A Simple Bulk Model to Estimate Salinity Stratification of Permanently Open Choked Coastal Lagoons in Sri Lanka

Perera, Gonzalo; Furusato, Eiichi; Priyadarshana, Tilak

doi:10.2208/jscejhe.71.i_25

Cited by 1 publication

(1 citation statement)

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“…Low salinity in lagoon water could result in ammonia toxicity in lagoon water, which could lead to eutrophication (Valencia-Castañeda, Frías-Espericueta, Vanegas-Pérez, Chávez-Sánchez, & Páez-Osuna, 2019). Along with temperature, salinity is a key determinant of the productivity of organisms in lagoons, and variations in salinity have affected the breeding rates of aquatic fishes (Lawson, 2011;Perera & Priyadarshana, 2015). The salinity of lagoon water mainly depends on two factors, namely rainfall and proximity to the sea.…”

Section: Total Suspended Solids (Tss)mentioning

confidence: 99%

A Concise Study on Essential Parameters for the Sustainability of Lagoon Waters in Terms of Scientific Literature

Kader¹,

Raimi²,

Spalević³

et al. 2023

Preprint

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Lagoons are becoming sporadically utilised albeit they are equipped with high potential for the outsourcing of environmental and industrial benefits. It leads to the endangered pollution of lagoon water aquatic system. The prime reason is the lack of knowledge among stakeholders and researchers regarding the influential parameters in establishing the lagoon water quality. The optimal quality for lagoon water is critical for the longevity of aquatic ecosystem. This study focuses on using bibliographic references to find the most influential factors determining the water quality in lagoons for deriving a comprehensive long-term water quality monitoring plan to ensure the sustainability of the lagoon water ecosystem. The lagoon water quality was classified in this study into biological, physical, and chemical parameters and studied for their importance upon enhancing the water quality. Experiments were conducted on selected parameters using the water samples from the selected Sri Lankan lagoons with available facilities to observe the water quality. The overall findings on physiochemical and biological characteristics using the experiments temperature, turbidity, pH, salinity, DO, BOD, COD, phosphates, nitrates, ammonia content and faecal coliforms in water specimens suggest that the selected Sri Lankan lagoons are heavily polluted due to their distinctive variations from the allowable threshold limits specified in the literature sources. To increase such increased risks associated with lagoon water systems, a long-term monitoring strategy is recommended to be incorporated at lagoon waters in order to assure their sustainability.

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Section: Total Suspended Solids (Tss)mentioning

confidence: 99%