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A THREE-DIMENSIONAL THERMOCLINE MODEL FOR THE YELLOW SEA AND NORTHERN EAST CHINA SEA
作者姓名:彭马川  张法高  焦志新
作者单位:PENG Ma-chuan ZHANG Fa-gao(Institute of Oceanology,Chinese Academy of Sciences,Qingdao 266071)JIAO Zhi-xin(China Meteorology Administration,Beijing,100002)
基金项目:This work was supported by the NSFC.
摘    要:A time-dependent, three-dimensional finite difference model is presented for simulating the stratifiedYellow Sea and northem East China Sea. The mode is forced by time-dependent observed wind, surfaceflux of heat, and tidal turbulence. With this model, momentum and temperature distribution can be computed,and an approximation for the sub-grid scale effects is introduced by the use of mass and momentumexchange coefficients. The vertical exchanges are quite dependent on these assumed coefficents, whichare complicated functions of the turbulence energy of tide and wind, of the stratified strength and otherfactors. This model was applied to describe the mechanics of the variations in strength and thickness ofthe thermocline covering almost the whole Yellow Sea and northern East Chna Sea in summer. Comparisonsof the computed output with obtained survey data led to some important conclusions.

收稿时间:15 January 1995
修稿时间:8 January 1996

A three-dimensional thermocline model for the Yellow Sea and Northern East China Sea
Peng Ma-chuan,Zhang Fa-gao,Jiao Zhi-xin.A THREE-DIMENSIONAL THERMOCLINE MODEL FOR THE YELLOW SEA AND NORTHERN EAST CHINA SEA[J].Chinese Journal of Oceanology and Limnology,1996,14(3):243-249.
Authors:Peng Ma-chuan  Zhang Fa-gao  Jiao Zhi-xin
Institution:(1) Institute of Oceanology, Chinese Academy of Sciences, 266071 Qingdao;(2) China Meteorology Adiministration, 100002 Beijing
Abstract:A time-dependent, three-dimensional finite difference model is presented for simulating the stratified Yellow Sea and northern East China Sea. The model is forced by time-dependent observed wind, surface flux of heat, and tidal turbulence. With this model, momentum and temperature distribution can be computed, and an approximation for the sub-grid scale effects is introduced by the use of mass and momentum exchange coefficients. The vertical exchanges are quite dependent on these assumed coefficients, which are complicated functions of the turbulence energy of tide and wind, of the stratified strength and other factore. This model was applied to describe the mechanics of the variations in strength and thickness of the thermocline covering almost the whole Yellow Sea and northern East China Sea in summer. Comparisons of the computed output with obtained survey data led to some important conclusions.
Keywords:thermocline  numerical model  East China Sea
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