The permafrost samples we collected during our May sampling were collected using a gas powered hammer drill with 1.5" auger and 1.25" core drill attachments. We sampled at 0.5m increments to a depth of 3-8 meters depending on the site.
Entries for this field activity are based on entries from Field Activity AK 2015-624-FA
Field work in 2 phases, late May 2016, Late Sept 2016
Images from 2016 and 2017 archived under this FAN.
Ground control points and checkpoints were collected during Global Positioning System (GPS) surveys conducted between September 6, 2014 and September 18, 2016 along the northern coast of Barter Island, Alaska. Data were acquired and post-processed using precise positioning and used to co-register and assess accuracy of photogrammetric data sets.