Journal of Geographical Sciences, Volume. 30, Issue 12, 2002(2020)
Holocene aeolian activities linked to Indian summer monsoon in the middle reaches of the Yarlung Zangbo River
Figures & Tables(6)
Fig. 1. Location of the study area (a) and distribution of aeolian sediment profiles in the middle reaches of the YZR (b). The boundary of westerlies and the ISM (dashed line; Chen
Fig. 2. Sediment logs and ages of aeolian sand and loess in the middle reaches of the YZR
Fig. 3. Comparison of the probability density curve for Holocene aeolian sediment ages in the middle reaches of the YZR (a) with other palaeoclimatic records: (b) summer insolation at 30°N (Berger and Loutre, 1991); (c) a lake-level record reconstructed by the PC1 grain size of the Lake Paru Co (Bird
Table 1.
OSL dating results of aeolian sediments in the YZR basin
View tableView in ArticleTable 1.
OSL dating results of aeolian sediments in the YZR basin
Sample Depth (cm) U (ppm) Th (ppm) K (%) Dose rate (Gy•ka‒1) De/Gy OSL age (ka) DRX-OSL 68-72 1.56±0.3 13.95±0.7 2.41±0.04 3.73±0.27 2.93±0.30 0.79±0.10 RM-OSL-1 28-32 2.64±0.039 17.8±0.025 2.46±0.026 4.36±0.32 7.99±0.40 1.83±0.29 RM-OSL-3 208-212 3.09±0.038 19.2±0.024 2.06±0.030 4.17±0.31 19.35±0.98 4.64±0.36 DPZ-OSL-3 436-440 4.16±0.034 18.2±0.025 2.36±0.028 4.76±0.35 8.37±0.42 1.76±0.18
Table 2.
Radiocarbon dating results of aeolian sediments in the YZR basin
View tableView in ArticleTable 2.
Radiocarbon dating results of aeolian sediments in the YZR basin
Sample Depth/cm Dating material Conventional 14C age (BP, 2σ) Calibrated14C age (BP, 2σ) SK-14C-1 435-439 Charcoal 2880±25 3005±37 WL-14C-1 50-55 Total organic matter 710±20 670±6
Table 3.
A dataset of synthesized ages of Holocene aeolian sediments in the middle reaches of the YZR
View tableView in ArticleTable 3.
A dataset of synthesized ages of Holocene aeolian sediments in the middle reaches of the YZR
Section Depth (cm) Dating method Dating material Age (ka/cal ka BP) Latitude (°N) Longitude (°E) Altitude (m asl) Source TB1 350 OSL Aeolian loess 2.70±0.20 29.3167 89.5500 3800 Sun et al. , 2007TB7 380 OSL Aeolian loess 11.00±1.20 29.3167 88.9167 3920 Sun et al. , 2007DAR1 300-325 14C Charcoal 3.15±0.08 — — — Kaiser et al. , 2009STA1 50 OSL Aeolian sand 2.90±0.20 29.6331 91.0978 3660 Kaiser et al. , 2009STA1 180 OSL Aeolian sand 4.10±0.40 29.6331 91.0978 3667 Kaiser et al. , 2009STA1 280 OSL Aeolian sand 6.70±0.50 29.6331 91.0978 3667 Kaiser et al. , 2009QUX 1 280 OSL Aeolian sand 8.50±0.70 29.3553 90.7234 3603 Kaiser et al. , 2009QUX 2 325-330 14C Charcoal 7.78±0.07 29.3659 90.7556 3536 Kaiser et al. , 2009Section 48 67-73 OSL Aeolian loess 8.80±3.90 29.7333 89.8167 4571 Lehmkuhl et al. , 2000Section 49 47-53 OSL Aeolian loess 7.80±1.20 29.7667 89.8500 4835 Lehmkuhl et al. , 2000LXD 170 OSL Aeolian loess 7.90±0.90 29.3275 89.5386 3797 Hu et al. , 2018LXD 98 OSL Aeolian loess 3.20±0.30 29.3275 89.5386 3797 Hu et al. , 2018Xigaze — 14C Organic matter 0.92±0.02 29.3057 88.8688 3811 Hu et al. , 2018TDD 87 OSL Aeolian loess 2.60±0.30 29.3372 90.3236 3687 Hu et al. , 2018TDD 195 OSL Aeolian loess 2.90±0.30 29.3372 90.3236 3687 Hu et al. , 2018TDD 285 OSL Aeolian loess 5.00±0.50 29.3372 90.3236 3687 Hu et al. , 2018JB 260 TL Aeolian sand 8.56±0.65 29.3969 89.3500 3890 Li et al ., 2010QS 430 TL Aeolian loess 8.85±0.53 29.3900 90.7578 4000 Li et al ., 2010GM 340 14C Organic matter 6.20±0.31 — — — Li et al ., 2010GM 531 TL Aeolian sand 8.30±0.30 — — — Li et al ., 2010Cha'er 65 14C Organic mattera 2.23±0.10 29.3895 89.2823 3856 Zheng et al ., 2009Cha'er 235 TL Aeolian sand 8.56±0.65 29.3895 89.2823 3856 Zheng et al ., 2009ZD 158 OSL Aeolian loess 5.90±0.20 29.2466 91.7120 3561 Zheng, 2009 ZD 628 OSL Aeolian sand 8.50±0.60 29.2466 91.7120 3561 Zheng, 2009 CGG 168 OSL Aeolian sand 1.82±0.16 29.3653 91.1491 3652 Li et al ., 2020CGG 287 OSL Aeolian sand 8.43±0.66 29.3653 91.1491 3652 Li et al ., 2020YJP1 0.4 OSL Sandy loess 1.90±0.10 29.4556 94.4693 2943 Ling et al. , 2020YJP1 0.9 OSL Sandy loess 3.90±0.30 29.4556 94.4693 2943 Ling et al. , 2020YJP1 1.4 OSL Sandy loess 4.40±0.30 29.4556 94.4693 2943 Ling et al. , 2020YJP1 1.9 OSL Sandy loess 4.30±0.30 29.4556 94.4693 2943 Ling et al. , 2020YJP1 2.5 OSL Sandy loess 5.10±0.40 29.4556 94.4693 2943 Ling et al. , 2020YJP1 3 OSL Sandy loess 3.20±0.20 29.4556 94.4693 2943 Ling et al. , 2020YJP1 3.6 OSL Sandy loess 8.30±0.60 29.4556 94.4693 2943 Ling et al. , 2020YJP2 1.7 OSL Sandy loess 110±0.90 29.4556 94.4693 2943 Ling et al. , 2020MLP 6.5 OSL Aeolian sand 4.50±0.30 29.1189 93.7781 3004 Ling et al. , 2020MLP 10 OSL Aeolian sand 6.20±0.50 29.1189 93.7781 3004 Ling et al. , 2020LXP 1.3 OSL Sandy loess 4.90±0.40 29.0668 92.7993 3172 Ling et al. , 2020LXP 2 OSL Sandy loess 6.50±0.50 29.0668 92.7993 3172 Ling et al. , 2020SRP 0.7 OSL Aeolian sand 0.40±0.10 29.2617 91.9873 3553 Ling et al. , 2020Section Depth (cm) Dating method Dating material Age (ka/cal ka BP) Latitude (°N) Longitude (°E) Altitude (m asl) Source SRP 1.4 OSL Aeolian sand 0.80±0.10 29.2617 91.9873 3553 Ling et al. , 2020SRP 2.1 OSL Aeolian sand 1.00±0.10 29.2617 91.9873 3553 Ling et al. , 2020SRP 2.8 OSL Aeolian sand 1.10±0.10 29.2617 91.9873 3553 Ling et al. , 2020SRP 3.5 OSL Aeolian sand 1.00±0.10 29.2617 91.9873 3553 Ling et al. , 2020SRP 4.2 OSL Aeolian sand 1.20±0.10 29.2617 91.9873 3553 Ling et al. , 2020SRP 4.9 OSL Aeolian sand 4.10±0.40 29.2617 91.9873 3553 Ling et al. , 2020LCP 2.9 OSL Sandy loess 9.20±0.80 29.3872 89.3254 3815 Ling et al. , 2020DRX 70 OSL Aeolian sand 0.79±0.10 29.3664 91.1494 3656 This study RM 30 OSL Aeolian loess 1.83±0.29 29.3528 88.4615 3876 This study RM 210 OSL Aeolian loess 4.64±0.36 29.3528 88.4615 3876 This study WL 52 14C Organic matter 0.67±0.01 29.1445 93.6766 3092 This study SK 437 14C Charcoal 3.01±0.04 29.2995 91.4115 3557 This study DPZ 438 OSL Aeolian sand 1.76±0.18 29.2835 91.6485 3584 This study
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Tuoyu LI, Jifeng ZHANG, Yongqiu WU, Shisong DU, Duowen MO, Yinan LIAO, Zhitong CHEN, Jianbao LIU, Qing LI. Holocene aeolian activities linked to Indian summer monsoon in the middle reaches of the Yarlung Zangbo River[J]. Journal of Geographical Sciences, 2020, 30(12): 2002
Paper Information
Category: Research Articles
Received: Mar. 20, 2020
Accepted: Oct. 15, 2020
Published Online: May. 7, 2021
The Author Email: ZHANG Jifeng (zhangjifeng@itpcas.ac.cn)
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