globalchange  > 过去全球变化的重建
DOI: 10.1016/j.palaeo.2013.06.022
论文题名:
A 2500-year multi-proxy reconstruction of climate change and human activities in northern Spain: The Lake Arreo record
作者: Corella J.P.; Stefanova V.; El Anjoumi A.; Rico E.; Giralt S.; Moreno A.; Plata-Montero A.; Valero-Garcés B.L.
刊名: Palaeogeography, Palaeoclimatology, Palaeoecology
ISSN: 0031-0182
出版年: 2013
卷: 386
起始页码: 555
结束页码: 568
语种: 英语
英文关键词: Iberian Peninsula ; Lake sedimentary facies ; Land use changes ; Late Holocene ; Paleohydrology
英文摘要: Lake Arreo sequence (western Ebro Basin, Spain) illustrates the century-scale climatic variability and human interactions in the landscape during the last 2.5. kyr in the low lands of northern Spain. Two sediment cores from shallow-water and deep-water environments were analyzed using sedimentological, geochemical, mineralogical, biological - diatoms, pollen and charcoal content - and radiometric techniques for absolute dating. The shallow-water sequence indicates a rapid evolution from an alluvial-influenced wetland prior to 7th century BC to a wetland during the Ibero-Roman Humid Period (BC 630-AD 465) and a deeper, carbonate producing lake during the Dark Ages Cold Period (AD 465-890). The deep-water core shows the transition from a more saline lake during the arid Medieval Climate Anomaly (MCA, AD 890-1300) to less saline, meromictic conditions, particularly since the onset of the Little Ice Age (LIA, AD 1300-1870). During the last 2.5. kyr, arid conditions occurred prior to 1st century AD, during the MCA and late 19th-mid 20th century while colder temperatures and relatively more humid conditions were more frequent during the Dark Ages, particularly the 7th century AD and the LIA. The evolution of the lake also reflects changes in grazing and agricultural practices since the Roman Period associated to the exploitation of nearby salt mining. Periods of intense human pressure on the lake watershed occurred during the High Middle Ages (AD 890-1180) and the Modern Period (AD 1600-1830). © 2013 Elsevier B.V.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/69660
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作者单位: Instituto Pirenaico de Ecología (IPE-CSIC), Avda Montañana 1005, 50059 Zaragoza, Spain; Museo Nacional de Ciencias Naturales (MNC-CSIC), C/Serrano 115bis, 28006 Madrid, Spain; Limnological Research Center, University of Minnesota, Minneapolis, MN 55455, United States; Universidad Autónoma de Madrid, Department of Ecology, c/Darwin 2, 28049 Madrid, Spain; Institute of Earth Sciences Jaume Almera (ICTJA-CSIC), C/Lluís Solé i Sabarís s/n, 08028 Barcelona, Spain; Fundación Valle Salado de Añana, Plaza Miguel Díaz de Tuesta, 01426 Salinas de Añana, Spain

Recommended Citation:
Corella J.P.,Stefanova V.,El Anjoumi A.,et al. A 2500-year multi-proxy reconstruction of climate change and human activities in northern Spain: The Lake Arreo record[J]. Palaeogeography, Palaeoclimatology, Palaeoecology,2013-01-01,386
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