. The Eastern Bering Sea Shelf : oceanography and resources / edited by Donald W. Hood and John A. Calder. Oceanography Bering 9hr. Approximate ice edge (23 hr) , Direction of swell 270° 23 hr RED BLUE YELLOW GREEN PURPLE-2 PURPLE-t Km Figure 12-18. A schematic diagram of the observed ad- vance and relative positions of the targeted ice floes during the 23-hour observation period. TABLE 12-1 Averaged wind data for the 23-hour period Time Period Average Speed Average Bearing (m/sec) (true degrees) 0-4 021 4-9 000 9-23 006 0-23 008 At this time, we observed many
. The Eastern Bering Sea Shelf : oceanography and resources / edited by Donald W. Hood and John A. Calder. Oceanography Bering 9hr. Approximate ice edge (23 hr) , Direction of swell 270° 23 hr RED BLUE YELLOW GREEN PURPLE-2 PURPLE-t Km Figure 12-18. A schematic diagram of the observed ad- vance and relative positions of the targeted ice floes during the 23-hour observation period. TABLE 12-1 Averaged wind data for the 23-hour period Time Period Average Speed Average Bearing (m/sec) (true degrees) 0-4 021 4-9 000 9-23 006 0-23 008 At this time, we observed many bands of ice similar to those shown in Fig. 12-15. Figs. 12-2la and b show two aerial views of a band near the ship similar to the targeted band. The targets were in the band shown in Fig. 12-18, which was now about 15 km south of the ice edge. Fig. 12-22 shows a schematic drawing of the band and the target positions at 23 hours. The band was about 2 km wide at its widest part, and 8-10 km long. It was widest at the end toward the swell, and had a long, curving tail. Fig. 12-23 shows the way the band looked toward the tail; and Fig. 12-24 shows the way the head looked, sighting against the direction of swell propa- gation. Because of the action of the swell and the wind waves, this part of the band consisted of many small fragments of ice, pancake and larger, mostly. 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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