Monsoon effects on the residence time of a coastal lagoon in southwestern Taiwan

Hung Jen Lee*, Pei Jie Meng, Chung Chi Chen, Kwee Siong Tew


研究成果: 雜誌貢獻期刊論文同行評審

4 引文 斯高帕斯(Scopus)


A three-dimensional, high-resolution numerical model with tide-generating and wind forces was used to simulate a passive tracer to study the water mass flushing rate in a coastal lagoon— Tapeng Bay. Model results show that north–northwesterly monsoons in winter can suppress ebb tidal currents flowing northwestward and concurrently suppress lagoon water exchanges with open shelf water, leading to a poor flushing rate. By contrast, both the westerly and southeasterly prevailing wind conditions in summer allowed lagoon water to mix, producing long-distance motion in the form of tidal residual currents from the southeast toward the northwest of the bay. This wind stress disturbance induced a horizontal mixing of the longitudinal lagoon water and led to greater water mass exchanges between Tapeng Bay and the open shelf. Therefore, tide-generating forces and suitable monsoons crucially influence the residence time of water mass in coastal lagoons.

期刊Estuarine, Coastal and Shelf Science
出版狀態已發佈 - 2020 2月 5

ASJC Scopus subject areas

  • 海洋學
  • 海洋科學


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