Mean annual temperatures of mid-latitude regions derived from δ2H values of wood lignin methoxyl groups and its implications for paleoclimate studies.
Mean annual temperatures of mid-latitude regions derived from δ2H values of wood lignin methoxyl groups and its implications for paleoclimate studies.
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由木材木质素甲氧基基团δ2H值得出的中纬度地区年平均气温及其对古气候研究的影响
DOI:
10.1016/j.scitotenv.2016.07.189
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发表时间:
2017
期刊:
影响因子:
--
通讯作者:
Keppler
中科院分区:
文献类型:
--
作者:
Anhäuser;Greule;Keppler
Tree-rings are widely used climate archives providing annual resolutions on centennial to millennial timescales. Stable isotope ratios of tree-rings have been applied to assist with the delineation of climate parameters such as temperature and precipitation. Here, we investigated stable hydrogen isotope ratios (expressed as δ2H values) of lignin methoxyl groups of wood from various tree species collected along a ~ 3500 km north-south transect across Europe with mean annual temperatures (MAT) ranging from − 4 to + 17 °C. We found a strong linear relationship between MATs and δ2H values of wood lignin methoxyl groups. We used this relationship to predict MATs from randomly collected wood samples and found general agreement between predicted and observed MATs for the mid-latitudes on a global scale. Our results are discussed in context of their paleoclimate relevance and suggest that δ2H values of lignin methoxyl groups might have the potential to reconstruct MATs when applied on mid-latitudinal tree-ring chronologies of the Late Holocene.
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影响因子:
5
作者:
Anhäuser;Sirocko;Greule;Keppler
通讯作者:
Keppler
DOI:
--
发表时间:
2014
期刊:
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