Weidick, Anker; Andreasen, Claus; Oerter, Hans; Reeh, Niels (2011): Tab. 1: Age of biogene material from the ice margin, Kofoed-Hansen Bræ and Storstrømmen [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.763935, Supplement to: Weidick, A et al. (1996): Neoglacial glacier changes around Storstremmen, North-East Greenland. Polarforschung, 64(3), 95-108, hdl:10013/epic.29729.d001
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Abstract:
Early Holocene recession of the ice cover over Germania Land in North-East Greenland 7.5 ka B.P. brought the Inland Ice margin back to a position close to the present. Continued recession after that time lead to the formation of a "Storstrømmen Sound" which separated Germania Land from mainland Greenland in the period from about 6 to 1 ka B.P. The present filling of the approximately 100 km long sound by the glaciers of Storstrømmen and Kofoed-Hansen Bræ must therefore have taken place during the Little lce Age. In an archaeological sense this implies deterioration of the living conditions of Neo-Eskimos compared to those of Palaeo-Eskimos.
The neoglacial re-formation and present existence of the glaciers as a Little Ice Age relict may imply a present-day instability in their dynamics, as demonstrated by the pulsations (surge-like behaviour) in the last part of the 20th century. An earlier Little Ice Age advance might possibly have had the same amplitude as that documented from the 20th century but its exact age and character is not known.
The glacio-isostatic response of the earth's crust to the variations in the Holocene glacier load implies a relatively slow and slight emergence and subsequent submergence. The shift from emergence to submergence must have taken place between about 2 and 1 ka B.P.
Coverage:
Median Latitude: 77.153412 * Median Longitude: -21.955353 * South-bound Latitude: 77.079000 * West-bound Longitude: -21.995000 * North-bound Latitude: 77.235000 * East-bound Longitude: -21.868000
Minimum DEPTH, ice/snow: 0 m * Maximum DEPTH, ice/snow: 0 m
Comment:
Position digitized from map. No further information available.
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Sample code/label | Sample label | Weidick, Anker | |||
| 2 | LATITUDE | Latitude | Geocode | |||
| 3 | LONGITUDE | Longitude | Geocode | |||
| 4 | DEPTH, ice/snow | Depth ice/snow | m | Geocode | ||
| 5 | Age, dated material | Dated material | Weidick, Anker | |||
| 6 | Age, dated | Age dated | ka BP | Weidick, Anker | Age, 14C conventional | BP |
| 7 | Age, dated standard deviation | Age dated std dev | ± | Weidick, Anker | Age, 14C conventional | |
| 8 | Age, dated | Age dated | ka BP | Weidick, Anker | Age, 14C milieu/reservoir corrected | BP |
| 9 | Age, dated, range, minimum | Age dated min | ka | Weidick, Anker | Calculated, based on reservoir corrected, 14C-ages | BP |
| 10 | Age, dated, range, maximum | Age dated max | ka | Weidick, Anker | Calculated, based on reservoir corrected, 14C-ages | BP |
| 11 | Age, dated | Age dated | ka BP | Weidick, Anker | Calculated, based on reservoir corrected, 14C-ages | BP |
| 12 | Calibration | Calibration | Weidick, Anker | according to |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
97 data points
Data
| 1 Sample label | 2 Latitude | 3 Longitude | 4 Depth ice/snow [m] | 5 Dated material | 6 Age dated [ka BP] (BP, Age, 14C conventional) | 7 Age dated std dev [±] (Age, 14C conventional) | 8 Age dated [ka BP] (BP, Age, 14C milieu/reservoir...) | 9 Age dated min [ka] (BP, Calculated, based on rese...) | 10 Age dated max [ka] (BP, Calculated, based on rese...) | 11 Age dated [ka BP] (BP, Calculated, based on rese...) | 12 Calibration (according to) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Ua-3344 | 77.235 | -21.906 | 0 | shells: Hiatella arctica | >40.000 | ||||||
| Ua-3345 | 77.223 | -21.943 | 0 | shells: Mya truncata | >40.000 | ||||||
| Ua-3346 | 77.190 | -21.975 | 0 | shells: Mya truncata | >40.000 | ||||||
| Ua-3351 | 77.144 | -21.966 | 0 | shells: Hiatella arctica | >40.000 | ||||||
| Ua-3352 | 77.147 | -21.969 | 0 | shells: Hiatella arctica | 33.250 | 0.815 | |||||
| Ua-4569 | 77.147 | -21.969 | 0 | shells: Hiatella arctica | 27.905 | 0.370 | |||||
| Ua-4570 | 77.147 | -21.969 | 0 | shells: Mya truncata | 26.665 | 0.300 | |||||
| Ua-4571 | 77.147 | -21.969 | 0 | shells: Astarte borealis | 24.930 | 0.275 | |||||
| K-6098 | 77.159 | -21.980 | 0 | shells: Mya truncata and Hiatella arctica | 5.180 | 0.095 | 5.030 | 5.8 | 5.9 | Stuiver & Pearson, 1993 | |
| K-5494 | 77.161 | -21.975 | 0 | shells: Mya truncata | 4.910 | 0.085 | 4.760 | 5.5 | 5.6 | Stuiver & Pearson, 1993 | |
| K-5493 | 77.181 | -21.978 | 0 | shells: Mya truncata | 4.840 | 0.090 | 4.690 | 5.3 | 5.5 | Stuiver & Pearson, 1993 | |
| Ua-3347 | 77.119 | -21.995 | 0 | shells: Hiatella arctica | 5.030 | 0.075 | 4.480 | 5.2 | 5.5 | Stuiver & Pearson, 1993 | |
| Ua-3350 | 77.079 | -21.868 | 0 | shells: Hiatella arctica | 4.180 | 0.060 | 3.630 | 3.9 | 4.0 | Pearson & Stuiver, 1993 | |
| K-6096 | 77.175 | -21.975 | 0 | bones: Balaenoptera physalus | 3.630 | 0.090 | 3.480 | 3.7 | Pearson & Stuiver, 1993 | ||
| Ua-3349 | 77.108 | -21.954 | 0 | shells: Hiatella arctica | 3.725 | 0.060 | 3.175 | 3.4 | Pearson & Stuiver, 1993 | ||
| K-6097 | 77.082 | -21.881 | 0 | shells: Hiatella arctica and Mya truncata | 3.230 | 0.085 | 3.080 | 3.3 | Pearson & Stuiver, 1993 | ||
| Ua-3348 | 77.164 | -21.969 | 0 | shells: Hiatella arctica | 1.815 | 0.055 | 1.265 | 1.2 | 1.3 | Stuiver & Pearson, 1993 |