alexa Effect of atmospheric forcing on plume dispersion and study of nuclear effluent trajectories for the kalpakkam coast, India
Environmental Sciences

Environmental Sciences

International Journal of Waste Resources

Author(s): Sasmal K, Bonthu S, Maity S, Warrior H

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The air–sea interaction process and its implication at the outfall location of a nuclear power plant have been studied using the Princeton ocean model (POM) under varied environmental forcing parameters (momentum and heat fluxes). In the first set of numerical experiments, constant momentum flux is used with reversing wind speeds of 2 and 10  ms−110  ms−1 respectively. It is observed that with an increase in wind speed, the plume exhibited a narrow directional spread unlike that for low winds. Incorporation of constant heat flux and momentum flux showed marginal difference in the computed sea surface temperature (SST) at the outfall location. In the second set of experiments, variable momentum and heat fluxes were introduced that led to significant variations in SST, salinity, and circulation patterns. A net variation of approximately 2–3°C in SST has been recorded at the outfall location. Finally, the POM and the particle-trajectory tracking model (PTTM) have been integrated to trace the nuclear effluents. The resultant particle trajectories indicate that they follow the general ocean circulation pattern. It is inferred from the present study, that to obtain realistic estimates of plume dispersion characteristics, associated SST and nuclear effluent trajectories, incorporation of variable heat, and momentum flux are essential prerequisites in ocean modeling studies.

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This article was published in Journal of Hazardous, Toxic, and Radioactive Waste and referenced in International Journal of Waste Resources

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