Air reverse circulation at the hole bottom in ice-core drilling

Volume: 65, Issue: 249, Pages: 149 - 156
Published: Jan 24, 2019
Abstract
Ice-core drilling to depths of 200–300 m is an important part of research studies concerned with paleoclimate reconstruction and anthropogenic climate change. However, conventional drilling methods face difficulties due to firn permeability. We have developed an electromechanical ice-core drill with air reverse circulation at the hole bottom. We believe that the new drilling system will recover ice cores faster than shallow auger drills, with...
Paper Details
Title
Air reverse circulation at the hole bottom in ice-core drilling
Published Date
Jan 24, 2019
Volume
65
Issue
249
Pages
149 - 156
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