Table 1 Information for the OSL dating samples.
From: Late holocene overflow floods of the lower Yellow River led to the shrinkage of downstream lakes
Sample | Sample no. | Depth (cm) | U (ug/g) | Th(ug/g) | K (%) | Water content (%) | De (Gy) | Dose rate (Gy/ka) | Age (ka) | |
|---|---|---|---|---|---|---|---|---|---|---|
HZ -OSL-115 | HZ1.15 | 115 | 2.51 ± 0.13 | 12.7 ± 0.38 | 1.6 ± 0.05 | 25 | 4.64 ± 0.55 | 2.57 ± 0.09 | 1.80 ± 0.22 | |
HZ -OSL-180 | HZ1.8 | 180 | 1.96 ± 0.10 | 10.1 ± 0.30 | 1.78 ± 0.05 | 28 | 5.28 ± 0.96 | 2.39 ± 0.09 | 2.21 ± 0.41 | |