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Sea water air conditioning. Sea water air conditioning (SWAC), also known as ocean water cooling, is an alternative cooling system that uses the deep cold seawater as the chilling agent for a closed-loop fresh water distributed cooling system. It is one type of deep water source cooling. Once installed, SWAC systems typically operate at ...
Deep water source cooling (DWSC) or deep water air cooling is a form of air cooling for process and comfort space cooling which uses a large body of naturally cold water as a heat sink. It uses water at 4 to 10 degrees Celsius drawn from deep areas within lakes, oceans, aquifers or rivers, which is pumped through the one side of a heat exchanger .
The water can be used in chilled-water coils to provide air conditioning for buildings. It is estimated that a pipe 1 foot (0.30 m) in diameter can deliver 4,700 gallons of water per minute. Water at 43 °F (6 °C) could provide more than enough air conditioning for a large building.
Water temperatures in the central Pacific Ocean have been holding steady near long-term average levels during the past month instead of exhibiting much of any cooling trend that would be expected ...
Atmospheric circulation. Atmospheric circulation is the large-scale movement of air and together with ocean circulation is the means by which thermal energy is redistributed on the surface of the Earth. The Earth's atmospheric circulation varies from year to year, but the large-scale structure of its circulation remains fairly constant.
Warmer water cannot contain the same amount of oxygen as cold water. As a result, oxygen from the oceans moves to the atmosphere. Increased thermal stratification may reduce the supply of oxygen from surface waters to deeper waters. This lowers the water's oxygen content even more. [8] The ocean has already lost oxygen throughout its water column.
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