| 内蒙古狼山-色尔腾山的剥蚀面序列 和景观发育的控制因素* |
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| 引用本文： | 程绍平,李传友,杨桂枝,任德风.内蒙古狼山-色尔腾山的剥蚀面序列 和景观发育的控制因素*[J].第四纪研究,2006,26(1):99-107. |
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| 作者姓名： | 程绍平 李传友 杨桂枝 任德风 |
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| 作者单位： | 中国地震局地质研究所,北京,100029 |
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| 摘 要： | 利用与现今地面有关的数字地形资料,确定了内蒙古河套裂谷带北翼狼山-色尔腾山的剥蚀面序列及其分布型式。始新世末期始发的裂谷作用导致该裂谷北翼在渐新世(E3)、中新世(N1)、上新世(N2)和第四纪(Q)发生了4幕区域性地面隆起和剥蚀作用,与裂谷盆地的4幕沉降和沉积作用相关联。区域性地面降起量和剥蚀作用的时间长度、流水侵蚀对局部地势的潜在影响、隆起和侵蚀速度的相对重要性,以及构造、侵蚀和均衡作用的联合效应是该裂谷翼部景观发育的主要控制因素。
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| 关 键 词： | 剥蚀面序列 裂谷作用 区域性地面隆起 剥蚀作用 景观发育 内蒙古狼山-色尔腾山 |
| 文章编号： | 1001-7410（2006）01-99-09 |
| 收稿时间： | 2005-07-22 |
| 修稿时间： | 2005-07-222005-09-29 |
THE DENUDATIONAL-SURFACE SEQUENCE AND CONTROLS ON THE LANDSCAPTE DEVELOPMENT IN THE LANGSHAN MOUNTAINS-SEERTENGSHAN MOUNTAINS,INNER MONGOLIA |
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| Cheng Shaoping,Li Chuanyou,Yang Guizhi,Ren Defeng.THE DENUDATIONAL-SURFACE SEQUENCE AND CONTROLS ON THE LANDSCAPTE DEVELOPMENT IN THE LANGSHAN MOUNTAINS-SEERTENGSHAN MOUNTAINS,INNER MONGOLIA[J].Quaternary Sciences,2006,26(1):99-107. |
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| Authors: | Cheng Shaoping Li Chuanyou Yang Guizhi Ren Defeng |
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| Institution: | Institute of Geology, China Earthquake Administration, Beijing 100029 |
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| Abstract: | The denudational-surface sequence and its distribution pattern in the Langshan Mountains-Seertengshan Mountains on the northern flank of the Hetao Rift Zone,Inner Mongolia,have been defined in terms of numerical data associated with the present ground surface.The rifting that initiated at the end of Eocene has caused four regional surface uplifts and denudations in Oligocene(E_(3)),Miocene(N_(1)),Pliocene(N_(2)),and Quaternary(Q),respectively.They can be well correlated with the episodic subsidence and sedimentation occurred in the rifted basins.The distribution of the height and width of the denudational-surfaces is variable along the mountains.The controls on landscape development for the Langshan Mountains-Seertengshan Mountains include: 1)the amount of surface uplift and the time-length of denudation,2)the potential influence of fluvial erosion on local relief,3)the relative intensity of uplift and erosion rates,and 4)the combined effects of tectonic movement,erosion,and isostasy. |
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| Keywords: | denudational-surface sequence rifting regional surface uplift denudation landscape development Langshan Mountains- Seertengshan Mountains Inner Mongolia |
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