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Sverdrup
The sverdrup, named in honour of the pioneering oceanographer Harald Sverdrup, is a unit of measure of volume transport. It is used almost exclusively in oceanography, to measure the volumetric rate of transport of ocean currents. Its symbol is Sv. Note that the sverdrup is ''not'' an SI unit, and that its symbol conflicts with the sievert's symbol. It is equivalent to .〔http://oceancurrents.rsmas.miami.edu/glossary.html - The National Oceanographic Partnership Program's Ocean Surface Currents website - See entry on Sverdrup〕〔(Ecoworld: "Sverdrups & Brine" )〕 The entire global input of fresh water from rivers to the ocean is equal to about 1.2 sverdrup.〔("Lagerloef, G., Schmitt, R., Schanze, J. Kao, H-Y, 2010, The Ocean and the Global Water Cycle, Oceanography, Vol.23, No.4" )〕
The water transport in the Gulf Stream gradually increases from 30 Sv in the Florida Current to a maximum of 150 Sv south of Newfoundland at 55°W longitude.〔(Joanna Gyory, Arthur J. Mariano, Edward H. Ryan: "The Gulf Stream" )〕 The heat carried within this volume equals roughly that transported through the atmosphere to make the relatively milder climate of north-western Europe.
The Antarctic Circumpolar Current, at approximately 125 Sverdrups, is the largest ocean current.〔(Surface Currents in the Southern Ocean )〕
==References==
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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