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Long term shoreline oscillation and changes of Cauvery delta coastline inferred from satellite imageries

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Abstract

Coastal zone is highly volatile ecosystem which is always in adjustments. Loss of shore line will cause severe impact on human life and as well as their properties. Remote sensing is a reliable technique to study the historical shoreline changes. Therefore in this paper long term shoreline oscillations of Cauvery delta shorelines at Poompuhar, Tharangambadi and Nagapattinam were studied using satellite imageries and the same was physically observed at the above three locations with the help of reference pillars and compared mutually. It was observed that the shoreline at Poompuhar is under accretion at the rate of 1.79m/ year and other shoreline stretches at Tharangambadi and Nagapattinam were under erosion at 0.4888m/ year and 0.4985m/ year respectively. It was also observed that the remote sensing study qualitatively matches with the physical observation for all the three coastal stretches of the study area.

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References

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Authors and Affiliations

  1. Department of Civil Engineering, Coimbatore Institute of Technology, Coimbatore, 641014, India

    R. Sathyanarayan Sridhar

  2. Department of Civil Engineering, PSG College of Technology, Coimbatore, 641004, India

    K. Elangovan

  3. Institute of Hydraulics and Hydrology, Poondi, 602 023, India

    P. K. Suresh

Authors
  1. R. Sathyanarayan Sridhar
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  2. K. Elangovan
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  3. P. K. Suresh
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Corresponding author

Correspondence to R. Sathyanarayan Sridhar.

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Sridhar, R.S., Elangovan, K. & Suresh, P.K. Long term shoreline oscillation and changes of Cauvery delta coastline inferred from satellite imageries. J Indian Soc Remote Sens 37, 79–88 (2009). https://doi.org/10.1007/s12524-009-0013-y

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  • DOI: https://doi.org/10.1007/s12524-009-0013-y

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