HilasvuoriBerningerSonninenEtAl2009

Référence

Hilasvuori, E., Berninger, F., Sonninen, E., Tuomenvirta, H., Jungner, H. (2009) Stability of climate signal in carbon and oxygen isotope records and ring width from Scots pine (Pinus sylvestris L.) in Finland. Journal of Quaternary Science, 24(5):469-480.

Résumé

Four hundred year long records of carbon and oxygen stable isotope ratios and ring width were measured from Scots pine (Pinus sylvestris U from sites in Northern and Eastern Finland. Responses of isotope ratios to temperature and precipitation were analysed for the 20th century. Carbon isotope ratios responded strongly to summer temperature at both sites, whereas all influence of precipitation oil the record was observed only at the site in Eastern Finland. Oxygen isotope ratios were less responsive to climatic variation than carbon at the high-frequency level. To shed light on the role of the possible divergence problem during last decades the climate responses were Studied separately in the first and in the second half of the 20th century. The responses to temperature were stable in the north but in Eastern Finland the significant period Of Summer occurred earlier during the later half of the century. Relationships between records were Studied during the 400 a period. All proxies correlated positively with each other, although temporal changes Occurred. Common forcing, discovered in Northern Finland between carbon isotope and ring width records, was weaker in the earlier period studied. Three climate reconstructions were created: temperature reconstruction for Northern Finland and temperature and precipitation reconstructions for Eastern Finland. Copyright (C) 2009 John Wiley & Sons, Ltd.

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@ARTICLE { HilasvuoriBerningerSonninenEtAl2009,
    AUTHOR = { Hilasvuori, E. and Berninger, F. and Sonninen, E. and Tuomenvirta, H. and Jungner, H. },
    TITLE = { Stability of climate signal in carbon and oxygen isotope records and ring width from Scots pine (Pinus sylvestris L.) in Finland },
    JOURNAL = { Journal of Quaternary Science },
    YEAR = { 2009 },
    VOLUME = { 24 },
    PAGES = { 469-480 },
    NUMBER = { 5 },
    MONTH = { jul },
    AF = { Hilasvuori, EmmiEOLEOLBerninger, FrankEOLEOLSonninen, EloniEOLEOLTuomenvirta, HeikkiEOLEOLJungner, Hogne },
    C1 = { [Hilasvuori, Emmi; Sonninen, Eloni; Jungner, Hogne] Univ Helsinki, Dating Lab, FI-00014 Helsinki, Finland.EOLEOL[Berninger, Frank] Univ Quebec, Dept Sci Biol, Montreal, PQ H3C 3P8, Canada.EOLEOL[Tuomenvirta, Heikki] Finnish Meteorol Inst, FIN-00101 Helsinki, Finland. },
    DE = { tree-rings; carbon isotopes; oxygen isotopes; Pinus sylvestris;EOLEOLFennoscandia },
    DI = { 10.1002/jqs.1260 },
    EM = { emmi.hilasvuori@helsinki.fi },
    FU = { EU [EVK2-CT-2002-00147]; Millennium [017008-2] },
    FX = { This study was conducted as part of EU-funded projects ISONETEOLEOL(EVK2-CT-2002-00147) and Millennium (017008-2). We would like to thankEOLEOLPentti Zetterberg for guidance and assistance at the Sivakkovaara site.EOLEOLWe also thank Igor Shevchuk for assistance in isotope analyses, and weEOLEOLare grateful to Henrik Brunholm and Pia Toikka for precise work withEOLEOLsample preparation. Mary Gagen and Markku Oinonen provided helpfulEOLEOLcomments on the manuscript. Comments on the manuscript by Dr Buhay andEOLEOLan anonymous reviewer improved the final presentation. },
    GA = { 470ST },
    J9 = { J QUATERNARY SCI },
    JI = { J. Quat. Sci. },
    LA = { English },
    NR = { 69 },
    PA = { THE ATRIUM, SOUTHERN GATE, CHICHESTER PO19 8SQ, W SUSSEX, ENGLAND },
    PG = { 12 },
    PI = { CHICHESTER },
    RP = { Hilasvuori, E, Univ Helsinki, Dating Lab, POB 64, FI-00014 Helsinki,EOLEOLFinland. },
    SC = { Geosciences, Multidisciplinary; Paleontology },
    SI = { Sp. Iss. SI },
    SN = { 0267-8179 },
    TC = { 1 },
    UT = { ISI:000268001000007 },
    ABSTRACT = { Four hundred year long records of carbon and oxygen stable isotope ratios and ring width were measured from Scots pine (Pinus sylvestris U from sites in Northern and Eastern Finland. Responses of isotope ratios to temperature and precipitation were analysed for the 20th century. Carbon isotope ratios responded strongly to summer temperature at both sites, whereas all influence of precipitation oil the record was observed only at the site in Eastern Finland. Oxygen isotope ratios were less responsive to climatic variation than carbon at the high-frequency level. To shed light on the role of the possible divergence problem during last decades the climate responses were Studied separately in the first and in the second half of the 20th century. The responses to temperature were stable in the north but in Eastern Finland the significant period Of Summer occurred earlier during the later half of the century. Relationships between records were Studied during the 400 a period. All proxies correlated positively with each other, although temporal changes Occurred. Common forcing, discovered in Northern Finland between carbon isotope and ring width records, was weaker in the earlier period studied. Three climate reconstructions were created: temperature reconstruction for Northern Finland and temperature and precipitation reconstructions for Eastern Finland. Copyright (C) 2009 John Wiley & Sons, Ltd. },
    KEYWORDS = { NORTHERN-HEMISPHERE TEMPERATURES; WATER-USE EFFICIENCY; TREE-RINGS; ANNUAL PRECIPITATION; SUMMER TEMPERATURES; STABLE-ISOTOPES; PAST MILLENNIUM; TIME-SERIES; CHRONOLOGIES; CELLULOSE },
    OWNER = { sobru1 },
    PUBLISHER = { John Wiley \& Sons Ltd },
    TIMESTAMP = { 2009.08.03 },
}

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