globalchange  > 全球变化的国际研究计划
DOI: 10.1177/0959683619865590
WOS记录号: WOS:000480076200001
论文题名:
Unravelling the Holocene environmental history of south-western Iberia through a palynological study of Lake Medina sediments
作者: Schroeder, Tabea1; Antonio Lopez-Saez, Jose2; van'; t Hoff, Jasmijn3; Reicherter, Klaus1
通讯作者: Schroeder, Tabea
刊名: HOLOCENE
ISSN: 0959-6836
EISSN: 1477-0911
出版年: 2019
语种: 英语
英文关键词: Holocene ; Lake Medina ; pollen analysis ; Spain ; vegetation dynamics
WOS关键词: MESOLITHIC-NEOLITHIC TRANSITION ; CLIMATE-CHANGE ; CULTURAL DYNAMICS ; HUMAN IMPACT ; MULTI-PROXY ; MEDITERRANEAN REGION ; SOUTHWESTERN SPAIN ; MIDDLE HOLOCENE ; ALGARVE COAST ; VEGETATION
WOS学科分类: Geography, Physical ; Geosciences, Multidisciplinary
WOS研究方向: Physical Geography ; Geology
英文摘要:

Lake Medina is a small, shallow and endorheic salt lake sensitive to climate variation in south-western Spain, close to Cadiz in western Andalusia. It is located in an evaporitic and karstic environment, and a saline lake affected by highly seasonal precipitation and evaporation. Geochemical and mineralogical data of core CO1313 combined with a robust age model show variation that contributes to the understanding of palaeoenvironmental and palaeoclimatic change. This study shows a pollen record that has been conducted on core CO1313, together with charcoal and non-pollen palynomorph analyses. The environmental and climatological history reconstruction of Lake Medina starts in early Holocene times (at 9.5 cal. ka BP) and shows intensified pasture and land use during middle-Holocene times as well as the 8.2 and 4.2 cal. ka BP abrupt climate events. Oxidation of plant remnants and resulting non-preservation at certain times reinforces the hypothesis of intense climate effects on vegetation during the 4.2 cal. ka BP climate event. Yet, oxidation of plant residues during other episodes shows other periods that were also affected by reduced precipitation. From around 2 cal. ka BP onwards, a recent trend towards aridification and enforced seasonality was detected.


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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/143909
Appears in Collections:全球变化的国际研究计划

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作者单位: 1.Rhein Westfal TH Aachen, Inst Neotecton & Nat Hazards, Lochnerstr 4-20, D-52056 Aachen, Germany
2.CSIC, Inst Hist, Res Grp Archaeobiol, Madrid, Spain
3.Univ Cologne, Inst Geol & Mineral, Cologne, Germany

Recommended Citation:
Schroeder, Tabea,Antonio Lopez-Saez, Jose,van',et al. Unravelling the Holocene environmental history of south-western Iberia through a palynological study of Lake Medina sediments[J]. HOLOCENE,2019-01-01
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