Artificial upwelling induced by ocean currents —Theory and experiment |
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Authors: | CT Hsieh PA Huang DJ Li LL Chu CL Wu NT Liang |
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Institution: | Institute of Oceanography, National Taiwan University, Taipei, Taiwan, Republic of China;Institute of Physics, Academia Sinica, Nankang, Taipei, Taiwan, Republic of China |
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Abstract: | A submerged apparatus, which consists of a buoy, several horizontal contraction and expansion tubes (Venturi-type tubes) and a long pipe, is expected to be used to pump the subsurface sea-water (200–300 meter depth) containing abundant nutrients to surface layer (50–100 m) by the dynamic of ocean currents. i.e. an artificial upwelling without energy cost. A preliminary experiment and analysis are undertaken and shows that the capacity of pumping the nutrient-rich sea-water is worth to build a pilot prototype model. |
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