Last millennium northern hemisphere summer temperatures from tree rings: Part I: The long term context : научное издание

Тип публикации: статья из журнала

Год издания: 2016

Идентификатор DOI: 10.1016/j.quascirev.2015.12.005

Ключевые слова: Tree-rings, Northern hemisphere, Last millennium, Summer temperatures, Reconstruction, CMIP5 models

Аннотация: Large-scale millennial length Northern Hemisphere (NH) temperature reconstructions have been progressively improved over the last 20 years as new datasets have been developed. This paper, and its companion (Part II, Anchukaitis et al. in prep), details the latest tree-ring (TR) based NH land air temperature reconstruction from a temporal and spatial perspective. This work is the first product of a consortium called N-TREND (Northern Hemisphere Tree-Ring Network Development) which brings together dendroclimatologists to identify a collective strategy for improving large-scale summer temperature reconstructions. The new reconstruction, N-TREND2015, utilises 54 records, a significant expansion compared with previous TR studies, and yields an improved reconstruction with stronger statistical calibration metrics. N-TREND2015 is relatively insensitive to the compositing method and spatial weighting used and validation metrics indicate that the new record portrays reasonable coherence with large scale summer temperatures and is robust at all time-scales from 918 to 2004 where at least 3 TR records exist from each major continental mass. N-TREND2015 indicates a longer and warmer medieval period (similar to 900 1170) than portrayed by previous TR NH reconstructions and by the CMIP5 model ensemble, but with better overall agreement between records for the last 600 years. Future dendroclimatic projects should focus on developing new long records from data-sparse regions such as North America and eastern Eurasia as well as ensuring the measurement of parameters related to latewood density to complement ring-width records which can improve local based calibration substantially. (C) 2015 Elsevier Ltd. All rights reserved.

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Издание

Журнал: QUATERNARY SCIENCE REVIEWS

Выпуск журнала: Vol. 134

Номера страниц: 1-18

ISSN журнала: 02773791

Место издания: OXFORD

Издатель: PERGAMON-ELSEVIER SCIENCE LTD

Авторы

  • Wilson Rob (Columbia Univ, Lamont Doherty Earth Observ, Palisades, NY 10964 USA;; )
  • Anchukaitis Kevin (Columbia Univ, Lamont Doherty Earth Observ, Palisades, NY 10964 USA; Univ Arizona, Sch Geog & Dev, Tucson, AZ USA; Univ Arizona, Tree Ring Res Lab, Tucson, AZ 85721 USA;; )
  • Briffa Keith R. (Univ E Anglia, Sch Environm Sci, Climat Res Unit, Norwich NR4 7TJ, Norfolk, England;; )
  • Buentgen Ulf (Swiss Fed Res Inst WSL, CH-8903 Birmensdorf, Switzerland;; )
  • Cook Edward (Columbia Univ, Lamont Doherty Earth Observ, Palisades, NY 10964 USA;; )
  • D'Arrigo Rosanne (Columbia Univ, Lamont Doherty Earth Observ, Palisades, NY 10964 USA;; )
  • Davi Nicole (Columbia Univ, Lamont Doherty Earth Observ, Palisades, NY 10964 USA;; )
  • Esper Jan (Department of Geography, Johannes Gutenberg University, Becherweg 21, Mainz, Germany )
  • Frank Dave (Swiss Fed Res Inst WSL, CH-8903 Birmensdorf, Switzerland;; )
  • Gunnarson Bjoern (Department of Physical Geography and Quaternary Geology, Stockholm University, Stockholm, Sweden )
  • Hegerl Gabi (School of GeoSciences, Grant Institute, University of Edinburgh, Edinburgh, United Kingdom)
  • Helama Samuli (Natural Resources Institute Finland, Rovaniemi, Finland)
  • Klesse Stefan (Swiss Fed Res Inst WSL, CH-8903 Birmensdorf, Switzerland;; )
  • Krusic Paul J. (Univ St Andrews, Sch Geog & Geosci, St Andrews KY16 9AL, Fife, Scotland; Navarino Environm Obs, Messinia, Greece)
  • Linderholm Hans W. (Department of Earth Sciences, University of Gothenburg, Gothenburg, Sweden)
  • Myglan Vladimir (Siberian Fed Univ, Pr Svobodny 79, Krasnoyarsk 660041, Russia;; )
  • Osborn Timothy J. (Univ E Anglia, Sch Environm Sci, Climat Res Unit, Norwich NR4 7TJ, Norfolk, England;; )
  • Rydval Milos (School of Geography and Geosciences, University of St Andrews, Fife, United Kingdom; Faculty of Forestry and Wood Sciences, Czech University of Life Sciences Prague, Czech Republic)
  • Schneider Lea (Department of Geography, Johannes Gutenberg University, Becherweg 21, Mainz, Germany)
  • Schurer Andrew (School of GeoSciences, Grant Institute, University of Edinburgh, Edinburgh, United Kingdom)
  • Wiles Greg (Columbia Univ, Lamont Doherty Earth Observ, Palisades, NY 10964 USA; Department of Geology, The College of Wooster, OH, United States)
  • Zhang Peng (Department of Earth Sciences, University of Gothenburg, Gothenburg, Sweden)
  • Zorita Eduardo (Institute for Coastal Research, Helmholtz-Zentrum Geesthacht, Geesthacht, Germany)
  • Wilson R. (Lamont Doherty Earth Observatory of Columbia University,University of Arizona)
  • Buntgen U. (Global Change Research Centre AS CR)
  • Frank D. (Swiss Federal Research Institute WSL)
  • Klesse S. (Swiss Federal Research Institute WSL)
  • Krusic P.J. (Department of Physical Geography and Quaternary Geology,Stockholm University)
  • Esper J. (Department of Geography,Johannes Gutenberg University)
  • Schneider L. (Department of Geography,Johannes Gutenberg University)
  • Gunnarson B. (Department of Physical Geography and Quaternary Geology,Stockholm University)
  • Hegerl G. (School of GeoSciences,Grant Institute,University of Edinburgh)
  • Schurer A. (School of GeoSciences,Grant Institute,University of Edinburgh)
  • Helama S. (Natural Resources Institute Finland)
  • Rydval M. (Faculty of Forestry and Wood Sciences,Czech University of Life Sciences Prague)
  • Linderholm H.W. (Department of Earth Sciences,University of Gothenburg)
  • Zhang P. (Department of Earth Sciences,University of Gothenburg)
  • Myglan V. (Siberian Federal University)
  • Zorita E. (Institute for Coastal Research,Helmholtz-Zentrum Geesthacht)
  • Anchukaitis K. (School of Geography and Development and Laboratory of Tree Ring Research,University of Arizona)
  • Cook E. (Lamont Doherty Earth Observatory of Columbia University,University of Arizona)
  • D'Arrigo R. (Lamont Doherty Earth Observatory of Columbia University,University of Arizona)
  • Davi N. (William Paterson University)
  • Wiles G. (Department of Geology,The College of Wooster)
  • Briffa K.R. (Climatic Research Unit,School of Environmental Sciences,University of East Anglia)
  • Osborn T.J. (Climatic Research Unit,School of Environmental Sciences,University of East Anglia)

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