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5 Ways to Increase Understanding of Permafrost at Your Project Site

Christopher Stevens
Thursday, July 20, 2017
First presented: 
Permafrost refers to earth materials at or below 0°C (32°F) for at least two consecutive years (see end of article for more details). Understanding the characteristics and behavior of permafrost can benefit all stages of resource development in cold regions. New innovations in the fields of permafrost science and engineering are continuing as industry gains a better appreciation for the dynamic nature of permafrost and the need to minimize environmental impact and stabilize northern infrastructure. Site-specific permafrost evaluations are key to the engineering design, surface and groundwater management, and infrastructure operation aspects of resource development projects.

Feature Author

Dr. Christopher Stevens
Christopher Stevens, PhD., is a geocryologist who specializes in permafrost and cold regions work. He has 8 years of project and research experience in both terrestrial and subsea permafrost, for mining, highway infrastructure, utility corridors, and oil and gas projects in USA and Canada. His experience includes thermal analysis, terrain and climate analysis, permafrost and ground ice characterization, talik delineation, permafrost-groundwater interactions, design and implementation of permafrost monitoring programs, and numerical thermal modeling to assess thermal performance of infrastructure and potential impacts to the environment. His experience also extends to the design and evaluation of permafrost mitigation techniques used to achieve infrastructure and site stabilization in areas with ice-rich permafrost, including passive thermosyphons, active ground freezing, air convection, and thermal covers. Christopher has developed several novel satellite and ground-based geophysical applications for mapping degrading permafrost conditions and characterizing related environmental changes.
Geocryology and Cold Regions Specialist
PhD. Geology and Geophysics
SRK Alaska
SRK Latin America