An unsteady three-dimensional eutrophication model in Tolo harbour, Hong Kong

Kwok Wing Chau

Research output: Journal article publicationJournal articleAcademic researchpeer-review

15 Citations (Scopus)


The eutrophication phenomenon often leads to undesirable water quality. This paper delineates an unsteady three-dimensional finite difference numerical model for eutrophication dynamics in the coastal waters of Tolo harbour, Hong Kong, employing the numerically generated, boundary-fitted, orthogonal curvilinear grid system as well as a grid "block" technique. It models the transport and interaction of nine water quality constituents. Adjustments of values of some kinetic coefficients in the model are effected through calibration with field data. It is demonstrated that the model can reasonably reproduce the interactions amongst all the water quality constituents, the eutrophication processes and, in particular, the featured bottom water anoxic condition during the summer in Tolo harbour.
Original languageEnglish
Pages (from-to)1078-1084
Number of pages7
JournalMarine Pollution Bulletin
Issue number8-12
Publication statusPublished - 21 Nov 2005


  • Eutrophication
  • Hydrodynamic modeling
  • Tolo harbour
  • Unsteady modeling
  • Water quality modeling

ASJC Scopus subject areas

  • Oceanography
  • Aquatic Science
  • Pollution


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