The transition zone between the oceanic and shelf regimes around Antarctica /

a salinity criterion corresponding to the base of the

Bibliographic Details
Main Author: Kim, Seong-Joong, 1965-
Format: Thesis eBook
Language:English
Published: [Place of publication not identified] : [publisher not identified] ; 1995.
Subjects:
Online Access:Link to OAKTrust copy
Description
Summary:a salinity criterion corresponding to the base of the
and is 34.40 on average. Antarctic Surface Water has
Antarctica are examined and their spatial distributions are
at the Antarctic continental slope, the water masses near
Bellingshausen-Amundsen sector (between 63' and 155'W) along
break between Shelf Water and Antarctic Slope Front Water.
Circumpolar Deep Water and Antarctic Slope Front Water, and
Circumpolar Deep Water with low-salinity Shelf Water, is
defined as water over the Antarctic shelf regime with
described. Antarctic Surface Water over the Antarctic shelf
diapycnal mixing of low-salinity Antarctic Slope Front Water
distinguished from high-salinity Shelf Water by the maximum
Front Water, produced by isopycnal mixing of Lower
greater than the maximum density of Lower Circumpolar Deep
High-salinity Antarctic Slope Front Water, produced by
is found wherever Antarctic Slope Front Water exists. To
isopleths, shallow and deep references are required for the
kg m-3). Antarctic Slope Front Water is characterized by
observed everywhere around Antarctica except in the
obtain westward geostrophic flows associated with the V-shape
potential density of Lower Circumpolar Deep Water ([] = 27.87
potential temperature between -1.7'C and about 0.2'C, and
potential temperature minimum layer of Antarctic Surface
referred to as low-salinity Antarctic Slope Front Water.
regime is distinguished from underlying other water masses by
salinities less than the cut-off salinity. Shelf Water is
salinity greater than the cut-off salinity and potential
salinity greater than the cut-off salinity. Antarctic Slope
shelf regime and the oceanic regime, respectively.
temperature less than -1.7'C. Low-salinity Shelf Water is
the Antarctic continental slope. The presence of different
The former is referred to as the Antarctic Slope Front, which
the other (sloping down toward the north) over the shelf
To better understand and describe the Antarctic Slope Front
toward Antarctica) over the continental slope between Lower
V-shaped double meridional gradients: one (sloping down
varies with space and time from approximately 34.35 to 34.45,
Water (go = 27.87 kg m-1). Antarctic Slope Front Water is
Water in the neighboring oceanic regime. This salinity
water masses over the Antarctic continental margin produces
with high-salinity Shelf Water, is observed with densities
Item Description:"Major subject: Oceanography".
Vita.
Physical Description:xii, 70 leaves : illustrations, maps ; 28 cm.
Also available online.
Issued also on microfiche from Lange Micrographics.
Bibliography:Includes bibliographical references.