Core | |||
---|---|---|---|
BB3 | 6.093(45) | –0.391(52) | 2.5 |
BB3 shortened | 6.148(52) | –0.486(77) | 2.5 |
BB4 | 6.175(26) | –0.499(38) | 2.5 |
BB4 shortened | 6.220(26) | –0.618(45) | 2.5 |
BM3 | 6.063(39) | –0.420(61) | 2.5 |
BM3 shortened | 6.062(49) | –0.417(80) | 2.5 |
BM4 | 6.022(36) | –0.198(35) | 3.0 |
BM4 shortened | 6.018(40) | –0.187(41) | 3.0 |
Average growth rates (mm/y) | ||||
---|---|---|---|---|
Core | by 1967 | from 1967 to present times | ||
weighted average | weighted average | |||
BB3 | 1.03(12) | 1.10(13) | 3.41(19) | 3.21(18) |
BB4 | 1.21(15) | 3.04(18) | ||
BM3 | 1.15(13) | 0.99(12) | 3.26(18) | 3.40(18) |
BM4 | 0.87(11) | 3.54(18) | ||
TW1 | 1.34(16) | |||
TW2 | 1.41(17) |
Core | Depth (cm) | Measured values of supported 210Pb (Bq/kg) | Approximated values of supported 210Pb (Bq/kg) | t-test | p-value |
---|---|---|---|---|---|
BB3 | 29.5 | 12.2(81) | 14.7(91) | 0.21 | 0.84 |
BB4 | 29.5 | 15.3(83) | 13.8(90) | 0.12 | 0.91 |
BM3 | 31.5 | 20.8(95) | 22.9(99) | 0.15 | 0.88 |
BM4 | 29.5 | 23.4(96) | 23.1(98) | 0.02 | 0.98 |