Tangdong, Q., Dunxin, H. Upwelling and sedimentation dynamics., Chin. J. Ocean. Limnol. 11, 289–295 (1993). https://doi.org/10.1007/BF02850633
DOI:
Tangdong, Q., Dunxin, H. Upwelling and sedimentation dynamics., Chin. J. Ocean. Limnol. 11, 289–295 (1993). https://doi.org/10.1007/BF02850633DOI:
Upwelling and sedimentation dynamics
摘要
Abstract
It was found that the location and distributional pattern of certain sea bottom mud patches in the Yellow Sea and East China Sea are identical with the geographical location and flow pattern of the upwelling above. Following a general description by Hu (1984) of the role of upwelling in sedimentation
this study presents a two—dimensional numerical model to further examine the sedimentation dynamics in upwelling areas. The model shows that advection by ocean circulation
downward settling due to gravity and turbulent mixing are the main mechanisms controlling the movement of suspended matters
and that the upwelling on the shelf favors deposition near the bottom. It is concluded that on the shelf (1) wherever there is upwelling
mud sediment must exist; and (2) the closer to the center of upwelling
the greater the concentration of suspended matters in the water
the greater the depositing rate near the bottom and the finer the sediment on the sea bed.
关键词
Keywords
references
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