10 record(s) found with the tag "remote sensing" (multi-year projects are grouped):
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Remote sensing of Arctic-Boreal surface water
Principal Investigator: Smith, Laurence C.
Licenced Year(s): 2017
Summary: The goal of this project is to measure variations in water surface elevation, inundation extent, permafrost presence/absence, active layer thickness, soil moisture and related variables for lakes, wetlands and rivers in four primary study areas within the Northwest Territories (NWT). Using ground measurements combined with maps of water surface elevation produced by the Air Surface Water and Ocean...


Drivers and constraints of ecological change in the western Arctic
Principal Investigator: Lantz, Trevor C.
Licenced Year(s): 2017
Summary: The objectives of this project are to: 1) use remote sensing (Landsat, QuickBird, InSAR, Airphotos, UAVs, etc.) to document the rate and extent of landscape change (slumps, subsidence, vegetation change, lake drainage / expansion, etc.) in the NWT; and, 2) use field sampling and monitoring to determine the causes and impacts of regional changes in vegetation, and permafrost. To quantify land...


Permafrost in the western Arctic
Principal Investigator: Kokelj, Steve V
Licenced Year(s): 2017 2016
Summary: The primary objectives of this research are: 1) to develop and test new methods of monitoring permafrost landscape change; 2) to investigate the impacts of natural and human disturbance on permafrost terrain and the ground temperature conditions in natural environments and in communities; and, 3) to assess the physical and chemical characteristics of permafrost. To achieve the objectives the r...


PermaSAR: Development of a method to detect subsidence by means of DInSAR in permafrost regions
Principal Investigator: Höfle, Bernhard
Licenced Year(s): 2016 2015
Summary: The goal of the proposed study is to develop a new method that improves the detection of vertical movements caused by thawing and freezing processes of the permafrost. Previous studies showed the theoretical use of remote sensing data for such surface deformations, but also highlighted limitations. As these thawing and freezing processes are mainly responsible for such things as streets breaking a...


Landscape Change on Banks Island.
Principal Investigator: Lantz, Trevor C.
Licenced Year(s): 2016 2015
Summary: The objectives of this research project are: 1) To use remote sensing to document the rate and extent of landscape change on Banks Island; 2) To examine the effects of tundra disturbances using detailed field investigations; and 3) To establish permanent vegetation and berry monitoring plots to track change over time. Use remote sensing to document the rate and extent of landscape change o...


Understanding and prediction of permafrost thaw impacts on northern water resources
Principal Investigator: Quinton, William L.
Licenced Year(s): 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2001
Summary: The long-term goal of this research project is to develop a suite of models for predicting the response of discontinuous permafrost in the Hay River Lowland to climate warming and human disturbance from oil and gas exploration, and the consequent change in landcover and river flow regime. This will be achieved by meeting the following short-term objectives: 1) map the spatial distribution of perma...


Land Management Problems in Hydrocarbon Development Areas with Ice-Rich Permafrost: Detection and Assessment
Principal Investigator: Pollard, Wayne H
Licenced Year(s): 2010 2009
Summary: The focus of this research is to better understand the distribution of underground ice in hydrocarbon development areas. By identifying how much ice there is, we want to study how oil/gas activities and climate change could affect the land. The reseracher plans to use non-destructive techniques like ground-penetrating radar to accomplish our surveys. March-April, 2010: plan is to conduct 1-2 we...


Determination of near-surface permafrost extent in the Mackenzie Delta
Principal Investigator: Nguyen, Thai-Nguyen
Licenced Year(s): 2006 2005
Summary: The climate and numerous field reports indicate that permafrost should be continuous in the Mackenzie Delta. However, the most recent permafrost map in the Atlas of Canada classifies the delta as having discontinuous permafrost. Yet, no extensive fieldwork covering the entire delta has ever been realized. Unfrozen conditions beneath the ground, near shifting channels, have been recognized by vario...


Massive Ice Study in Granular Deposits
Principal Investigator: Pollard, Wayne H
Licenced Year(s): 2006 2005 2004 2003
Summary: Sand, gravel and crushed stone are valuable geological resources, collectively known as aggregates. They are essential bed, foundation and building materials. The presence of massive ice in aggregate deposits results in a series of resource management problems, particularly for the oil industry and its contractors who rely on local granular deposits as building material. From an environmental pers...


Monitoring Permafrost Deformation in the Mackenzie Delta
Principal Investigator: Tait, Matthew P.
Licenced Year(s): 2005 2004
Summary: The objective of this research is to establish the abilities of the radar method to detect vertical land deformation compared to traditional methods. Researchers will measure the topography of a target area in both June and August. During those months, researchers will also capture radar images of the same area. The topographical measurements will be compared to the radar images to determine the e...


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