Downwelling is the process of accumulation and sinking of higher density material beneath lower density material, such as cold or saline water beneath warmer or fresher water or cold air beneath warm air. It is the sinking limb of a convection cell. Upwelling is the opposite process and together these two forces are responsible in the oceans for t...
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http://en.wikipedia.org/wiki/Downwelling
A downward movement (sinking) of surface water caused by onshore Ekman transport, converging currents or when a water mass becomes more dense than the surrounding water.
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(from the article `ocean`) ...per second. A characteristic surface speed is about 5 to 50 centimetres per second. Currents diminish in intensity with increasing depth. Vertical ... ...the wind varies from place to place, so does the Ekman transport, forming convergence and divergence zones of surface water. A region of ... [2 related...
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http://www.britannica.com/eb/a-z/d/71
A downward movement (sinking) of surface water caused by onshore Ekman transport, converging currents or when a water mass becomes more dense than the surrounding water.
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A downward movement (sinking) of surface water caused by onshore Ekman transport, converging CURRENTS or when a water mass becomes more dense than the surrounding water.
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https://www.encyclo.co.uk/local/20127
The process of accumulation and sinking of warm surface waters along a coastline. A change of air flow of the atmosphere can result in the sinking or downwelling of warm surface water. The resulting reduced nutrient supply near the surface affects the ocean productivity and meteorological conditions of the coastal regions in the downwelling area.
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a downward current of surface water in the ocean, usually caused by differences in the density of seawater.
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https://www.infoplease.com/dictionary/downwelling
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