Abstract

The increasing urbanization of coastal areas and the impeding climate change and the related changes, e.g., in sea-level rise, probability of salt water intrusion, increase in the storm surges etc., and their interaction with the human population is likely to degrade the environment in a complicated way. In order to have any kind of effective mitigation plan, an effective monitoring plan is required which is both feasible and economical. Cone penetration technology (CPT) offers such a scheme. Cone penetration testing has made a great progress in last 15 years and the interpretations of obtained results are based on established principles. Incorporation of geophysical techniques into CPT offers a new way to characterize subsurface conditions in coastal areas. In the present paper, the authors review some of the technologies to delineate the soil conditions. Two case histories are presented, one comparing the performance of conventional monitoring well with that of cone penetrometer enabled well and the second is the CPT based laser induced fluorescence to detail the concentration of polyaromatic hydrocarbon (PAH) in harbour sediments.

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