Abstract—The water quality of Da Nang Bay (Viet Nam) is
one of the major issues on Da Nang City's coast. The discharge
of the Phu Loc (PL) channel will be inserted through the outlet
into Da Nang Bay. However, the PL channel receives many
sources of wastewater so the highly polluted channel water.
Therefore, the outlet of PL channel has become the
environmental hotspot of the Da Nang Sea. Mike 21 FM
Hydrodynamics module coupled with a water quality model
using Mike 21 FM ECOLab module is used to simulate water
quality and to identify the spreading of NH4+, which is used as a
pollutant tracer. Currently, the outlet of PL channel generates
the polluted area along the coast in different directions
depending on the current and the direction of the wind. This
study proposes three scenarios of designing the outlet far from
the coastline 400 m, 500 m, and 600 m, respectively. The finding
of this research demonstrates that the best way to discharge the
wastewater from PL channel would be the outlet to be moved
500 m away from the coastline. NH4+ concentration > 0.2 mg/l
will cover an area that distributes about 100 m around the
coastline. NH4+ concentration > 0.5 mg/l covers an area
approximately 0.03 km2.
Index Terms—Coast, Da Nang Bay, PL channel, MIKE 21 FM ECOLab.
Phuoc Quy An Nguyen, Ngoc Duong Vo, and Diep Ngoc Khoi Vo are with the University of Danang, University of Science and Technology, 54 Nguyen Luong Bang, Danang, Viet Nam (e-mail: firstname.lastname@example.org).
Philippe Gourbesville and Philippe Audra are with Polytech’Lab, Université Côte d’Azur, 930 route des Colles, 06410 Biot, France.
Cite: Phuoc Quy An Nguyen, Philippe Gourbesville, Philippe Audra, Ngoc Duong Vo, and Diep Ngoc Khoi Vo, "Optimization of Channel Outlet in the Coastal Area — Application to Da Nang Bay, Viet Nam," International Journal of Environmental Science and Development vol. 13, no. 6, pp. 246-250, 2022.
Copyright © 2022 by the authors. This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).