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Holocene OSL Chronology of Flu-Lacustrine Sediments in Yangtze River Basin, Wuhan Area, China

Chuanyi Wei

Chuanyi Wei

School of Earth Sciences, China University of GeosciencesWuhan, China
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Wei, Chuanyi
, 
Huasong Zhang

Huasong Zhang

School of Earth Sciences, China University of GeosciencesWuhan, China
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Zhang, Huasong
, 
Chang’an Li

Chang’an Li

  • School of Earth Sciences, China University of GeosciencesWuhan, China
  • Hubei Key Laboratory of Critical Zone Evolution, China University of GeosciencesWuhan, China
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Li, Chang’an
, 
Yufen Zhang

Yufen Zhang

Institute of Geophysics and Geomatics, China University of GeosciencesWuhan, China
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Zhang, Yufen
, 
Yawei Li

Yawei Li

School of Earth Sciences, China University of GeosciencesWuhan, China
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Li, Yawei
, 
Mingming Jia

Mingming Jia

School of Earth Sciences, China University of GeosciencesWuhan, China
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Jia, Mingming
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Guoqing Li

Guoqing Li

School of Earth Sciences, China University of GeosciencesWuhan, China
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Li, Guoqing
 and 
Yonghui Leng

Yonghui Leng

School of Earth Sciences, China University of GeosciencesWuhan, China
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Leng, Yonghui
  
Dec 31, 2021
Holocene OSL Chronology of Flu-Lacustrine Sediments in Yangtze River Basin, Wuhan Area, China's Cover Image
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Article Category: Conference Proceedings of the 5Asia Pacific Luminescence and Electron Spin Resonance Dating Conference October 15–17, 2018, Beijing, China. Guest Editor: Grzegorz Adamiec
Published Online: Dec 31, 2021
Page range: 284 - 293
Received: Dec 20, 2018
Accepted: Nov 07, 2019
DOI: https://doi.org/10.2478/geochr-2020-0012
Keywords
© 2018 Chuanyi Wei et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Fig. 1

Location of core HH-2017. a) and b) Wuhan area located in middle Yangtze River Basin is dominated by East Asian monsoon; c) map showing hundreds of lakes and rivers developed in Wuhan area; core HH-2017 was drilled in left bank of Yangtze River.
Location of core HH-2017. a) and b) Wuhan area located in middle Yangtze River Basin is dominated by East Asian monsoon; c) map showing hundreds of lakes and rivers developed in Wuhan area; core HH-2017 was drilled in left bank of Yangtze River.

Fig. 2

Drilling information and profile sketches locating the stratigraphic sampling location for the OSL dating. Before 4.25 m, it is artificial backfill layer while it is gravel layer after 38.55 m; thus, 20 samples totally were collected for OSL dating from 4.25 to 38.55 m.
Drilling information and profile sketches locating the stratigraphic sampling location for the OSL dating. Before 4.25 m, it is artificial backfill layer while it is gravel layer after 38.55 m; thus, 20 samples totally were collected for OSL dating from 4.25 to 38.55 m.

Fig. 3

Luminescence characteristics of sample HH-2017-12 under different preheat temperature. a) preheat plateau tests; b) dose recovery test; c) recycling ratio; and d) thermo transfer ratio.
Luminescence characteristics of sample HH-2017-12 under different preheat temperature. a) preheat plateau tests; b) dose recovery test; c) recycling ratio; and d) thermo transfer ratio.

Fig. 4

Growth and decay curves of sample HH-2017-10 and HH-2017-23.
Growth and decay curves of sample HH-2017-10 and HH-2017-23.

Fig. 5

Plot of OSL ages against the depth of core HH-2017.
Plot of OSL ages against the depth of core HH-2017.

Sample number and its sampling depth as well as environmental radioactivity and OSL dating results of HH-2017_

Sample ID Depth (m) Dating grain size (μm) K (%) Th (ppm) U (ppm) Water content (%) No. of aliquots Dose rate (Gy/ka) Final De (Gy) OSL age (ka)
HH-2017-01 4.25 4 ∼ 11 2.52 ± 0.07 15.70 ± 0.42 2.94 ± 0.11 29 ± 5 11b 3.1 ± 0.2 2.6 ± 0.3 0.8 ± 0.1
HH-2017-02 5.17 4 ∼ 11 2.71 ± 0.08 15.00 ± 0.40 2.66 ± 0.10 27 ± 5 12b 3.3 ± 0.2 1.1 ± 0.1 0.4 ± 0.0
HH-2017-03 6.25 4 ∼ 11 2.45 ± 0.07 13.60 ± 0.38 3.32 ± 0.13 30 ± 5 12b 3.0 ± 0.2 2.5 ± 0.1 0.8 ± 0.1
HH-2017-04 7.25 4 ∼ 11 2.59 ± 0.08 15.60 ± 0.42 2.89 ± 0.11 35 ± 5 12b 2.8 ± 0.2 2.7 ± 0.0 1.0 ± 0.1
HH-2017-05 8.28 4 ∼ 11 2.23 ± 0.07 14.20 ± 0.38 2.40 ± 0.10 27 ± 5 12b 2.8 ± 0.2 2.2 ± 0.1 0.8 ± 0.1
HH-2017-06 10.05 38 ∼ 63 1.75 ± 0.06 13.80 ± 0.39 2.38 ± 0.10 35 ± 5 6a+11b 2.0 ± 0.1 8.0 ± 0.2 3.9 ± 0.2
HH-2017-07 12.56 38 ∼ 63 2.03 ± 0.06 11.40 ± 0.32 2.15 ± 0.09 26 ± 5 6a+12b 2.4 ± 0.2 12.6 ± 0.2 5.2 ± 0.4
HH-2017-08 13.59 38 ∼ 63 1.88 ± 0.06 12.30 ± 0.34 2.13 ± 0.09 26 ± 5 6a+12b 2. 4 ± 0.2 12.0 ± 0.3 5.1 ± 0.4
HH-2017-09 14.24 38 ∼ 63 2.07 ± 0.06 14.60 ± 0.39 2.40 ± 0.09 28 ± 5 6a+12b 2. 6 ± 0.2 12.5 ± 0.2 4.9 ± 0.4
HH-2017-10 15.41 90 ∼ 125 1.92 ± 0.06 10.70 ± 0.31 2.11 ± 0.09 30 ± 5 6a+12b 2.2 ± 0.2 14.0 ± 0.5 6.6 ± 0.5
HH-2017-11 16.53 90 ∼ 125 1.65 ± 0.05 8.50 ± 0.26 1.45 ± 0.07 24 ± 5 6a+12b 1.9 ± 0.1 12.1 ± 0.3 6.3 ± 0.5
HH-2017-12 17.70 90 ∼ 125 1.64 ± 0.05 7.90 ± 0.25 1.88 ± 0.08 25 ± 5 6a+12b 1.9 ± 0.1 11.5 ± 0.2 6.0 ± 0.4
HH-2017-13 18.90 90 ∼ 125 1.44 ± 0.05 12.90 ± 0.36 1.97 ± 0.09 22 ± 5 5a+12b 2.2 ± 0.2 15.3 ± 0.5 7.1 ± 0.5
HH-2017-15 22.34 90 ∼ 125 1.50 ± 0.05 10.00 ± 0.29 1.47 ± 0.07 21 ± 5 5a+12b 2.0 ± 0.1 11.9 ± 0.4 6.1 ± 0.5
HH-2017-17 24.74 90 ∼ 125 1.61 ± 0.05 11.00 ± 0.31 1.52 ± 0.07 24 ± 5 6a+11b 2.0 ± 0.1 13.9 ± 0.8 6.9 ± 0.6
HH-2017-19 27.01 90 ∼ 125 2.11 ± 0.06 6.84 ± 0.23 1.12 ± 0.06 27 ± 5 6a+12b 2.0 ± 0.2 16.0 ± 0.6 8.0 ± 0.7
HH-2017-21 34.11 90 ∼ 125 1.69 ± 0.06 6.53 ± 0.22 1.11 ± 0.06 17 ± 5 6a+12b 2.0 ± 0.2 16.1 ± 0.8 8.2 ± 0.7
HH-2017-22 35.26 90 ∼ 125 2.00 ± 0.06 13.50 ± 0.38 3.04 ± 0.12 21 ± 5 6a+12b 2. 9 ± 0.2 28.0 ± 1.0 10.0 ± 0.8
HH-2017-23 35.95 90 ∼ 125 1.90 ± 0.06 12.50 ± 0.35 2.17 ± 0.09 22 ± 5 6a+12b 2.6 ± 0.2 22.5 ± 0.6 8.9 ± 0.7
HH-2017-25 38.55 90 ∼ 125 2.25 ± 0.06 7.74 ± 0.25 1.40 ± 0.07 10 ± 5 6a+6b 2.8 ± 0.2 21.8 ± 0.9 7.9 ± 0.7
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