2023
DOI: 10.31857/s2076673423010076
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Experimental Research of Ice Cuttings Transport by Air While Drilling of the Snow-Firn Layer

S. A. Ignatiev,
D. A. Vasilev,
A. V. Bolshunov
et al.

Abstract: The snow-firn layer of the glaciers of Antarctica and Greenland contains data on the composition of the atmosphere in the past, volcanic eruptions, forest fires, anthropogenic pollution, and many other unique information. Nowadays, core drilling methods are widely used for sampling the snow-firn layer. Due to numerous complications (loss of air circulation, drill bit sticking, ice balling up, etc.), air ice drilling is not wide spread, yielding in productivity and reliability to thermal and auger drilling meth… Show more

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