Altai, Siberia 750 Year Ice Core d18O and Temperature Reconstruction ----------------------------------------------------------------------- World Data Center for Paleoclimatology, Boulder and NOAA Paleoclimatology Program ----------------------------------------------------------------------- NOTE: Please cite original reference when using these data, plus the data file URL and date accessed. NAME OF DATA SET: Altai, Siberia 750 Year Ice Core d18O and Temperature Reconstruction LAST UPDATE: 3/2012 (Original receipt by WDC Paleo) CONTRIBUTORS: Eichler, A., S. Olivier, K. Henderson, A. Laube, J. Beer, T. Papina, H. W. Gäggeler, and M. Schwikowski IGBP PAGES/WDCA CONTRIBUTION SERIES NUMBER: 2012-032 WDC PALEO CONTRIBUTION SERIES CITATION: Eichler, A., et al. 2012. Altai, Siberia 750 Year Ice Core d18O and Temperature Reconstruction. IGBP PAGES/World Data Center for Paleoclimatology Data Contribution Series # 2012-032. NOAA/NCDC Paleoclimatology Program, Boulder CO, USA. ORIGINAL REFERENCE: Eichler, A., S. Olivier, K. Henderson, A. Laube, J. Beer, T. Papina, H. W. Gäggeler, and M. Schwikowski. 2009. Temperature response in the Altai region lags solar forcing. Geophys. Res. Lett., 36, L01808, doi:10.1029/2008GL035930. ABSTRACT: The role of the sun on Earth's climate variability is still much debated. Here we present an ice core oxygen isotope record from the continental Siberian Altai, serving as a high-resolution temperature proxy for the last 750 years. The strong correlation between reconstructed temperature and solar activity suggests solar forcing as a main driver for temperature variations during the period 1250-1850 in this region. The precisely dated record allowed for the identification of a 10-30 year lag between solar forcing and temperature response, underlining the importance of indirect sun-climate mechanisms involving ocean-induced changes in atmospheric circulation. Solar contribution to temperature change became less important during industrial period 1850-2000 in the Altai region. ADDITIONAL REFERENCE: Henderson, K., A. Laube, H.W. Gäggeler, S. Olivier, T. Papina, and M. Schwikowski. 2006. Temporal variations of accumulation and temperature during the past two centuries from Belukha ice core, Siberian Altai. J. Geophys. Res., 111, D03104, doi:10.1029/2005JD005819. GEOGRAPHIC REGION: Siberian Altai, Central Asia PERIOD OF RECORD: 1250 - 1980 AD FUNDING SOURCE: Swiss National Science Foundation (SNSF), Marie-Heim Vögtlin program, PMPD2-110174 DATA FILE URLS: ftp://ftp.ncdc.noaa.gov/pub/data/paleo/trop/belukha/belukha2009.txt ftp://ftp.ncdc.noaa.gov/pub/data/paleo/trop/belukha/belukha2009.xls DESCRIPTION: Ice core oxygen isotope data (d18O) and March-November temperature reconstruction for the Altai region of Siberia over the past 750 years. March-November temperatures in the Altai region were reconstructed using d18O measurements from a Belukha ice core in the Siberian Altai. Dating uncertainties are <3 years (AD 1815-1980), <5 years (AD 1400-1815), and <10 years (AD 1250-1400). Calibration was performed for the period 1850-1980 based on 10-year means, using temperature data from the weather station Barnaul. Belukha ice core: 49°48'26"N, 86°34'43"E, elevation 4062 m a.s.l. DATA: Eichler et al. 2009 Belukha ice core d18O and Altai Temperature Reconstruction Column 1: Year AD (e.g. 1255: period 1250-1259) Column 2: 10-year averages of the ice-core d18O (per mil) Column 3: Reconstructed March-November temperature (deg C anomaly vs. 1250-1980 mean) Column 4: 1 sigma error (deg C) (including SE of d18O and calibration) YearAD d18O Tanom 1sigma 1255 -14.62 -0.30 1.69 1265 -14.29 0.07 1.71 1275 -14.06 0.34 1.68 1285 -13.89 0.53 1.70 1295 -15.12 -0.87 1.68 1305 -14.02 0.38 1.63 1315 -15.48 -1.28 1.61 1325 -15.72 -1.56 1.66 1335 -14.40 -0.05 1.64 1345 -13.35 1.14 1.65 1355 -14.88 -0.60 1.70 1365 -15.14 -0.90 1.68 1375 -14.19 0.19 1.69 1385 -15.52 -1.33 1.72 1395 -13.05 1.49 1.72 1405 -13.84 0.58 1.71 1415 -15.21 -0.98 1.75 1425 -14.46 -0.12 1.69 1435 -13.78 0.66 1.62 1445 -15.11 -0.86 1.64 1455 -16.98 -2.98 1.58 1465 -14.18 0.19 1.56 1475 -16.58 -2.53 1.58 1485 -14.58 -0.26 1.65 1495 -13.74 0.70 1.63 1505 -13.71 0.73 1.64 1515 -15.31 -1.09 1.63 1525 -16.22 -2.12 1.62 1535 -15.10 -0.85 1.58 1545 -14.51 -0.18 1.61 1555 -15.36 -1.14 1.65 1565 -14.20 0.18 1.69 1575 -14.26 0.11 1.69 1585 -13.76 0.68 1.73 1595 -14.65 -0.34 1.73 1605 -13.73 0.71 1.74 1615 -14.44 -0.10 1.74 1625 -14.15 0.23 1.74 1635 -13.95 0.46 1.72 1645 -13.99 0.41 1.70 1655 -14.49 -0.15 1.68 1665 -15.14 -0.89 1.66 1675 -15.06 -0.81 1.63 1685 -14.57 -0.25 1.61 1695 -15.54 -1.35 1.60 1705 -15.38 -1.16 1.61 1715 -15.64 -1.46 1.60 1725 -14.74 -0.43 1.57 1735 -15.19 -0.95 1.57 1745 -16.30 -2.21 1.58 1755 -15.15 -0.91 1.59 1765 -14.99 -0.72 1.62 1775 -13.95 0.46 1.70 1785 -13.80 0.63 1.75 1795 -13.23 1.27 1.77 1805 -13.59 0.87 1.75 1815 -13.97 0.44 1.74 1825 -14.89 -0.60 1.71 1835 -14.15 0.23 1.68 1845 -14.02 0.38 1.70 1855 -14.67 -0.35 1.73 1865 -13.39 1.10 1.76 1875 -13.67 0.78 1.81 1885 -13.21 1.30 1.87 1895 -12.38 2.24 1.86 1905 -12.98 1.57 1.87 1915 -13.42 1.06 1.85 1925 -13.56 0.90 1.85 1935 -13.58 0.88 1.86 1945 -12.43 2.19 1.89 1955 -12.69 1.89 1.94 1965 -12.60 1.99 1.95 1975 -11.95 2.73 1.95