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Modelación de transporte de nutrientes para el análisis del estado trófico de la Ciénaga de Betancí
(2021-01-18) García Gallego, Jesús Miguel; Salcedo Salgado, Javier; Torres Bejarano, Franklin Manuel
nitrogen, total phosphorus, ammonia nitrogen, nitrates, nitrites, phosphates, chlorophyll-a, dissolved oxygen, BOD, COD, suspended solids and water transparency during the dry and rainy seasons; Trophic state indices were evaluated in which the change of mesotrophic state was evidenced in dry season to moderately eutrophic and hypereutrophic in wet season. The hydrodynamic and water quality model MOHID Studio 2016® was implemented, which was calibrated and validated, achieving an adequate adjustment of the calculated data in relation to those measured, which allowed simulating scenarios of increase and decrease of nutrients and incoming flows to the swamp through its main tributaries. The results show that, with the exception of phosphorus, variations in the concentration of total nitrogen and increases in flows present short-term consequences on the trophic state of the swamp, especially in the southeastern area where the tributaries with the highest contribution are found and are they carry out agricultural activities with greater intensity.