DOI: 10.1016/j.quascirev.2019.02.008
Scopus记录号: 2-s2.0-85061581039
论文题名: Solar controls of fire events during the past 600,000 years
作者: Kappenberg A. ; Lehndorff E. ; Pickarski N. ; Litt T. ; Amelung W.
刊名: Quaternary Science Reviews
ISSN: 2773791
出版年: 2019
卷: 208 起始页码: 97
结束页码: 104
语种: 英语
英文关键词: 600,000-year continental record
; Black carbon
; Eccentricity
; Fire cyclicity
; Global climate change
; Paleolimnology
Scopus关键词: Climate change
; Fires
; Lakes
; Orbits
; Organic carbon
; Paleolimnology
; Vegetation
; 600,000-year continental record
; Black carbon
; Cyclicity
; Eccentricity
; Global climate changes
; Sediments
; black carbon
; climate change
; climate conditions
; eccentricity
; global climate
; organic carbon
; paleoclimate
; paleoenvironment
; paleolimnology
; vegetation type
; Lake Van
; Turkey
英文摘要: Fires have accompanied terrestrial life from the beginning, yet with incomplete knowledge about feedback to paleoclimate and vegetation. Here, we have assessed how climate triggered the activity of vegetation fires in a 600,000 years continental record. We recorded benzene polycarboxylic acids as markers for burned organic carbon residues (BC) in sediments of Lake Van (Turkey), one of the oldest lacustrine archives currently available on Earth. Though fire and BC peaks were assumed to occur during dry climates, BC concentration and related fire temperatures were largest during periods of warm/humid climatic conditions. During humid periods, we recorded up to 45 mg BC per cm 3 sediment (precipitation ∼ 800 mm/a), while BC amounts during dry climates were smaller by a factor of 10 (<5 mg BC per cm 3 sediment, precipitation < 200 mm/a). Overall, BC concentration in Lake Van sediments paralleled that in other lake sediments. They all following orbital forcing, showing that fires events peak globally with a cyclicity of ∼100,000 years. © 2019 Elsevier Ltd Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/117364
Appears in Collections: 气候变化与战略
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Recommended Citation:
Kappenberg A.,Lehndorff E.,Pickarski N.,et al. Solar controls of fire events during the past 600,000 years[J]. Quaternary Science Reviews,2019-01-01,208