globalchange  > 气候减缓与适应
DOI: 10.1016/j.quaint.2018.03.031
WOS记录号: WOS:000462598100002
论文题名:
Fluvial terrace formation and controls in the Lower River Danube, SE Romania
作者: Armas, Iuliana1; Necea, Diana2; Miclaus, Crina3
通讯作者: Armas, Iuliana
刊名: QUATERNARY INTERNATIONAL
ISSN: 1040-6182
EISSN: 1873-4553
出版年: 2019
卷: 504, 页码:5-23
语种: 英语
WOS关键词: DRIVEN VALLEY INCISION ; UPPER HUNTER CATCHMENT ; BLACK-SEA ; LANDSCAPE EVOLUTION ; CLIMATE-CHANGE ; MEDITERRANEAN SEA ; BEND ZONE ; LEVEL ; PLEISTOCENE ; HOLOCENE
WOS学科分类: Geography, Physical ; Geosciences, Multidisciplinary
WOS研究方向: Physical Geography ; Geology
英文摘要:

The Black Sea climatically-driven level change is the main control of the Lower Danube incision and aggradation in the long-term subsiding setting of the Eastern Romanian Plain. The interglacial episodes of aggradation suggest a decreasing fluvial accommodation. While T4 terrace fill partially buried the cut terrace T5 in the upstream part of the studied area (Lower Danube-Arges-Dambovita), younger deposition did not compensate the previous incisions. Black Sea level fallings during glaciations were followed by Lower Danube incisions which propagated upward through knickpoints. Loess deposits can be correlated with these periods. Five episodes of incision were recognized based on terrace levels T5 to T1. Their ages and of the covering loess were obtained through optically stimulated luminescence (OSL) and were correlated with MIS 6 - MIS 3 and classic glacial chronological events (latest Rissian-middle Wurmian). The maximum limiting age of Danube oldest terrace (T5) in the studied area is 141 +/- 25 kyr, while of the youngest (T1) is 50 +/- 6 kyr. The equivalent terraces on tributaries are younger. The time delays between terrace incisions on the Lower Danube system were estimated. The 32.7-15.9 kyr Danube floodplain deposits and the 5 kyr forests buried up to 7 m under Arges floodplain suggest that younger than 44-40 kyr terraces may be buried.


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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/124859
Appears in Collections:气候减缓与适应

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作者单位: 1.Univ Bucharest, Fac Geog, Dept Geomorphol Pedol Geornat, Nicolae Balcescu 1,Sect 1, Bucharest 010041, Romania
2.Papyruspad 95, NL-2283 HG Rijswijk ZH, Netherlands
3.Alexandru Ioan Cuza Univ, Dept Geol, 21A,Carol 1 Blvd, Iasi 700505, Romania

Recommended Citation:
Armas, Iuliana,Necea, Diana,Miclaus, Crina. Fluvial terrace formation and controls in the Lower River Danube, SE Romania[J]. QUATERNARY INTERNATIONAL,2019-01-01,504:5-23
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