Ahn, Jinho; Brook, Edward J; Mitchell, Logan E; Rosen, Julia L; McConnell, Joseph R; Taylor, Kendrick C; Etheridge, David; Rubino, Mauro (2012): (Table 1) Glaciological characteristics of ice cores from Dronning Maud Land, Law Dome and WAIS Divide [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.806118, In supplement to: Ahn, J et al. (2012): Atmospheric CO2 over the last 1000 years: A high-resolution record from the West Antarctic Ice Sheet (WAIS) Divide ice core. Global Biogeochemical Cycles, 26(2), GB2027, https://doi.org/10.1029/2011GB004247
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Coverage:
Median Latitude: -73.732093 * Median Longitude: 0.258300 * South-bound Latitude: -79.462950 * West-bound Longitude: -112.125100 * North-bound Latitude: -66.733330 * East-bound Longitude: 112.833330
Date/Time Start: 2005-12-19T00:00:00 * Date/Time End: 2005-12-19T00:00:00
Minimum Elevation: 1390.0 m * Maximum Elevation: 1766.0 m
Event(s):
DML * Latitude: -75.000000 * Longitude: 0.066670 * Location: Dronning Maud Land, Antarctica * Method/Device: Ice drill (ICEDRILL)
Law_Dome * Latitude: -66.733330 * Longitude: 112.833330 * Elevation: 1390.0 m * Location: Antarctica * Method/Device: Ice drill (ICEDRILL)
WDC05A (WAIS Divide Ice Core) * Latitude: -79.462950 * Longitude: -112.125100 * Date/Time: 2005-12-19T00:00:00 * Elevation: 1766.0 m * Recovery: 298.055 m * Location: Antarctica, west * Method/Device: Ice drill (ICEDRILL) * Comment: Core diameter: 10 cm; Top depth: 0 m; Bottom depth: ~299 m; Collected for gas analysis
Comment:
Gas age distribution data from Trudinger (2000): The carbon cycle over the last 1000 years inferred from inversion of ice core data, PhD thesis, Clayton, Victoria, Australia; and from Siegenthaler et al. (2005, doi:10.1111/j.1600-0889.2005.00131.x).
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | ||||
| 2 | Latitude of event | Latitude | ||||
| 3 | Longitude of event | Longitude | ||||
| 4 | Core | Core | Ahn, Jinho | |||
| 5 | Temperature, air, annual mean | MAAT | °C | Ahn, Jinho | ||
| 6 | Accumulation of snow/ice per year | Acc rate | cm/a | Ahn, Jinho | cm water equivalent/a | |
| 7 | Age, difference | Age diff | ka | Ahn, Jinho | ice-gas age difference | |
| 8 | Age, relative, number of years | Age | a | Ahn, Jinho | gas age distribution; # = +/-5 | |
| 9 | Reference/source | Reference | Ahn, Jinho | for gas age distribution |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
24 data points
Data
| 1 Event | 2 Latitude | 3 Longitude | 4 Core | 5 MAAT [°C] | 6 Acc rate [cm/a] | 7 Age diff [ka] | 8 Age [a] | 9 Reference |
|---|---|---|---|---|---|---|---|---|
| DML | -75.0000 | 0.0667 | Dronning Maud Land | -44.6 | 6.4 | 0.835 | #59 | Siegenthaler et al. [2005] |
| Law_Dome | -66.7333 | 112.8333 | DE-08 (Law Dome) | -19.0 | 110.0 | 0.031 | 10 | Trudinger [2000] |
| Law_Dome | -66.7333 | 112.8333 | DSS (Law Dome) | -22.0 | 60.0 | 0.058 | 14 | Trudinger [2000] |
| WDC05A | -79.4630 | -112.1251 | WDC05A (WAIS Divide) | -31.0 | 22.0 | 0.205 | ?30 | this study |