| 雅鲁藏布江加查段河流地貌对构造运动和气候的响应 |
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| 关键词:Yarlung Zangbo River Gyaca fluvial geomorphology tectonic movement |
| 基金项目:国家专项“深部探测技术与实验研究专项”(编号: Sinoprobe-02); 科技部重点国际合作项目“青藏高原深部探测在矿产资源评价中的应用研究”(编号: 2006DFB21330) |
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| 摘要: |
| Response of Fluvial Landform of the Gyaca Sector of the Yarlung Zangbo River to Tectonic Movement and Climate |
| Field investigations of the geomorphology of river valleys and tectonics in Gyaca sector of the Yarlung Zangbo River in Tibet show that the sector is characterized by a parallel type drainage pattern and narrow and wide valleys. The sector has undergone a tectonic evolution from collision through compression to extension, thus forming such tectonic deformation styles as folds-thrusts, strike-slip shear, rheological shear, normal faults and grabens. The geomorphology of river valleys in Gyaca sector has been controlled by tectonic movement and climate. The drainage system in Gyaca sector of the Yarlung Zangbo River has been formed by headward erosion along faults of different characteristics generated by tectonic movement and climate variation since Pliocene at least. |
| ZHU Song,ZHAO Xi-tao,WU Zhen-han.2011.Response of Fluvial Landform of the Gyaca Sector of the Yarlung Zangbo River to Tectonic Movement and Climate[J].Acta Geoscientica Sinica,32(3):349-356. |
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