Luminescence fingerprints fluvial sediment transport from the Tibetan Plateau to the Bangladesh Delta
文献类型：期刊论文
| 作者 | Zhang, Aimin2,4; Gao, Qihui3; Rahman, Sufi Mostafizur1; Alam, Muhammad Mahbubul1; Guo, Yujie5; Chen, Yiwei6 ; Chen, Jie7; Wang, Huiying4; Wang, Ping4; Zhang, Jiafu8
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| 刊名 | EARTH AND PLANETARY SCIENCE LETTERS
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| 出版日期 | 2023-11-15 |
| 卷号 | 622页码:12 |
| 关键词 | sediment fingerprint Yarlung Tsangpo river Brahmaputra river luminescence properties |
| ISSN号 | 0012-821X |
| DOI | 10.1016/j.epsl.2023.118387 |
| 英文摘要 | Fluvial sediment fingerprinting employs various methods, directly link sink and source. However, the identification and quantification of the transformation that sediments experience during fluvial transport remain unclear. The luminescence properties of quartz and K-feldspar change during the burial/exposure to sunlight cycles undergone by fluvial sediments, potentially allow scientists to trace fluvial sediment transport. Here, we report on changes in luminescence properties in active river bars from source to sink along the Yarlung Tsangpo-Brahmaputra River system. Optically stimulated luminescence (OSL) sensitivities and residual doses of quartz and K-feldspar within the fluvial sediments are used for the fingerprint method. Source rock is identified as the primary determinant of regional variations in quartz OSL sensitivities within fluvial sediments along the Yarlung Tsangpo River, while transportation distance governs local changes. Samples from narrower river channels with higher normalized channel steepnesses (Ksn) along the Yarlung Tsangpo River exhibit higher residual doses. Furthermore, the Brahmaputra River exhibits higher residual dose values compared to the Old Brahmaputra River. The sediments' residual doses are therefore employed to fingerprint fluvial erosion ability. Our luminescence fingerprint results indicate that coarse-grained fractions experience a "dilution" effect due to the input of new sediments after traveling approximately 50-200 km along the Yarlung Tsangpo River and about 50-100 km along the Brahmaputra-Old Brahmaputra River course. The comparison of luminescence (quartz and feldspar) and detrital zircon fingerprinting within the fluvial sediment holds the potential to trace weathering and erosion cycles during transportation in large river contexts. (c) 2023 Elsevier B.V. All rights reserved. |
| WOS研究方向 | Geochemistry & Geophysics |
| 语种 | 英语 |
| WOS记录号 | WOS:001084298100001 |
| 源URL | [http://ir.gig.ac.cn/handle/344008/78827]  |
| 专题 | 同位素地球化学国家重点实验室 |
| 通讯作者 | Hu, Gang |
| 作者单位 | 1.Jahangirnagar Univ, Dept Archaeol, Dhaka 1342, Bangladesh 2.Chinese Acad Sci NIGLAS, State Key Lab Lake Sci & Environm, Nanjing Inst Geog & Limnol, Nanjing 210008, Peoples R China 3.Hydrochina Kunming Engn Corp, Kunming 650033, Peoples R China 4.China Earthquake Adm, Inst Geol, State Key Lab Earthquake Dynam, Beijing 100029, Peoples R China 5.Hebei Normal Univ, Inst Nihewan Archaeol, Shijiazhuang 050024, Hebei, Peoples R China 6.Chinese Acad Sci, State Key Lab Isotope Geochem, Guangzhou Inst Geochem, Guangzhou 510640, Peoples R China 7.China Univ Geosci, Beijing 100083, Peoples R China 8.Peking Univ, Dept Geog, Key Lab Earth Surface Proc, Beijing 100871, Peoples R China 9.Tibet Univ, Key Lab Cosm Rays, Minist Educ, Lhasa 850000, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zhang, Aimin,Gao, Qihui,Rahman, Sufi Mostafizur,et al. Luminescence fingerprints fluvial sediment transport from the Tibetan Plateau to the Bangladesh Delta[J]. EARTH AND PLANETARY SCIENCE LETTERS,2023,622:12. |
| APA | Zhang, Aimin.,Gao, Qihui.,Rahman, Sufi Mostafizur.,Alam, Muhammad Mahbubul.,Guo, Yujie.,...&Hu, Gang.(2023).Luminescence fingerprints fluvial sediment transport from the Tibetan Plateau to the Bangladesh Delta.EARTH AND PLANETARY SCIENCE LETTERS,622,12. |
| MLA | Zhang, Aimin,et al."Luminescence fingerprints fluvial sediment transport from the Tibetan Plateau to the Bangladesh Delta".EARTH AND PLANETARY SCIENCE LETTERS 622(2023):12. |
入库方式： OAI收割
来源：广州地球化学研究所
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