Table 2. Proxies for organic matter source.
Depth (cm) | ACL | TARHC | Paq | Age | Dating Method |
---|---|---|---|---|---|
4 | 28.72 | 0.15 | 0.47 | 2012 | 210Pb-AD |
14 | 29.67 | 0.44 | 0.29 | 1998 | 210Pb-AD |
36 | 29.27 | 2.56 | 0.30 | 1943 | 210Pb-AD |
44 | 28.99 | 6.62 | 0.38 | 1912 | 210Pb-AD |
70 | 29.17 | 6.93 | 0.30 | 900 | C14-yrs BP |
120 | 29.05 | 7.02 | 0.34 | 1920 | C14-yrs BP |
134 | 28.44 | 28.86 | 0.31 | 2400 | C14-yrs BP |
150 | 29.38 | 19.48 | 0.25 | 2780 | C14-yrs BP |
177 | 29.31 | 44.10 | 0.24 | 3570 | C14-yrs BP |
206 | 29.12 | 19.48 | 0.29 | 4770 | C14-yrs BP |
229 | 29.25 | 32.83 | 0.23 | 4840 | C14-yrs BP |
252 | 29.27 | 15.01 | 0.27 | 5200 | C14-yrs BP |
269 | 29.29 | 26.94 | 0.21 | 5450 | C14-yrs BP |
282 | 29.48 | 13.61 | 0.24 | 5620 | C14-yrs BP |
297 | 27.50 | 3.32 | 0.61 | 5840 | C14-yrs BP |
313 | 29.06 | 7.61 | 0.42 | 6050 | C14-yrs BP |
330 | 26.92 | 3.12 | 0.81 | 6250 | C14-yrs BP |
343 | 29.50 | 13.76 | 0.24 | 6430 | C14-yrs BP |
358 | 29.53 | 14.86 | 0.22 | 6740 | C14-yrs BP |
362 | 29.73 | 1.57 | 0.21 | 6830 | C14-yrs BP |
382 | 28.71 | 2.08 | 0.22 | 7770 | C14-yrs BP |
404 | 29.64 | 1.72 | 0.30 | 7850 | C14-yrs BP |
417 | 30.15 | 13.94 | 0.12 | 8020 | C14-yrs BP |
430 | 29.85 | 74.75 | 0.13 | 8170 | C14-yrs BP |
462 | 29.43 | 4.80 | 0.20 | 8480 | C14-yrs BP |
490 | 29.29 | 45.66 | 0.29 | 8830 | C14-yrs BP |
510 | 29.45 | 1.46 | 0.34 | 9300 | C14-yrs BP |
530 | 29.97 | 51.22 | 0.32 | 9470 | C14-yrs BP |
550 | 29.03 | 11.58 | 0.37 | 9830 | C14-yrs BP |
570 | 29.77 | n/a | 0.30 | 9900 | C14-yrs BP |
Average chain length (ACL) and the ratio of submerged to emergent vegetation (Paq) in the Lake Harris core. Dates determined by the 210Pb method are in Anno Domini (AD) and carbon-14 dated layers are in calibrated radiocarbon years before present (cal yrs BP).