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Undercurrent is a flow of water below the surface: In an ocean, a subsurface current , a water current which flows beneath and usually independently of surface currents. In a river, a subsurface current (see whitewater )
A subsurface ocean current is an oceanic current that runs beneath surface currents. [1] Examples include the Equatorial Undercurrents of the Pacific, Atlantic, and Indian Oceans, the California Undercurrent, [2] and the Agulhas Undercurrent, [3] the deep thermohaline circulation in the Atlantic, and bottom gravity currents near Antarctica.
Sketch from: Buhr Hansen & Svendsen (1984); MWS = mean water surface. In physical oceanography , undertow is the undercurrent that moves offshore while waves approach the shore. Undertow is a natural and universal feature for almost any large body of water ; it is a return flow compensating for the onshore-directed average transport of water by ...
The "Bakun upwelling index" is based on a 20-year average of the monthly mean Ekman transport for different regions off the California coast since the 1970s. It ranges from 300 meters-cubed/second (in the offshore direction) to −212 meters-cubed/second (toward the coast, or onshore direction).
To balance this, the local mean surface level drops. This is known as the setdown. When the wave breaks and starts reducing in height, the radiation stress decreases as the amount of water that is elevated decreases. When this happens, the mean surface level increases — this is known as the setup.
Now, the soup is a culinary star from upscale cafes to rural kitchens, the definition of down-home comfort food. ... tender Portuguese chouriço sausage adds an undercurrent of smoky, salty flavor ...
The Cromwell Current (also called Pacific Equatorial Undercurrent or just Equatorial Undercurrent) is an eastward-flowing subsurface current that extends the length of the equator in the Pacific Ocean.
From Nicole Kidman’s erotic thriller “Babygirl,” to a book of sexual fantasies edited by Gillian Anderson, this was the year the female sex drive took the wheel in popular culture.