Roberts, Donna; McMinn, Andrew; Cremer, Holger; Gore, Damian B; Melles, Martin (2004): (Table 2) Holocene chronology of Beall Lake diatom stratigraphy, core PG1414-2, Windmill Islands [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.849260, In supplement to: Roberts, D et al. (2004): The Holocene evolution and palaeosalinity history of Beall Lake, Windmill Islands (East Antarctica) using an expanded diatom-based weighted averaging model. Palaeogeography, Palaeoclimatology, Palaeoecology, 208(1-2), 121-140, https://doi.org/10.1016/j.palaeo.2004.02.032
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Coverage:
Latitude: -66.297500 * Longitude: 110.484000
Date/Time Start: 1998-11-11T00:00:00 * Date/Time End: 1998-11-11T00:00:00
Minimum DEPTH, sediment/rock: 0.0525 m * Maximum DEPTH, sediment/rock: 0.7600 m
Event(s):
PG1414-2 * Latitude: -66.297500 * Longitude: 110.484000 * Date/Time: 1998-11-11T00:00:00 * Lake water depth: 6.2 m * Recovery: 0.82 m * Location: Beall Lake * Campaign: WindmillIslands1998 * Basis: Casey * Method/Device: Hand push corer (HSR)
Comment:
Note: constant sedimentation rate is assumed for calculating ages of zones.
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Zone | Zone | Roberts, Donna | |||
| 2 | Depth, top/min | Depth top | m | Roberts, Donna | ||
| 3 | Depth, bottom/max | Depth bot | m | Roberts, Donna | ||
| 4 | DEPTH, sediment/rock | Depth sed | m | Roberts, Donna | Geocode | |
| 5 | Lake type | Lake type | Roberts, Donna | inferred from diatom assemblages | ||
| 6 | Age, minimum/young | Age min | ka | Roberts, Donna | Age, 14C AMS | ka BP |
| 7 | Age, maximum/old | Age max | ka | Roberts, Donna | Age, 14C AMS | ka BP |
| 8 | Age, comment | Comm | Roberts, Donna | Age, AMS 14C milieu/reservoir corrected | ka BP; Ln-corrected for new lacustrine reservoir effect; Lo-corrected for old lacustrine reservoir effect; M-corrected for marine reservoir effect | |
| 9 | Age, minimum/young | Age min | ka | Roberts, Donna | Age, AMS 14C milieu/reservoir corrected | ka BP, median age of zone |
| 10 | Age, maximum/old | Age max | ka | Roberts, Donna | Age, AMS 14C milieu/reservoir corrected | ka BP, median age of zone |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
53 data points
Data
| 1 Zone | 2 Depth top [m] | 3 Depth bot [m] | 4 Depth sed [m] | 5 Lake type (inferred from diatom assemblages) | 6 Age min [ka] (ka BP, Age, 14C AMS) | 7 Age max [ka] (ka BP, Age, 14C AMS) | 8 Comm (ka BP; Ln-corrected for new l...) | 9 Age min [ka] (ka BP, median age of zone, Ag...) | 10 Age max [ka] (ka BP, median age of zone, Ag...) |
|---|---|---|---|---|---|---|---|---|---|
| 6 | 0.000 | 0.105 | 0.0525 | Freshwater | 1.864 | 2.956 | 0.564-0.864Ln to 1.656- 1.965Ln | 0.700 | 1.800 |
| 5 | 0.110 | 0.110 | 0.1100 | Hypersaline | 3.008 | 1.708 -2.008Ln | 1.850 | 1.850 | |
| 4 | 0.115 | 0.205 | 0.1600 | Freshwater | 3.060 | 3.996 | 1.760-2.060Ln to 2.696-2.996Ln | 1.900 | 2.800 |
| 3 | 0.210 | 0.380 | 0.2950 | Hyposaline | 4.048 | 5.816 | 2.748-3.048Ln to 4.516-4.816Ln | 2.900 | 4.600 |
| 2 | 0.390 | 0.680 | 0.5350 | Marine Inlet | 5.920 | 8.644 | 4.620 -4.920Ln/4.620M to 7.344M/8.644Lo | 4.800 | 8.000 |
| 1 | 0.700 | 0.820 | 0.7600 | Hyposaline- Freshwater | 8.784 | 9.070 | 7.484M/8.784Lo to 9.070Lo | 8.130 | 9.000 |