An ultra-clean firn core from the Devon Island Ice Cap, Nunavut, Canada, retrieved using a titanium drill specially designed for trace element studies - Zheng, Jiancheng; Fisher, D.; Blake, E.; Hall, G.; Vaive, J.; Krachler, Michael; Zdanowicz, C.; Lam, J.; Lawson, G.; Shotyk, William (Journal of environmental monitoring, 2006)
Gesehen am 29.09.2020