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Significance of Dar-Zarrouk parameters in the exploration of quality affected coastal aquifer systems

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Environmental Geology

Abstract

The interpreted Earth subsurface resistivity layer parameters of 55 vertical geoelectrical soundings are analyzed over a fan shaped area of 1,700 km2 from Pipli-Astrang-Bhramgiri, Orissa, India. In this study, Dar-Zarrouk (D-Z) parameters, namely the longitudinal conductance (S), transverse resistance (T) and longitudinal resistivity (R s ) are analyzed and we encountered the resistivity regime of the clay layers, saline and fresh water bearing formations. The significance of these parameters in establishing an easily decipherable vision about the occurrence and distribution of fresh and saline water aquifers, while dealing with complicated situations of intermixing of the resistivity ranges of saline and fresh water aquifers has been illustrated. The results show that the Dar-Zarrouk (D-Z) parameters provide a useful and confident solution in delineating the saline and fresh water aquifers. The behavior of the D-Z parameters S, T and R s , and its patterns in space over large areas with respect to the occurrence of saline water and fresh water aquifer systems in the deltaic coastal aquifer system has been demonstrated.

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Acknowledgement

The authors are grateful to the Director, Dr. P. C. Pandey NCAOR, Vasco-da-Gama, Goa, India for encouraging and authorizing this publication. We thank the reviewer for the critical comments and suggestions on the improving manuscript.

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Authors and Affiliations

  1. National Centre for Antarctic and Ocean Research, Vasco-da-Gama, 403804, Goa, India

    U. K. Singh

  2. National Geophysical Research Institute, 500007, Hyderbad, India

    R. K. Das & G. K. Hodlur

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  1. U. K. Singh
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  2. R. K. Das
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  3. G. K. Hodlur
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Correspondence to U. K. Singh.

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Singh, U.K., Das, R.K. & Hodlur, G.K. Significance of Dar-Zarrouk parameters in the exploration of quality affected coastal aquifer systems. Env Geol 45, 696–702 (2004). https://doi.org/10.1007/s00254-003-0925-8

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  • DOI: https://doi.org/10.1007/s00254-003-0925-8

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