| 青藏铁路格尔木—唐古拉山口段主要线性构造ETM影像特征 |
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| 关键词:Qinghai-Xizang Railway linear structure image characteristics |
| 基金项目:中国地质调查局项目(20024013) |
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| 摘要: |
| Characteristics of Major Linear Structures Shown by ETM Data of the Geermu-Tanggula Mountain Pass Section along the Qinghai-Xizang Railway |
| The environment of the Geermu Tanggula mountain pass section along the Qinghai Xizang Railway is delicate, and the geological setting is complicated. ETM remote sensing data reveal that linear structures are distributed mainly along Nachihe, Wangkun, Wudaoliang, Erdaogou, and Queqiao sections. Linear structures always present straight or slightly wavelike linear images and stripe shaped tonal abnormality. Along the linear structures there are lots of fault valleys and fault facets, regularly arranged lakes and pools, and regularly varying flow directions of water systems. The linear structures along the Wangkun section are dense. There are many piedmont flabellate diluvia; the rivers in the water system run parallel with each other and turn simultaneously; contemporary earthquakes happen frequently. It is a region of fierce Neo tectonic movement. |
| WANG Lian-qing,XU Gang.2002.Characteristics of Major Linear Structures Shown by ETM Data of the Geermu-Tanggula Mountain Pass Section along the Qinghai-Xizang Railway[J].Acta Geoscientica Sinica,23(4):349-352. |
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