Research Article

Millennial-Scale Asian Monsoon Influenced Longjie Lake Evolution during Marine Isotope Stage 3, Upper Stream of Changjiang (Yangtze) River, China

Table 1

Optically stimulated luminescence dating results of the YA core.

Longjie YA coreDepth (m)U (ppm)Th (ppm)K (%)De (Gy)Dr (Gy/ka)Water (%)Age (ka)

Y-l11.12.66 ± 0.01512.60 ± 0.21.58 ± 0.05116.21 ± 5.553.68 ± 0.3812.45 ± 531.6 ± 2.2
Y-215.22.70 ± 0.01511.50 ± 0.21.48 ± 0.05147.86 ± 3.303.32 ± 0.2020.91 ± 544.5 ± 3.5
Y-624.53.06 ± 0.01515.60 ± 0.22.23 ± 0.05227.31 ± 1.214.21 ± 0.1730.15 ± 554.0 ± 5.9
Y-830.02.36 ± 0.01513.40 ± 0.22.05 ± 0.05220.57 ± 5.903.70 ± 0.1527.14 ± 559.6 ± 7.0