Abstract—A series of diffusion experiments using Dye study were performed in the coastal waters of Tamil Nadu by Indomer coastal hydraulics and the data were used and analysed to estimate horizontal mixing coefficients. The data of those studies are used to find out the dispersion coefficients and the oceanic diffusivity is reviewed. The volume of available data allows the effective dispersion coefficient to be estimated as a function of either time or space. Values for this dispersion coefficient vary between 0.60 ×106 and 10×108 m2/s. The estimated mixing coefficients are compared with those values obtained by earlier studies.
Index Terms—Coastal Waters, Dye, Diffusion coefficient, Horizontal diffusion, Rhoda mine-WT.
N. Ashok Kumar and Dr. V. Arutchelvan is with the Department of Civil Engineering, Annamalai University, Chidambaram, Tamil Nadu, India (e-mail: ashokviji2002@ yahoo.com; arul.au@gmail.com).
Dr. P. Chandra Mohan is with the INDOMER Coastal Hydraulics Chennai, Tamil Nadu, India.
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Cite: N. Ashok kumar, V. Arutchelvan, and P. Chandramohan, "Horizontal Diffusion in Shallow Coastal Waters of Tamil Nadu," International Journal of Engineering and Technology vol. 3, no. 6, pp. 634-637, 2011.
