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T-S diagram of a station in the North Pacific. In oceanography, temperature-salinity diagrams, sometimes called T-S diagrams, are used to identify water masses.In a T-S diagram, rather than plotting each water property as a separate "profile," with pressure or depth as the vertical coordinate, potential temperature (on the vertical axis) is plotted versus salinity (on the horizontal axis).
In the diagram pictured at the top, it categorises a water mass by the temperature and salinity of the water and is represented by a single point. However, water masses are not constant. Throughout time climates can change, seasons can drag out, or there could be less rainfall meaning that the water masses might change in temperature or salinity.
Effect of temperature and salinity upon sea water density maximum and sea water freezing temperature. It has long been known that wind can drive ocean currents, but only at the surface. [12] In the 19th century, some oceanographers suggested that the convection of heat could drive deeper currents.
An ocean current is a continuous, directed movement of seawater generated by a number of forces acting upon the water, including wind, the Coriolis effect, breaking waves, cabbeling, and temperature and salinity differences. [1] Depth contours, shoreline configurations, and interactions with other currents influence a current's direction and ...
Typically, warm freshwater is less dense than cold salty water, thus the colder water will sink below the warmer water. Isopycnals are used to display this vertical distribution of the water. Variations in temperature and salinity along isopycnals can be described with spiciness. This creates distinguishable layers of water with differing ...
The salinity, along with temperature and pressure, determines the density of the water. Higher salinity and cooler water results in a higher water density (see also spiciness of ocean water). Since differences in water density drive large-scale ocean circulation, freshwater fluxes are most important for ocean circulation patterns like the ...
The difference is that the density increases with depth, whereas the salinity and temperature decrease with depth. The halo-, thermo-, and pycnocline at 10E, 30S. For this image the annual means of the year 2000 from the GODAS Data [4] has been used. In the ocean, a specific range of temperature and salinity occurs.
The salinity of CDW is 34.62 to 34.73 ‰. [1] Because CDW is a mix of other water masses, its temperature-salinity (TS) profile is the point where the TS lines of the other water masses converge. TS diagrams refer to temperature and salinity profiles, which are one of the major ways water masses are distinguished from each other.