. Bulletin - United States National Museum. Science. 104 NATIONAL MUSEUM BULLETIN 291 63 61 59 . 57 . 55 . 53 500 1500 2500. Figure 21.—Vertical section, 25°W, 55°-63°S; temperature °C, oxygen concentration nil/L. Capture points of Bathyteuthis abyssicola. The salinity section (fig. 22) in general shows low salinities through- out the region. The isohaline extends as a thin tongue to about 60°30'S at 600 m; at 57°S it is located between 650 and 1050 m and encloses a thin tongue of high salinity water of 34,73%o-3-l:.74%o. Below 1100 m at 57°S and at all depths south of 61 °S the s
. Bulletin - United States National Museum. Science. 104 NATIONAL MUSEUM BULLETIN 291 63 61 59 . 57 . 55 . 53 500 1500 2500. Figure 21.—Vertical section, 25°W, 55°-63°S; temperature °C, oxygen concentration nil/L. Capture points of Bathyteuthis abyssicola. The salinity section (fig. 22) in general shows low salinities through- out the region. The isohaline extends as a thin tongue to about 60°30'S at 600 m; at 57°S it is located between 650 and 1050 m and encloses a thin tongue of high salinity water of 34,73%o-3-l:.74%o. Below 1100 m at 57°S and at all depths south of 61 °S the salinity is below ; the deeper w^ater is Antarctic Bottom Water of about which flows northward and eastward into the major oceans. The density is uniformly high below the Surface Water and increases rapidly from sigma-t = to (fig. 22) ; below 750-1000 m and in the south the density is very high, above , due to the extremely cold water. Oxygen concentrations are quite high along the entire section (fig. 21) ; minimum values south of the convergence range from ml/L to ml/L. The layer of minimum oxygen in the south is from 300 to. 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 United States National Museum; Smithsonian Institution; United States. Dept. of the Interior. Washington : Smithsonian Institution Press, [etc. ]; for sale by the Supt. of Docs. , U. S. Govt Print. Off.
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