The application of tree-rings and stable isotopes for reconstructions of climate conditions in the Russian Altai

Тип публикации: статья из журнала

Год издания: 2013

Идентификатор DOI: 10.1007/s10584-013-0805-5

Ключевые слова: Climate condition, Hydrological changes, Oxygen isotopic, Precipitation reconstruction, Stable carbon isotopes, Stable isotope data, Stable isotopes, Temperature signal, Isotopes, Forestry, carbon isotope, chronology, climate conditions, coniferous tree, extreme event, hydrological change, oxygen isotope, precipitation (climatology), reconstruction, stable isotope, temperature profile, tree ring, Carbon, Rings, Trees, Altay [Russian Federation], Russian Federation

Аннотация: We present new tree-ring width, delta C-13, and delta O-18 chronologies from the Koksu site (49A degrees N, 86A degrees E, 2,200 m asl), situated in the Russian Altai. A strong temperature signal is recorded in the tree-ring width (June-July) and stable isotope (July-August) chronologies, a July precipitation signal captured by the stable isotope data. To investigate the nature of common climatic patterns, our new chronologies are compared with previously published tree-ring and stable isotope data from other sites in the Altai region. The temperature signal preserved in the conifer trees is strongly expressed at local and regional scales for all studied sites, resulting in even stronger temperature and precipitation signals in combined average chronologies compared to separate chronologies. This enables the reconstruction of June-July and July-August temperatures for the last 200 years using tree-ring and stable carbon isotopes. A July precipitation reconstruction based on oxygen isotopic variability recorded in tree-rings can potentially improve the understanding of hydrological changes and the occurrence of extreme events in the Russian Altai.

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Издание

Журнал: CLIMATIC CHANGE

Выпуск журнала: Vol. 120, Is. 1-2

Номера страниц: 153-167

ISSN журнала: 01650009

Место издания: DORDRECHT

Издатель: SPRINGER

Авторы

  • Sidorova O.V. (Paul Scherrer Institute)
  • Siegwolf R.T.W. (Paul Scherrer Institute)
  • Saurer M. (Paul Scherrer Institute)
  • Myglan V.S. (Siberian Federal University)
  • Shishov V.V. (Siberian Federal University)
  • Ovchinnikov D.V. (V.N. Sukachev Institute of Forest SB RAS)
  • Helle G. (Helmholz-Centre Potsdam, German Centre for GeoSciences-GFZ, Telegrafenberg)
  • Loader N.J. (Department of Geography,Swansea University)

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