globalchange  > 过去全球变化的重建
DOI: 10.1016/j.quascirev.2015.10.041
Scopus记录号: 2-s2.0-84946854766
论文题名:
Tectonic and climatic control on terrace formation: Coupling in situ produced 10Be depth profiles and luminescence approach, Danube River, Hungary, Central Europe
作者: Ruszkiczay-Rüdiger Z.; Braucher R.; Novothny A.; Csillag G.; Fodor L.; Molnár G.; Madarász B.
刊名: Quaternary Science Reviews
ISSN: 2773791
出版年: 2016
卷: 131
起始页码: 127
结束页码: 147
语种: 英语
英文关键词: Cosmogenic 10Be exposure age ; Denudation rate ; Depth profiles ; Incision rate ; Post-IR IRSL ; Quaternary ; River terrace ; Uplift rate
Scopus关键词: Depth profiling ; Glacial geology ; Luminescence ; Tectonics ; Denudation rates ; Exposure age ; Incision rates ; Post-IR IRSL ; Quaternary ; River terraces ; Uplift rate ; Rivers ; climate variation ; coupling ; denudation ; geochronology ; glacial landform ; glaciation ; luminescence dating ; Pleistocene ; river terrace ; sedimentation ; terrace ; uplift ; Danube River ; Danube Valley ; Hungary ; Transdanubia
英文摘要: The terrace sequence of the Hungarian part of the Danube valley preserves a record of varying tectonic uplift rates along the river course and throughout several climate stages. To establish the chronology of formation of these terraces, two different dating methods were used on alluvial terraces: exposure age dating using in situ produced cosmogenic 10Be and luminescence dating. Using Monte Carlo approach to model the denudation rate-corrected exposure ages, in situ produced cosmogenic 10Be samples originated from vertical depth profiles enabled the determination of both the exposure time and the denudation rate. Post-IR IRSL measurements were carried out on K-feldspar samples to obtain the ages of sedimentation.The highest terrace horizon remnants of the study area provided a best estimate erosion-corrected minimum 10Be exposure age of >700 ka. We propose that the abandonment of the highest terrace of the Hungarian Danube valley was triggered by the combined effect of the beginning tectonic uplift and the onset of major continental glaciations of Quaternary age (around MIS 22). For the lower terraces it was possible to reveal close correlation with MIS stages using IRSL ages. The new chronology enabled the distinction of tIIb (~90 ka; MIS 5b-c) and tIIIa (~140 ka; MIS 6) in the study area. Surface denudation rates were well constrained by the cosmogenic 10Be depth profiles between 5.8 m/Ma and 10.0 m/Ma for all terraces. The calculated maximum incision rates of the Danube relevant for the above determined >700 ka time span were increasing from west (<0.06 mm/a) to east (<0.13 mm/a), toward the more elevated Transdanubian Range. Late Pleistocene incision rates derived from the age of the low terraces (~0.13-0.15 mm/a) may suggest a slight acceleration of uplift towards present. © 2015 Elsevier Ltd.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/59747
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作者单位: Hungarian Academy of Sciences (MTA), Research Centre for Astronomy and Earth Sciences, Institute for Geological and Geochemical Research, Budaörsi út 45, Budapest, Hungary; Aix-Marseille University, CEREGE, CNRS-IRD UM34, BP 80, Aix-en-Provence Cedex 4, France; Department of Physical Geography, Eötvös University, Pázmány P. sétány 1/C, Budapest, Hungary; Geological and Geophysical Institute of Hungary, Stefánia út 14, Budapest, Hungary; MTA-ELTE Geological, Geophysical and Space Research Group of the Hungarian Academy of Sciences at Eötvös Univ., Pázmány P. sétány 1/C, Budapest, Hungary; Hungarian Academy of Sciences (MTA), Research Centre for Astronomy and Earth Sciences, Geographical Institute, Budaörsi út 45, Budapest, Hungary

Recommended Citation:
Ruszkiczay-Rüdiger Z.,Braucher R.,Novothny A.,et al. Tectonic and climatic control on terrace formation: Coupling in situ produced 10Be depth profiles and luminescence approach, Danube River, Hungary, Central Europe[J]. Quaternary Science Reviews,2016-01-01,131
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