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    Shoreline changes during the last 2000 years on the Saurashtra coast of India: Study based on archaeological evidences

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    Curr_Sci_92_103.pdf (200.8Kb)
    Date
    2007
    Author
    Gaur, A.S.
    Vora, K.H.
    Sundaresh
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    Abstract
    Shoreline shift coupled with sea-level change have always remained intriguing aspects due to wider ramifications for the populations living on the coast. Different methods are employed to understand and explain their causes and quantum. In this communication an attempt is made to study shoreline and sea-level changes during the last 2000 years on the basis of archaeological evidence. Archaeological excavations undertaken at Bet Dwarka (western most part of India) revealed an interesting cultural sequence commencing from protohistoric period (3800 yrs BP) to historical period (1600 yrs BP). Excavation was undertaken in six trenches up to the lowest level of archaeological findings. The results from these trenches suggest that the oldest habitation was situated below the present high water line. This is an indication of a lower sea level during that period of settlement. Sup(14)C ages and archaeological data suggest a time bracket for these habitations between 2050 and 1650 yrs BP (calibrated). Analysis of sea level versus ancient settlement suggests that around the Christian era sea level was lower by 2 m than the present. The remains from the excavation also suggest that one of the attractions for early settlers was the availability of marine resources around the island. Data from early historical period and other archaeological sites situated along the Indian coast confirm this finding.
    URI
    http://drs.nio.org/drs/handle/2264/555
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