The US Permafrost Association (USPA) is pleased to announce the USPA Technical Training Webinar Series. The webinars are offered on Zoom. Each webinar is one hour long, including a 50-min lecture and 10-min Q&A. Certificate of Professional Development Hours (PDH) will be provided to participants who request it after each webinar. The webinars are free for USPA members and all students. For non-USPA members who are not students, the registration fee is $20 for each webinar. The webinars will be moderated, recorded, and uploaded on the USPA website. Future participants can register and watch the webinar individually and receive PDH. Registration fees for non-USPA members to watch the recorded webinar are the same as in the live webinars.
Instructor: Dr. Vladimir Romanovsky, Professor Emeritus of Geophysics, University of Alaska Fairbanks
Content of Webinar: Definition of Permafrost and its geographical extent. Seasonally thawed and seasonally frozen layers ("active layer"). The most important properties of permafrost: temperature, thickness, ice content, and type of frozen material. Different forms of ice in permafrost. Thermal state of permafrost and its recent changes. Stages of permafrost thawing: increase in summer thawing depth vs. supra-permafrost talik formation. Different approaches to permafrost preservation.