Universität zu Köln

Zanchetta, Giovanni ORCID: 0000-0002-7080-9599, Regattieri, Eleonora ORCID: 0000-0003-0089-4027, Giaccio, Biagio ORCID: 0000-0002-7007-9127, Wagner, Bernd ORCID: 0000-0002-1369-7893, Sulpizio, Roberto ORCID: 0000-0002-3930-5421, Francke, Alex, Vogel, Hendrik ORCID: 0000-0002-9902-8120, Sadori, Laura ORCID: 0000-0002-2774-6705, Masi, Alessia ORCID: 0000-0001-9822-9767, Sinopoli, Gaia, Lacey, Jack H. ORCID: 0000-0002-6329-2149, Leng, Melanie J. and Leicher, Niklas ORCID: 0000-0002-3367-5982 (2016). Aligning and synchronization of MISS proxy records from Lake Ohrid (FYROM) with independently dated Mediterranean archives: implications for DEEP core chronology. Biogeosciences, 13 (9). S. 2757 - 2769. GOTTINGEN: COPERNICUS GESELLSCHAFT MBH. ISSN 1726-4189

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Abstract

The DEEP site sediment sequence obtained during the ICDP SCOPSCO project at Lake Ohrid was dated using tephrostratigraphic information, cyclostratigraphy, and orbital tuning through the marine isotope stages (MIS) 15-1. Although this approach is suitable for the generation of a general chronological framework of the long succession, it is insufficient to resolve more detailed palaeoclimatological questions, such as leads and lags of climate events between marine and terrestrial records or between different regions. Here, we demonstrate how the use of different tie points can affect cyclostratigraphy and orbital tuning for the period between ca. 140 and 70 ka and how the results can be correlated with directly/indirectly radiometrically dated Mediterranean marine and continental proxy records. The alternative age model presented here shows consistent differences with that initially proposed by Francke et al. (2015) for the same interval, in particular at the level of the MIS6-5e transition. According to this new age model, different proxies from the DEEP site sediment record support an increase of temperatures between glacial to interglacial conditions, which is almost synchronous with a rapid increase in sea surface temperature observed in the western Mediterranean. The re- sults show how a detailed study of independent chronological tie points is important to align different records and to highlight asynchronisms of climate events. Moreover, Francke et al. (2016) have incorporated the new chronology proposed for tephra OH-DP-0499 in the final DEEP age model. This has reduced substantially the chronological discrepancies between the DEEP site age model and the model proposed here for the last glacial-interglacial transition.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Zanchetta, Giovanni UNSPECIFIED orcid.org/0000-0002-7080-9599 UNSPECIFIED Regattieri, Eleonora UNSPECIFIED orcid.org/0000-0003-0089-4027 UNSPECIFIED Giaccio, Biagio UNSPECIFIED orcid.org/0000-0002-7007-9127 UNSPECIFIED Wagner, Bernd UNSPECIFIED orcid.org/0000-0002-1369-7893 UNSPECIFIED Sulpizio, Roberto UNSPECIFIED orcid.org/0000-0002-3930-5421 UNSPECIFIED Francke, Alex UNSPECIFIED UNSPECIFIED UNSPECIFIED Vogel, Hendrik UNSPECIFIED orcid.org/0000-0002-9902-8120 UNSPECIFIED Sadori, Laura UNSPECIFIED orcid.org/0000-0002-2774-6705 UNSPECIFIED Masi, Alessia UNSPECIFIED orcid.org/0000-0001-9822-9767 UNSPECIFIED Sinopoli, Gaia UNSPECIFIED UNSPECIFIED UNSPECIFIED Lacey, Jack H. UNSPECIFIED orcid.org/0000-0002-6329-2149 UNSPECIFIED Leng, Melanie J. UNSPECIFIED UNSPECIFIED UNSPECIFIED Leicher, Niklas UNSPECIFIED orcid.org/0000-0002-3367-5982 UNSPECIFIED
URN:	urn:nbn:de:hbz:38-292363
DOI:	10.5194/bg-13-2757-2016
Journal or Publication Title:	Biogeosciences
Volume:	13
Number:	9
Page Range:	S. 2757 - 2769
Date:	2016
Publisher:	COPERNICUS GESELLSCHAFT MBH
Place of Publication:	GOTTINGEN
ISSN:	1726-4189
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language STABLE-ISOTOPE RECORD; TEPHROSTRATIGRAPHIC RECORD; TENAGHI-PHILIPPON; ENVIRONMENTAL VARIABILITY; HYDROLOGICAL CONDITIONS; STALAGMITE EVIDENCE; VOLCANIC ACTIVITY; SOUTHERN EUROPE; LATE HOLOCENE; ICE VOLUME Multiple languages Ecology; Geosciences, Multidisciplinary Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/29236