Search Results
You are looking at 1 - 3 of 3 items for
- Author or Editor: T. H. Kinder x
- Refine by Access: All Content x
Abstract
Examination of hydrographic data obtained over a large submarine canyon revealed a cell with a core of high salinity water nestled in the outer (deeper) reaches of the canyon. Bemuse of the T-S distribution within the cell and the current that parallels the continental slope adjacent to the canyon, we suggest that the cell is similar to the current rings which have been observed elsewhere.
Abstract
Examination of hydrographic data obtained over a large submarine canyon revealed a cell with a core of high salinity water nestled in the outer (deeper) reaches of the canyon. Bemuse of the T-S distribution within the cell and the current that parallels the continental slope adjacent to the canyon, we suggest that the cell is similar to the current rings which have been observed elsewhere.
Abstract
The Bering Slope Current flows from southeast to northwest across the Aleutian Basin of the Bering Sea, parallel to the continental slope of the eastern Bering Sea shelf. The water mass characteristics and distributions and the flow field were investigated in August 1972 during T.G. Thompson Cruise 071.
Water mass analysis revealed a southeast-flowing countercurrent bounded by two northwest-flowing bands. The countercurrent was clearly delineated by analyses of a temperature-minimum layer between ∼50–300 m and a temperature-maximum layer between ∼300–800 m. The description of the current as comprised of three bands was supported by parachute drogue measurements and geostrophic calculations along six STD sections normal to the slope.
The dynamic topographies showed an alternative description of the current as a system of eddies, and an interpretation based on incident and reflected planetary waves with a period of one year is presented. The generating mechanism may be related to the strong annual variation in Bering Sea weather.
Abstract
The Bering Slope Current flows from southeast to northwest across the Aleutian Basin of the Bering Sea, parallel to the continental slope of the eastern Bering Sea shelf. The water mass characteristics and distributions and the flow field were investigated in August 1972 during T.G. Thompson Cruise 071.
Water mass analysis revealed a southeast-flowing countercurrent bounded by two northwest-flowing bands. The countercurrent was clearly delineated by analyses of a temperature-minimum layer between ∼50–300 m and a temperature-maximum layer between ∼300–800 m. The description of the current as comprised of three bands was supported by parachute drogue measurements and geostrophic calculations along six STD sections normal to the slope.
The dynamic topographies showed an alternative description of the current as a system of eddies, and an interpretation based on incident and reflected planetary waves with a period of one year is presented. The generating mechanism may be related to the strong annual variation in Bering Sea weather.
Abstract
Conductivity and temperature versus depth (CTD) and expendable bathythermograph (XBT) data taken during the ice-free seasons of 1975–77 define a structural front paralleling the 50 m isobath. This front forms a narrow transition separating a well-mixed coastal domain from a two-layered central shelf domain. In early spring, prior to frontogenesis, we believe that temperature and salinity are continuous across the 50 m isobath. Thus, the front does not result from the confluence of water masses; rather the front permits the evolution of different water masses following frontogenesis. The changing balance between buoyant energy input and tidal stirring determines the frontal location and the frontal width correlates with bottom slope. The front is similar to those reported around the British Isles, but we find that in the Bering Sea the salinity distribution is important, that the ice cover influences the seasonal evolution of the hydrographic structure, and that the geostrophic (baroclinic) speed differences across the front are small (<2 cm s−1). We hypothesize that frontogenesis depends critically on positive feedback between stratification and mixing.
Abstract
Conductivity and temperature versus depth (CTD) and expendable bathythermograph (XBT) data taken during the ice-free seasons of 1975–77 define a structural front paralleling the 50 m isobath. This front forms a narrow transition separating a well-mixed coastal domain from a two-layered central shelf domain. In early spring, prior to frontogenesis, we believe that temperature and salinity are continuous across the 50 m isobath. Thus, the front does not result from the confluence of water masses; rather the front permits the evolution of different water masses following frontogenesis. The changing balance between buoyant energy input and tidal stirring determines the frontal location and the frontal width correlates with bottom slope. The front is similar to those reported around the British Isles, but we find that in the Bering Sea the salinity distribution is important, that the ice cover influences the seasonal evolution of the hydrographic structure, and that the geostrophic (baroclinic) speed differences across the front are small (<2 cm s−1). We hypothesize that frontogenesis depends critically on positive feedback between stratification and mixing.
