克里雅河下游沉积物的光释光年龄与晚更新世末以来沙漠的形成
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张峰, 王姣, 马丽, 迪丽拜尔·吐尔孙
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OSL chronology reveals Late Pleistocene floods and the impact on landform evolution at the lower reaches of the Keriya River in the Taklamakan Desert
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ZHANG Feng, WANG Jiao, MA Li, TURSUN·Dilibaier
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表1 克里雅河下游沉积物样品光释光年龄
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Tab. 1 OSL ages of the sediment samples at the lower reaches of the Keriya River in the Taklamakan Desert
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剖面 | 实验室号 | 野外编号 | U(ppm) | Th(ppm) | K(%) | 等效剂量(Gy) | 年剂量(Gy/ka) | 年龄(ka) | KU1 | 10G-268 | 080318-9 | 2.48±0.09 | 9.64±0.28 | 1.78±0.06 | 16.69±0.80 | 3.63±0.15 | 4.6±0.30 | KU2 | 10G-269 | 080319-3 | 2.50±0.09 | 11.1±0.31 | 1.61±0.06 | 12.37±0.56 | 3.62±0.15 | 3.4±0.20 | KU4 | 10G-270 | 080321-1 | 1.69±0.07 | 7.50±0.23 | 1.73±0.06 | 23.10±1.09 | 3.13±0.13 | 7.4±0.40 | KU11 | 10G-271 | 081016-2 | 3.16±0.11 | 14.2±0.38 | 1.70±0.06 | 47.03±1.46 | 4.23±0.17 | 11.1±0.60 | KU12 | 10G-272 | 081022-3 | 2.10±0.08 | 8.00±0.24 | 1.87±0.06 | 30.00±0.57 | 3.44±0.10 | 8.7±0.40 | KU13 | 10G-273 | 081030-8 | 2.27±0.09 | 6.91±0.23 | 1.76±0.06 | 138.59±3.03 | 3.30±0.13 | 39.6±1.80 | KU14 | 10G-275 | 081104-1 | 1.96±0.08 | 7.75±0.23 | 1.68±0.06 | 20.09±0.22 | 3.20±0.16 | 6.3±0.30 | KU15 | 10G-276 | 081106-2 | 1.87±0.07 | 7.12±0.21 | 1.82±0.06 | 24.34±0.24 | 3.25±0.10 | 7.5±0.30 | KU10 | 10G-277 | 081015-9 | 1.91±0.07 | 9.55±0.28 | 1.81±0.06 | 153.42±8.79 | 3.48±0.17 | 44.1±3.10 | KU18 | 11G-228 | 20110215-4 | 2.27 | 7.77 | 1.67 | 16.73±0.66 | 2.99 | 5.6±0.30 | KU19 | 11G-229 | 20110220-3 | 2.07 | 8.52 | 1.69 | 20.38±0.48 | 3.37 | 6.0±0.30 | KD1 | 11G-234 | 26-9 | 1.87 | 7.86 | 1.54 | 24.32±1.55 | 2.76 | 8.8±0.70 | KD2 | 11G-235 | 26-10 | 1.99 | 6.68 | 1.69 | 11.64±0.33 | 3.21 | 3.6±0.20 | KU3 | 12009-28 | 080319-21 | 2.59±0.10 | 6.59±0.20 | 1.78±0.05 | 42.44±1.83 | 2.93±0.08 | 14.50±0.74 | KU3 | 12009-29 | 080319-23 | 2.30±0.09 | 8.06±0.23 | 1.58±0.05 | 40.44±1.11 | 2.77±0.09 | 14.59±0.67 | KU3 | 12009-30 | 080319-25 | 2.40±0.09 | 8.06±0.23 | 1.73±0.05 | 44.26±2.89 | 3.27±0.12 | 13.53±0.90 | KU5 | 12009-32 | 081013-7 | 2.5±0.09 | 9.26±0.26 | 1.8±0.05 | 16.52±0.63 | 3.13±0.09 | 5.28±0.25 | KU16 | 12009-37 | 081107-1 | 2.52±0.09 | 8.63±0.25 | 1.72±0.05 | 11.18±1.83 | 3.00±0.08 | 3.72±0.62 |
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