Journal Title
Title of Journal: J Ocean Univ China
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Abbravation: Journal of Ocean University of China
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Authors: Xinyan Mao Wensheng Jiang Ping Zhang Shizuo Feng
Publish Date: 2016/05/07
Volume: 15, Issue: 3, Pages: 379-388
Abstract
Intertidal subtidal transport processes in coastal sea depend on the residual motion turbulent dispersion and relevant sources/sinks In Feng et al 2008 an updated Lagrangian intertidal transport equation as well as new concept of Lagrangian intertidal concentration LIC has been proposed for a general nonlinear shallow water system In the present study the LIC is numerically applied for the first time to passive tracers in idealized settings and salinity in the Bohai Sea China Circulation and tracer motion in the three idealized model seas with different topography or coastline termed as ‘flatbottom’ ‘stairs’ and ‘cape’ case respectively are simulated The dependence of the LIC on initial tidal phase suggests that the nonlinearities in the stairs and cape cases are stronger than that in the flatbottom case Therefore the ‘flatbottom’ case still meets the convectively weakly nonlinear condition For the Bohai Sea the simulation results show that most parts of it still meet the weakly nonlinear condition However the dependence of the LIS Lagrangian intertidal salinity on initial tidal phase is significant around the southern headland of the Liaodong Peninsula and near the mouth of the Yellow River The nonlinearity in the former region is mainly related to the complicated coastlines and that in the latter region is due to the presence of the estuarine salinity front
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