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Computation of diffusion coefficients for waters of Gauthami Godavari estuary using one-dimensional advection-diffusion model

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  • Salt Budget
  • Diffusion Coefficients


An analysis of salinity, salt budget and diffusion coefficients based on the salinity data of Gauthami Godavari Estuary, Andhra Pradesh, India for three different months (Nov.'95, Jan, 96, April '96) representing different seasons has been carried out. Diffusion coefficients vary quite randomly with distance between 90-4050 m²/s for consecutive months during Nov. '95-Jan. '96 and between 10-869 m²/s for Jan. '96-April '96 and are attributed to the river run-off. The undulations in diffusion coefficients reflect the topographic features. The estuarine salt budget shows an increase of salt content by 62% from Nov. '95-Jan. '96 and 32% from Jan. '96-April '96.

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