A Dataset of Environmental Toxins for Water Monitoring in Coastal Waters of Southern Centre, Vietnam: Case of Nha Trang Bay

Hoang Xuan Ben, Tran Cong Thinh and Phan Minh-Thu ()
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Hoang Xuan Ben: Institute of Oceanography, Vietnam Academy of Science and Technology, Nha Trang 650000, Vietnam
Tran Cong Thinh: Institute of Oceanography, Vietnam Academy of Science and Technology, Nha Trang 650000, Vietnam
Phan Minh-Thu: Institute of Oceanography, Vietnam Academy of Science and Technology, Nha Trang 650000, Vietnam

Data, 2025, vol. 10, issue 10, 1-12

Abstract: This study presents a comprehensive dataset developed to monitor coastal water quality in the south-central region of Vietnam, focusing on Nha Trang Bay. Environmental data were collected from four research cruises conducted between 2013 and 2024. Water samples were taken at two depths: surface samples at approximately 0.5–1.0 m below the water surface, and bottom samples 1.0 to 2.0 m above the seabed, depending on site-specific bathymetry. These samples were analyzed for key water quality parameters, including biological oxygen demand (BOD 5 ), dissolved inorganic nitrogen (DIN), dissolved inorganic phosphorus (DIP), and Chlorophyll-a (Chl-a). The data establish a valuable baseline for assessing both spatial and temporal patterns of water quality, and for calculating eutrophication index to evaluate potential environmental degradation. Importantly, it also demonstrates practical applications for environmental management. The dataset can support assessments of how seasonal tourism peaks contribute to nutrient enrichment, how aquaculture expansion affects dissolved oxygen dynamics, and how water quality trends evolve under increasing anthropogenic pressure. These applications make it a useful resource for evaluating pollution control efforts and for guiding sustainable development in coastal areas. By promoting open access, the dataset not only supports scientific research but also strengthens evidence-based management strategies to protect ecosystem health and socio-economic resilience in Nha Trang Bay.

Keywords: environmental toxins; water quality; eutrophication; monitoring (search for similar items in EconPapers)
JEL-codes: C8 C80 C81 C82 C83 (search for similar items in EconPapers)
Date: 2025
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