1. Thawing permafrost and thicker active layers in sub-arctic Sweden
2. Alaska Department of Transportation and Public Facilities. 2021. “Pavement Management and Preservation Airport Pavement Condition Reporting.” Accessed August 20 2022. https://dot.alaska.gov/stwddes/asset_mgmt/airport_pave.shtml.
3. Alaska Climate Research Center. 2020. Accessed August 8 2022. “Data.” https://akclimate.org/data/.
4. Observations of the "Thermal Offset" in Near-Surface Mean Annual Ground Temperatures at Several Sites near Mayo, Yukon Territory, Canada
5. Connor B. Goering D.J. Kanevskiy M. Trochim E. and Bjella K. 2020. Roads and Airfields Constructed on Permafrost: A Synthesis of Practice. ADOT&PF Report No. 000S927. Accessed May 9 2022. https://rosap.ntl.bts.gov/view/do t/59181.