Holocene vegetation and climate history of the northern Golan heights (Near East)

Holocene vegetation and climate history of the northern Golan heights (Near East)
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戈兰高地北部(近东)全新世植被和气候历史

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发表时间:
2007
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通讯作者:
M. Stein
M. Stein
中科院分区:
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文献类型:
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作者:
F. Neumann;C. Schölzel;T. Litt;A. Hense;M. Stein

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在本文中,我们提出和讨论的基础上,从比尔卡特拉姆火山口湖(北方戈兰,近东)的复合配置文件的孢粉学结果,以重建的环境历史,包括人类的影响,在过去的6500年。此外,我们应用一个新开发的植物气候学转换函数来重建气候变化的基础上,在北方戈兰高地的花粉数据集。Birkat Ram的记录受到了铜器时代/青铜时代早期、希腊化-罗马-拜占庭时期、十字军时期和现代时期花粉图中大量人为指标的强烈影响。所使用的古气候重建方法是基于贝叶斯方法,是强大的,在避免这些强大的人为信号的影响重建结果。该地区一直具有地中海气候条件,在过去的6500年中没有明显的气候变化。由于山的地形。戈兰高地北方的特殊地理位置显然能够缓冲降水量的大规模波动,近东几个地区的降水量波动已有记录。
In this paper we present and discuss palynological results based on a composite profile from Birkat Ram crater lake (Northern Golan, Near East) in order to reconstruct the environmental history, including human impact, of the last 6500 years. Furthermore we apply a newly-developed botanical climatological transfer function to reconstruct climate variations in the northern Golan Heights based on this pollen data-set. The Birkat Ram record is strongly influenced by anthropogenic indicators in the pollen diagram with high quantities during the Chalcolithic period/Early Bronze Age, during the Hellenistic-Roman-Byzantine periods, during the Crusader period and finally during modern times. The palaeoclimate reconstruction method used is based on a Bayesian approach and is robust in avoiding the influence of these strong anthropogenic signals on the reconstruction results. The area has always had Mediterranean climate conditions and no distinctive climate changes can be identified during the past 6500 years. Because of the orography of the Mt. Hermon region the particular geographical position of the northern Golan Heights is obviously capable of buffering large-scale fluctuations in precipitation, which have otherwise been documented for several regions in the Near East.