Sedimentary geochemical evidence of historical tsunamis in the Eastern Mediterranean from Ölüdeniz Lagoon, SW Turkey
作者： Ulaş Avşar
DOI: 10.1007/S10933-018-00065-X
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摘要: In the Eastern Mediterranean and southern Aegean seas, historical records indicate there were 17 tsunamis in last 2500 years with intensities > 6 on a 12-point tsunami intensity scale. Regional geologic of past tsunamis, however, are not sufficiently well-documented to assess hazards. This study presents geochemical evidence historic for 700 years, detected sedimentary sequence Oludeniz Lagoon, SW Turkey. Sediment chronology was established by 137Cs 210Pb dating, regional chronostratigraphic correlation reveals that three events observed within correlate temporally AD 1303, 1609, 1741 region. The sediment anomalies (tsunami deposits) appear as reddish-brown intercalations yellowish-brown background sediments lagoon, enriched K, Ti, Fe Zn, but depleted Ca. kind fingerprint is attributed sudden increase input terrigenous which swept from beach sand spit lagoon marine overwash during tsunamis. If stratigraphic thickness magnitude assumed be proxy intensity, then 1609 event stronger region than 1303
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