Updating the Czech Millennia-Long Oak Tree-Ring Width Chronology

IF 1.1 4区农林科学 Q3 FORESTRY

Tree-Ring Research Pub Date : 2017-03-06 DOI:10.3959/1536-1098-73.1.47

Ondrej Prokop, T. Kolář, T. Kyncl, M. Rybníček

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引用次数: 26

Abstract

ABSTRACT In recent years, a millennia-long oak tree-ring width chronology, consisting of 3194 samples from 387 locations, was developed in the Czech Republic. Despite the collection of such a huge dataset, the replication in the 19th Century was very low and the natural oak distribution in the Czech Republic was insufficiently covered by recent samples, especially in Western Bohemia. This study aimed to remove these weaknesses, which have limited the paleoclimatic potential of this dataset, and to determine the number of sapwood rings, which is crucial for dendrochronological dating. Therefore, new recent samples were randomly collected at numerous sawmills along the Czech-German border. The historical material was usually sampled using a Pressler borer from church belfry constructions traditionally made from oak. In total, 252 recent and 90 historical tree-ring width series were incorporated into the chronology. The newly built chronology cumulatively consists of 3536 series, which covers the continuous period of A.D. 352–2014. The resulting tree-ring width record shows robust signal strength and homogeneous coverage of the territory. We show that the number of sapwood rings is constant over time. Therefore, we recommend using an estimate of 5–24 sapwood rings for a more precise dating of historical wood findings in the Czech Republic.

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更新捷克千禧年长橡树年轮宽度年表

近年来，在捷克共和国开发了一种千年橡树年轮宽度年表，该年表由来自387个地点的3194个样本组成。尽管收集了如此庞大的数据集，但19世纪的复制率非常低，而且捷克共和国的天然橡树分布没有被最近的样本充分覆盖，特别是在西波西米亚。这项研究旨在消除这些限制了该数据集古气候潜力的弱点，并确定边材环的数量，这对树木年代学定年至关重要。因此，最近在捷克和德国边境的许多锯木厂随机收集了新的样本。历史材料通常使用普雷斯勒钻孔机从传统上由橡木制成的教堂钟楼建筑中取样。年表共收录了252个近期年轮宽度序列和90个历史年轮宽度序列。新建立的年表累计包括3536个系列，涵盖了公元352年至2014年的连续时期。由此得到的树轮宽度记录显示了稳健的信号强度和均匀的覆盖范围。我们表明边材环的数量随时间是恒定的。因此，我们建议使用5-24个边材环的估计值来对捷克共和国的历史木材发现进行更精确的测年。

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来源期刊

Tree-Ring Research 农林科学-林学

CiteScore

2.40

自引率

12.50%

发文量

审稿时长

>36 weeks

期刊介绍： Tree-Ring Research (TRR) is devoted to papers dealing with the growth rings of trees and the applications of tree-ring research in a wide variety of fields, including but not limited to archaeology, geology, ecology, hydrology, climatology, forestry, and botany. Papers involving research results, new techniques of data acquisition or analysis, and regional or subject-oriented reviews or syntheses are considered for publication. Scientific papers usually fall into two main categories. Articles should not exceed 5000 words, or approximately 20 double-spaced typewritten pages, including tables, references, and an abstract of 200 words or fewer. All manuscripts submitted as Articles are reviewed by at least two referees. Research Reports, which are usually reviewed by at least one outside referee, should not exceed 1500 words or include more than two figures. Research Reports address technical developments, describe well-documented but preliminary research results, or present findings for which the Article format is not appropriate. Book or monograph Reviews of 500 words or less are also considered. Other categories of papers are occasionally published. All papers are published only in English. Abstracts of the Articles or Reports may be printed in other languages if supplied by the author(s) with English translations.