globalchange  > 气候减缓与适应
DOI: 10.1016/j.quascirev.2017.12.015
Scopus记录号: 2-s2.0-85040779421
论文题名:
A multi-proxy approach to understanding complex responses of salt-lake catchments to climate variability and human pressure: A Late Quaternary case study from south-eastern, Spain
作者: Jones S.E.; Burjachs F.; Ferrer-García C.; Giralt S.; Schulte L.; Fernández-López de Pablo J.
刊名: Quaternary Science Reviews
ISSN: 2773791
出版年: 2018
卷: 184
起始页码: 201
结束页码: 223
语种: 英语
英文关键词: Aridity events ; Climate dynamics ; Geochemistry ; Holocene ; Human carrying capacity ; Lateglacial ; Salt lake ; Vegetation dynamics ; Western europe ; Western Mediterranean
Scopus关键词: Catchments ; Geochemistry ; Vegetation ; Water supply ; X ray diffraction ; Aridity events ; Climate dynamics ; Holocenes ; Lateglacial ; Salt lakes ; Vegetation dynamics ; Western Europe ; Western Mediterranean ; Lakes ; aridity ; Bronze Age ; carrying capacity ; catchment ; climate variation ; geochemistry ; human activity ; lacustrine deposit ; late glacial ; Mesolithic ; Neolithic ; paleoclimate ; Pleistocene-Holocene boundary ; proxy climate record ; Quaternary ; saline lake ; vegetation dynamics ; Alicante [Comunidad Valencia] ; Comunidad Valencia ; Spain ; Vinalopo River
英文摘要: This article focuses on a former salt lake in the upper Vinalopó Valley in south-eastern Spain. The study spans the Late Pleistocene through to the Late Holocene, although with particular focus on the period between 11 ka cal BP and 3000 ka cal BP (which spans the Mesolithic and part of the Bronze Age). High resolution multi-proxy analysis (including pollen, non pollen palynomorphs, grain size, X-ray fluorescence and X-ray diffraction) was undertaken on the lake sediments. The results show strong sensitivity to both long term and small changes in the evaporation/precipitation ratio, affecting the surrounding vegetation composition, lake-biota and sediment geochemistry. To summarise the key findings the main general trends identified include: 1) Hyper-saline conditions and low lake levels at the end of the Late Glacial 2) Increasing wetness and temperatures which witnessed an expansion of mesophilic woodland taxa, lake infilling and the establishment of a more perennial lake system at the onset of the Holocene 3) An increase in solar insolation after 9 ka cal BP which saw the re-establishment of pine forests 4) A continued trend towards increasing dryness (climatic optimum) at 7 ka cal BP but with continued freshwater input 5) An increase in sclerophyllous open woody vegetation (anthropogenic?), and increasing wetness (climatic?) is represented in the lake record between 5.9 and 3 ka cal BP 6) The Holocene was also punctuated by several aridity pulses, the most prominent corresponding to the 8.2 ka cal BP event. These events, despite a paucity of well dated archaeological sites in the surrounding area, likely altered the carrying capacity of this area both regionally and locally, particularly during the Mesolithic-Neolithic transition, in terms of fresh water supply for human/animal consumption, wild plant food reserves and suitable land for crop growth. © 2018 Elsevier Ltd
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/112271
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作者单位: IPHES, Institut Català de Paleoecologia Humana i Evolució Social, Campus Sescelades URV, edifici W3, Tarragona, 43007, Spain; ICREA, Catalan Institution for Research and Advanced Studies, Barcelona, Catalonia, Spain; SIP, Servei d'Investigació Prehistòrica València, Spain; ICTJA-CSIC, Institute of Earth Sciences Jaume Almera, Barcelona, Spain; Fluvalps-PaleoRisk Research Group, Department of Geography, University of Barcelona, Spain; URV, Universitat Rovira i Virgili, Tarragona, Catalonia, Spain; School of Geosciences, Department of Archaeology and Geography, University of Aberdeen, St. Mary's, Elphinstone Road, Aberdeen, Scotland AB24 3UF, United Kingdom

Recommended Citation:
Jones S.E.,Burjachs F.,Ferrer-García C.,et al. A multi-proxy approach to understanding complex responses of salt-lake catchments to climate variability and human pressure: A Late Quaternary case study from south-eastern, Spain[J]. Quaternary Science Reviews,2018-01-01,184
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