. British Antarctic expedition, 1907-9, under the command of Shackleton : reports on the scientific investigations ; geology. Fig. 5. ESKERS OF BLUE LAKE, CAPE ROYDS Showing adjacent ice slope formed out of snow-drift by a processof secondary crystallization [Photo by T. W. E. David Fig. G. coast LAKE, LOOKING SOUTH-EASTERLY The bottom of this lake is covered with algal peat [To face p. 156 LAKES AT CAPE ROYDS 157 4 inches 14 21 28 35 42 49 56 63 66 74 80 90 96 02 Surface temperatui-e on April 1Water, 1 foot from bottoni th was April 15th. April IGtb. -6°F. -2° F. 0°F. + 2-75° F. ... + 5-
. British Antarctic expedition, 1907-9, under the command of Shackleton : reports on the scientific investigations ; geology. Fig. 5. ESKERS OF BLUE LAKE, CAPE ROYDS Showing adjacent ice slope formed out of snow-drift by a processof secondary crystallization [Photo by T. W. E. David Fig. G. coast LAKE, LOOKING SOUTH-EASTERLY The bottom of this lake is covered with algal peat [To face p. 156 LAKES AT CAPE ROYDS 157 4 inches 14 21 28 35 42 49 56 63 66 74 80 90 96 02 Surface temperatui-e on April 1Water, 1 foot from bottoni th was April 15th. April IGtb. -6°F. -2° F. 0°F. + 2-75° F. ... + 5-7° F. + 8-0° F. ... + 10-8° F. + 13-56° F. ... + 160° F. ... + 15-8° F. + 17-7° F + 20° F. + 22-5° F + 25-7° F + 28-8° F -12° F. + 35° F. Below the ice at this point there was 4 feet of water, the lake here being only13 feet deep. The layer of ice from 2 feet down to 5 feet was quite fresh, but thattested both from above and below these levels was slightly brackish. There is muchless alga in this lake than in Green Lake and Coast Lake, and both water and iceare appreciably purer, although there is even her
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Keywords: ., boo, bookcentury1900, booksubjectgeology, booksubjectpaleontology
