowing through the surficial sediment (Figs. 17-3A, 17-3B, 17-4A, 17-4B, and 17-4C) (Reimnitz
. The Eastern Bering Sea Shelf : oceanography and resources / edited by Donald W. Hood and John A. Calder. Oceanography Bering TR N H , U S A CHART 587630-1 DEPTH IN ME^ â"ââ - â ' 1 .â.__, _ I -w^'^K-v-*- O RTlrri ' A . yNv V^ Two basic types of ice gouge have been recognized on the sea floor of the northeastern Bering Sea: single gouges and multiple gouges or raking. A single gouge, the dominant type of ice-produced mark on the Bering Sea floor, is a groove produced by a single ice keel plowing through the surficial sediment (Figs. 17-3A, 17-3B, 17-4A, 17-4B, and 17-4C) (Reimnitz et al. 1973, Reimnitz and Barnes 1974). Single gouges are ubiquitous throughout Norton Sound, but the highest density occurs around the prodelta of the Yukon River (Fig. 17-5). Figure 17-3. A. Solitary gouge on a sonograph. B. 200 kHz fatiiometer profile and diagrammatic represen- tation of gouge shown in A. Features of gouge include (a) incision depth as measured from gouge bottom to a hori- zontal line projected across sediment surface, (b) height of sediment mounded on the gouge end, (c) width of incision, (d) width of disruption zone caused by the gouging process. C. Box core slab showing subsurface (11-18 cm interval) disruption possibly caused by a past gouge event. C'. c %'. 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 Hood, D. W. (Donald Wilbur), 1918-; Calder, John A; United States. Office of Marine Pollution Assessment; United States. Bureau of Land Management. [Rockville, Md. ?] : U. S. Dept. of Commerce, National Oceanic and Atmospheric Administration, Office of Marine Pollution Assessment ; Seattle, Wash. : Distributed by the University of Washington Press
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