Table S4.
OSL results from Lake Dali
| Sample number | Burial depth (m) | Water (%) | Grain size (µm) | K (%) | U (ppm) | Th (ppm) | Ext. α (μGy/y) | Ext. β (μGy/y) | Ext. γ (μGy/y) | Cosmic (μGy/y) | Total dose (μGy/y) | No. aliquots | OD (%) | De (Gy) | Age (ka) | Error (1σ) | Elevation (masl) | Material |
| DL 3_1 | 1.1 | 10 | 125–150 | 1.41 | 0.5 | 2.1 | 3 | 990 | 448 | 183 | 1,623 ± 44 | 13/13 | 36 | 199 ± 21 | 123 | 13 | 1,265 | Lake sediment |
| DL 7_1 | 0.6 | 5 | 90–125 | 1.4 | 1.3 | 4.9 | 7 | 1,206 | 681 | 203 | 2,097 ± 65 | 17/18 | 23 | 11.2 ± 0.7 | 5.3 | 0.4 | 1,269 | Beach ridges |
| DL 8_2 | 1 | 10 | 90–125 | 1.87 | 1.3 | 3.1 | 5 | 1,394 | 672 | 185 | 2,257 ± 81 | 18/18 | 17 | 11.9 ± 0.5 | 5.3 | 0.3 | 1,275 | Alluvium |
| DL 8_3 | 1.4 | 10 | 90–125 | 1.91 | 1.5 | 3 | 6 | 1,441 | 697 | 176 | 2,320 ± 69 | 18/18 | 18 | 11.5 ± 0.5 | 4.9 | 0.3 | 1,275 | Alluvium |
| DL 12_1 | 4 | 5 | 90–125 | 1.36 | 1.5 | 5.6 | 8 | 1,220 | 725 | 129 | 2,083 ± 69 | 17/17 | 17 | 12.8 ± 0.8 | 6.2 | 0.5 | 1,291 | Alluvium |
| DL 18_8 | 4.5 | 10 | 90–125 | 2.18 | 1.5 | 5.9 | 8 | 1,674 | 880 | 122 | 2,683 ± 80 | 6/6 | 11 | 314 ± 17 | >117 | 8 | 1,286 | Alluvium |
| DL 19_1 | 2.4 | 5 | 90–125 | 1.83 | 1.7 | 7.3 | 10 | 1,597 | 931 | 156 | 2,694 ± 72 | 18/18 | 16 | 21.1 ± 0.9 | 7.8 | 0.4 | 1,286 | Beach ridges |
| DL 22_2 | 0.8 | 5 | 90–125 | 2.41 | 2.1 | 8.9 | 12 | 2,069 | 1,179 | 176 | 3,436 ± 94 | 18/18 | 13 | 14.4 ± 0.5 | 4.2 | 0.2 | 1,252 | Alluvium |
| DL 25_11 | 2.6 | 15 | 90–125 | 2.41 | 1 | 2.9 | 4 | 1,605 | 714 | 152 | 2,476 ± 91 | 12/14 | 45 | 143 ± 12 | 58 | 5 | 1,244 | Lake sediment |
All samples used to produce Lake Dali lake-level curve, where OD is overdispersion and De is the equivalent dose.