Yoshikawa, Kenji; Nakamura, Toshio; Igarashi, Yaeko (2011): Investigation of pingos in Kuganguaq delta on Disko Island. PANGAEA, https://doi.org/10.1594/PANGAEA.767446, Supplement to: Yoshikawa, K et al. (1996): Growth and collapse history of Pingos, Kuganguaq, Disko Island, Greenland. Polarforschung, 64(3), 109-113, hdl:10013/epic.29730.d001
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The growth and collapse history of two pingos located approximately 18 m a.s.l, and 35 m a.s.l. in Kuganguag, Disko lsland, west-central Greenland were examined. The pingos of this area were formed on Tertiary basalt rocks. One of the pingos is located in the middle of an alluvial fan, the other is on a river bed. Both have already collapsed. The pingo on the river bed had already collapsed at least 3545±60 year BP (14C dating from base of the pond sediments in the pingo crater). Both pingos formed after the sea's retreat as permafrost developed in the newly exposed delta bottom.
Median Latitude: 70.255650 * Median Longitude: -53.916225 * South-bound Latitude: 70.229400 * West-bound Longitude: -53.919000 * North-bound Latitude: 70.264400 * East-bound Longitude: -53.915300
Date/Time Start: 1993-07-28T13:50:00 * Date/Time End: 1993-07-28T15:00:00
Delta_Pingo * Latitude: 70.264400 * Longitude: -53.915300 * Date/Time: 1993-07-28T15:00:00 * Location: Disko Island, West Greenland * Device: Geological sample (GEOS)
Datasets listed in this Collection
- Yoshikawa, K; Nakamura, T; Igarashi, Y (1996): Radiocarbon age determinations on samples from Delta pingo (Fig. 3). https://doi.org/10.1594/PANGAEA.767445
- Yoshikawa, K; Nakamura, T; Igarashi, Y (2011): Tab. 1: Results of chemical and isotope analyses. https://doi.org/10.1594/PANGAEA.767444