wikipedia net apie zigulius nesamoniu priraso... o cia ble okeanas!

n 2011.03.27 22:25, Yvl wrote:
> http://en.wikipedia.org/wiki/Arctic_Ocean#Salinity_and_temperature
>
> In large parts of the Arctic Ocean, the top layer (about 50 m) is of lower
> salinity and lower temperature than the rest. It remains relatively stable,
> because the salinity effect on density is bigger than the temperature
> effect. It is fed by the freshwater input of the big Siberian and Canadian
> streams (Ob, Yenissey, Lena, MacKenzie), the water of which quasi floats on
> the saltier, denser, deeper ocean water. Between this lower salinity layer
> and the bulk of the ocean lies the so called halocline, in which both
> salinity and temperature are rising with increasing depth. Any convection
> eddies caused by the temperature difference between the cold ocean surface
> and the warmer depth stop at this thermocline, leaving only heat conduction
> as upward heat transport mechanism, which is orders of magnitude smaller.
> Without this insulation effect, there would be much less Arctic sea ice. The
> salinity and temperature pattern of the Arctic Ocean can be quite complex,
> being dependent on the different flows into and out of the Arctic region
>
>