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| Content Provider | Springer Nature Link |
|---|---|
| Author | Zeng, Lan hua Ou, Xian jiao Lai, Zhong ping Zhou, Shang zhe |
| Copyright Year | 2016 |
| Abstract | Poor bleaching is a significant problem for Optically Stimulated Luminescence (OSL) dating of glacial sediments. Five young glacial samples (including two modern analogues) from different depositional settings were collected beyond the Yingpu Glacier in the eastern Qinghai-Tibetan Plateau. De was determined using different OSL methods. The luminescence characteristics and dating results showed that the large aliquot quartz Blue Stimulated Luminescence (BSL) is more applicable than polymineral infrared stimulated luminescence (IRSL) method. Small aliquot quartz BSL results showed poor luminescence properties due to low luminescence sensitivity of quartz in this area. The dating results also indicated that glaciofluvial samples deposited close to ice margin (~40 m and ~700 m) and supraglacial debris dominated lateral moraine samples are relatively well-bleached, whereas samples from ground moraine and low terminal moraine were poorly bleached, probably due to containing subglacial and englacial debris. The residual doses of glaciofluvial and lateral moraine crest samples were below a few Gy and age overestimations were below a few hundred years. The ground moraine and low terminal moraine samples had residual doses as high as ~110 Gy, and ages were overestimated by ~15-17 ka. |
| Starting Page | 1174 |
| Ending Page | 1185 |
| Page Count | 12 |
| File Format | |
| ISSN | 16726316 |
| Journal | Journal of Mountain Science |
| Volume Number | 13 |
| Issue Number | 7 |
| e-ISSN | 19930321 |
| Language | English |
| Publisher | Science Press |
| Publisher Date | 2016-06-30 |
| Publisher Place | Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Glacial sediments Optically stimulated luminescence Quartz Residual age Qinghai-Tibetan Plateau Earth Sciences Geography Environment Ecology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Earth-Surface Processes Geography, Planning and Development Geology Global and Planetary Change Nature and Landscape Conservation |
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