The time and spatial variation of water quality in Tolo Harbour, a eutrophic landlocked semi-enclosed bay fre- Quented by algal blooms, is studied using a dynamic Eutrophication model. Hourly changes of tide levels and Currents are computed by a link-node model assuming M_2 Tidal forcing. Phytoplankton growth is assumed to be Limited by solar radiation, nitrogen and temperature. The Model incorporates light acclimation by algae, self-shad- Ing, photosynthetic production, nutrient uptake, and a Dynamic determination of the carbon to chlorophyll ratio.
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