globalchange  > 全球变化的国际研究计划
DOI: 10.1038/s41598-019-45200-4
WOS记录号: WOS:000474820500001
论文题名:
Predicting the loss of organic archaeological deposits at a regional scale in Greenland
作者: Hollesen, Jorgen1,2; Matthiesen, Henning1; Fenger-Nielsen, Rasmus1,2; Abermann, Jakob3,4; Westergaard-Nielsen, Andreas2; Elberling, Bo2
通讯作者: Hollesen, Jorgen
刊名: SCIENTIFIC REPORTS
ISSN: 2045-2322
出版年: 2019
卷: 9
语种: 英语
WOS关键词: CLIMATE-CHANGE ; ICE-SHEET ; SOIL ; CARBON ; VULNERABILITY ; GRADIENTS ; DYNAMICS ; TRENDS ; PART
WOS学科分类: Multidisciplinary Sciences
WOS研究方向: Science & Technology - Other Topics
英文摘要:

Across the Arctic, microbial degradation is actively destroying irreplaceable cultural and environmental records that have been preserved within archaeological deposits for millennia. Because it is not possible to survey the many sites in this remote part of the world, new methods are urgently needed to detect and assess the potential degradation. Here, we investigate organic deposits at seven archaeological sites located along the dominating west-east climatic gradient in West Greenland. We show that, regardless of age, depositional history and environmental conditions, all organic deposits are highly vulnerable to degradation. A state-of-the-art model that simulates the effect of future climate change on degradation indicates that 30-70% of the archaeological fraction of organic carbon (OC) could disappear within the next 80 years. This range reflects the variation within the climatic gradient and the future climate scenario applied (RCP 4.5 and RCP 8.5). All archaeological deposits are expected to experience a substantial loss, but the most rapid degradation seems to occur in the continental inland areas of the region, dominated by dry and warm summers. This suggests that organic remains from the Norse Viking Age settlers are especially under threat in the coming years.


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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/143284
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作者单位: 1.Natl Museum Denmark, Environm Archaeol & Mat Sci, DK-2800 Lyngby, Denmark
2.Univ Copenhagen, Ctr Permafrost CENPERM, Dept Geosci & Nat Resource Management IGN, Oster Voldgade 10, DK-1350 Copenhagen, Denmark
3.Asiaq, Greenland Survey, Postbox 1003, GL-3900 Nuuk, Greenland
4.Graz Univ, Dept Geog & Reg Sci, Heinrichstr 36, A-8010 Graz, Austria

Recommended Citation:
Hollesen, Jorgen,Matthiesen, Henning,Fenger-Nielsen, Rasmus,et al. Predicting the loss of organic archaeological deposits at a regional scale in Greenland[J]. SCIENTIFIC REPORTS,2019-01-01,9
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