DATE2016-05-31 00:36:52
IDABSTRACT20160531003652-1027
CONTACTiliyadbauchi@yahoo.com
PRESENTATIONPOSTER
INVITED0
IDSESSION3
TITLEHIGH-RESOLUTION MULTI PROXY EVIDENCES OF CLIMATE CHANGES DURING THE PAST 1400 YEARS FROM LAKE SALDA SEDIMENT RECORDS (SW TURKEY).
AUTHORSIliya Bauchi Danladi (1), Rana Salihoglu (1), Z. Bora Ön (1), Sena Akçer-Ön (1)
AFFILIATIONS
  1. Mugla Sitki Kocman University, Department Of Geological Engineering Mugla (Turkey)
ABSTRACTIn this research, we present high-resolution multi proxy evidences of past climatic records from Lake Salda, SW Turkey. Lake Salda is a tectonic and alkaline lake located at an elevation of 1180 m asl. Dating methods based on Pb-210, Cs-137 and C-14 indicate that the sediment cores cover the period between AD 613 and AD 2014 with a resolution at decadal-centennial scale. Our analytical methods are based on XRF, MS, TOC/TIC and stable isotopes (O-18 and C-13). Substantial dry-wet spells and oscillations for the past 1400 years have been identified. An attempt towards determining the relation between climate change and solar forcing through comparison between Lake Salda’s Ca (cps) records with atmospheric C-14 and Be-13 revealed synchronous fluctuations. As a result, the region was dry (wet) during low (high) atmospheric C-14 and Be-13 deposition. Furthermore, comparison between Lake Salda records and records from Lake Nar and Sofular Cave reveals similar climatic fluctuations. Therefore, we claim that the main driving mechanism of climate change for the last 1400 years is the changes in solar activity. The project is supported by the Scientific and Technological Research Council of Turkey (TUBITAK; project no. 113Y408) and Research Council of the Mugla Sitki Kocman University (Project No. 15/073).
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