Journal of Coastal Conservation

, Volume 23, Issue 1, pp 121–131 | Cite as

Erosional features identification along a recently prograding coastal barrier by ground penetrating radar facies analysis: Paradeep, Odisha, India

  • Mrinal Kanti LayekEmail author
  • Probal Sengupta
  • Abhijit Mukherjee


Coastal barrier dynamics is a complicated system which mainly involves shoreline changes due to accretion and erosion of the coast. Erosional activity in the coastal area of Paradeep, Odisha is risking the lives of the people and the community/factory infrastructures of this major port city, adjoining to the Bay of Bengal. So, understanding of the complex barrier dynamics is more important in this study area. The purpose of this study was to identify several erosional features within sedimentary beddings by Ground Penetrating Radar (GPR) survey and to understand the processes involved in this microtidal barrier from obtained GPR facies/radar facies. GPR reflection survey, with 200 MHz antenna, along (17 profiles) and across (21 profiles) the barrier was done to delineate shapes and sizes of the sedimentary features, erosional surfaces, channels, scour-and-fill structures, progradational beddings and internal geometry of the beach ridge deposits. GPR facies analyses of the beach ridge have established the longshore drift of sediments from nearby river mouths e.g. Mahanadi and Devi river mouths. This interpretation technique has also characterized the palaeo-tidal channels of the study area into two types – (a) larger channels which are perpendicular to the shoreline having channel width of about 400 m with maximum depth of 3.4 m from the surface and (b) smaller channels (width up to 60 m) flow parallel to the shoreline. Here, seaward-dipping beach progradational facies is positioned within oblique erosional surfaces below the facies boundary. This describes the cyclicity of erosion and accretion activity at Paradeep coastal barrier.


Ground penetrating radar (GPR) facies Coastal barrier Erosion-accretion cycle Sedimentology Paradeep 



The authors really acknowledged the Department of Geology and Geophysics, Indian Institute of Technology (IIT) Kharagpur for providing the GPR instrument used in this study. The support from Anindya and Bapan during the fieldwork is also being acknowledged. The idea and perspective of the study used in this paper are totally authors’ own. The authors are also thankful to the reviewer for the remarkable views and constructive suggestions to enhance the quality of the paper.


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Copyright information

© Springer Nature B.V. 2018

Authors and Affiliations

  • Mrinal Kanti Layek
    • 1
    Email author
  • Probal Sengupta
    • 1
  • Abhijit Mukherjee
    • 1
  1. 1.Department of Geology and GeophysicsIndian Institute of Technology (IIT) KharagpurKharagpurIndia

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