Cruise observation and numerical modeling of turbulent mixing in the Pearl River estuary in summer
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摘要The turbulent mixing in the Pearl River estuary and plume area is analyzed by using cruise data and simulation results of the Regional Ocean Model System (ROMS). The cruise observations reveal that strong mixing appeared in the bottom layer on larger ebb in the estuary. Modeling simulations are consistent with the observation results, and suggest that inside the estuary and in the near-shore water, the mixing is stronger on ebb than on flood. The mixing generation mechanism analysis based on modeling data reveals that bottom stress is responsible for the generation of turbulence in the estuary, for the re-circulating plume area, internal shear instability plays an important role in the mixing, and wind may induce the surface mixing in the plume far-field. The estuary mixing is controlled by the tidal strength, and in the re-circulating plume bulge, the wind stirring may reinforce the internal shear instability mixing. (C) 2016 Elsevier Ltd. All rights reserved.
著者Pan JY, Gu YZ
期刊名稱Continental Shelf Research
出版年份2016
月份6
日期1
卷號120
出版社PERGAMON-ELSEVIER SCIENCE LTD
頁次122 - 138
國際標準期刊號0278-4343
電子國際標準期刊號1873-6955
語言英式英語
關鍵詞Pearl River estuary and plume; ROMS modeling; Turbulent mixing
Web of Science 學科類別Oceanography

上次更新時間 2020-08-08 於 02:44