Olivia Meier-Legault will be presenting How can we learn more about permafrost thaw in Canada from borehole temperature observations?
Date: TBD
Time: 13:00-14:00 Eastern Time
Location: Zoom (details are posted in our Teams site).
Mean annual ground temperature (MAGT) is widely used as a key indicator of permafrost change and has long informed climate assessments. However, in the presence of melting ice, latent heat effects can dampen temperature trends, making interpretation difficult. To address this limitation, complementary metrics derived from simulations resembling borehole temperature observations have been developed and tested to show their ability to provide new information on heat gain in the permafrost column.
In this seminar, Olivia will present the application of five of these metrics on borehole temperature observations. The metrics are (1) MAGT, (2) mean annual ground surface temperature, (3) top of permafrost, (4) depth of zero annual amplitude, and (5) the thermal integral. She will cover how these metrics maximize the use of available data and improve our understanding of permafrost thaw in Canada.
0 Comments