globalchange  > 全球变化的国际研究计划
DOI: 10.1111/bre.12383
WOS记录号: WOS:000476077300001
论文题名:
Climatically controlled lacustrine clinoforms: Theory and modelling results
作者: Zhang, Jinyu; Olariu, Cornel; Steel, Ronald; Kim, Wonsuck
通讯作者: Zhang, Jinyu
刊名: BASIN RESEARCH
ISSN: 0950-091X
EISSN: 1365-2117
出版年: 2019
语种: 英语
英文关键词: modelling ; sedimentology ; stratigraphy
WOS关键词: FLUVIAL SEDIMENT ; CLIMATE-CHANGE ; DEEP-WATER ; DELIVERY ; SYSTEMS ; BASINS ; DELTAS ; CYCLES ; RECORD
WOS学科分类: Geosciences, Multidisciplinary
WOS研究方向: Geology
英文摘要:

Lacustrine basins and their deposits are good paleoclimate recorders and contain rich energy resources. Shelf-margin clinoforms do exist in deep lacustrine basins, but with striking differences from those in deep marine basins, caused by a correlation between the river-derived sediment supply and the lake level. This study uses empirical relationships to calculate the water and sediment discharge from rivers and coeval lake level during wet-dry cycles at 10 s of ky time scale. Sediment supply and lake-level changes are used for a stratigraphic forward model to understand how lacustrine clinoforms develop under different climate conditions. The results show that both wet and dry cycles can be associated with thick deep-water fan deposits, supporting the existing climate-driven lacustrine model proposed based on field data (e.g. Neogene Pannonian Basin and Eocene Uinta Basin). The wet period with high sediment supply and rising lake level creates the highly aggradational shelf, progradational slope and thick bottomset deposits. This is contrary from marine basin settings where the presence of rising shelf-margin trajectory commonly indicates limited deep-water fan deposits. This work suggests marine-based stratigraphic models cannot be directly applied to lacustrine basins.


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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/143468
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作者单位: Univ Texas Austin, Jackson Sch Geosci, 23 San Jacinto Blvd & E 23rd St, Austin, TX 78712 USA

Recommended Citation:
Zhang, Jinyu,Olariu, Cornel,Steel, Ronald,et al. Climatically controlled lacustrine clinoforms: Theory and modelling results[J]. BASIN RESEARCH,2019-01-01
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