Archaeological indicators for sea level change and coastal neotectonic deformation: the submerged Roman fish tanks of the gulf of Matala, Crete, Greece |
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Authors: | ND Mourtzas |
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Institution: | 16-18 Kefallinias Str., GR-15231 Chalandri, Athens, Greece |
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Abstract: | Due to the direct relationship between their function and ancient sea levels, Roman fish tanks and fish traps are excellent indicators for sea level changes through time. For this study, eleven submerged systems of fish tanks were investigated along the rocky southern coast of the gulf of Matala, Crete. Seven of them are still in a good state of preservation and thus underwent detailed survey and documentation. The measurements of their recent submersion, the determination of the way they operated, as well as their correlation with coastal landforms indicative of an older sea level, permit the identification of a mean Roman sea level at the SW coast of central Crete 1.25 m below the present one. According to historical evidence, the submersion of the SW coasts of the central part of Crete must have been occurred between 1415 and 1865 during a paroxysmal tectonic event and is probably related with the strong earthquake of 1604. |
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Keywords: | Roman fish tanks Crete Matala gulf Sea level change Submersion Coastal neotectonic deformation Palaeoseismicity |
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