NDLI: Environmental and climatic signals from stable isotopes in Anatolian tree rings, Turkey

Content Provider	Springer Nature Link
Author	Mutlu, Halim Köse, Nesibe Akkemik, Ünal Aral, Duru Kaya, Ali Manning, Sturt W. Pearson, Charlotte L. Dalfes, Nüzhet
Copyright Year	2011
Abstract	Dendrochronological and oxygen–carbon isotopic analysis was conducted on tree rings collected at two different elevations from three different regions in western Anatolia, Turkey. Tree rings were sampled from Anatolian black pines (Pinus nigra Arn. subsp. pallasiana (Lamb.) Holmboe) of at least 200 years old through an N–S transect covering Bolu-Mengen (north), Kütahya–Simav, and Antalya–Alanya (south) forests. Cellulose was extracted from 5-year blocks of tree rings from lower to upper altitudes in each region. Dendrochronological site chronologies were built for each of the 6 sites, and response to climate was evaluated. The long-term δ13C chronologies comprising the period 1800–2008 strongly decline by an average of 2.5‰ from the mid-twentieth century, which corresponds with the commencement of industrialization in Turkey. Oxygen isotope (δ18O) time series show dominantly low undulations, although some high-frequency variations of up to 6‰ are also observed. As a result of latitude and continent effects, oxygen isotope values of tree rings show an average of 3‰ increase from south (Antalya) to the north (Bolu). Correlations between carbon isotope ratios yield high positive values indicating that industrial pollution exerts a major control on the δ13C systematics of the studied trees. Corrected δ13C ratios are mostly represented by strong positive responses to variations in temperature and precipitation, whereas δ18O and summer temperature/precipitation are negatively correlated. Tree-ring widths and δ18O display similar responses to the temperature and sensitivity to the climatic impact of historic volcanic eruptions, and changes in the solar irradiance record are also detected in other high-resolution paleoclimate archives for the region.
Starting Page	559
Ending Page	570
Page Count	12
File Format	PDF
ISSN	14363798
Journal	Regional Environmental Change
Volume Number	12
Issue Number	3
e-ISSN	1436378X
Language	English
Publisher	Springer-Verlag
Publisher Date	2011-12-21
Publisher Place	Berlin/Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Dendrochronology Tree ring Carbon and oxygen isotopes Climate Turkey Geology Geography (general) Regional/Spatial Science Climate Change Nature Conservation Oceanography
Content Type	Text
Resource Type	Article
Subject	Global and Planetary Change

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