| Title | InSAR monitoring of a retrogressive thaw flow at Thunder River, lower Mackenzie |
| |
| Author | Singhroy, V; Murnaghan, K; Couture, R |
| Source | Geo2010, proceedings of the 63rd Annual Canadian Geotechnical Conference and the 6th Canadian Permafrost Conference; 2010 p. 1317-1322 |
| Image |  |
| Year | 2010 |
| Alt Series | Earth Sciences Sector, Contribution Series 20110014 |
| Meeting | Geo2010: 63rd Canadian Geotechnical Conference and the 6th Canadian Permafrost Conference; Calgary; CA; September 12-16, 2010 |
| Document | book |
| Lang. | English |
| Media | paper |
| Province | Northwest Territories |
| NTS | 106O/05; 106O/06; 106O/07; 106O/10; 106O/11; 106O/12 |
| Area | Mackenzie Valley; Travaillant Lake; Thunder River |
| Lat/Long WENS | -132.0000 -130.5000 67.7500 67.2500 |
| Subjects | surficial geology/geomorphology; engineering geology; remote sensing; deformation; permafrost; freezing ground; ground ice; landslides; landslide deposits; slope deposits; slope failures; slope
stability; pipelines; InSAR |
| Illustrations | location maps; photographs; plots; images |
| Program | Secure Canadian Energy Supply |
| Released | 2010 01 01 |
| Abstract | In this study we analysed 55 RADARSAT 1 InSAR images acquired from August 2006-July 2010 to monitor deformation of permafrost slopes along the Mackenzie Valley Pipeline Corridor. Results from two corner
reflectors installed near a landslide show a 10 and 20 cm motion from 2006-2010. Our InSAR measurement also shows that the lower steeper slope is moving faster than upper slope. This differential motion may be due to a combination of thaw depth,
slope angle and ground moisture. |
| GEOSCAN ID | 288558 |
|
|