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Unmanned aerial vehicle structure from motion and lidar data for sub-canopy snow depth mapping

Description: Unmanned Aerial Vehicles (UAV) have had recent widespread application to capture high resolution information on snow processes and the data herein was collected to address the sub-canopy snow depth challenge. Previous demonstrations of snow depth mapping with UAV Structure from Motion (SfM) and airborne-lidar have focused on non-vegetated surfaces or reported large errors in the presence of vegetation. In contrast, UAV-lidar systems have high-density point clouds, measure returns from a wide range of scan angles, and so have a greater likelihood of successfully sensing the sub-canopy snow depth. The effectiveness of UAV-lidar and UAV-SfM in mapping snow depth in both open and forested terrain was tested with data collected in a 2019 field campaign in the Canadian Rockies Hydrological Observatory, Alberta and at Canadian Prairie sites near Saskatoon, Saskatchewan, Canada. The data archived here comprises the raw point clouds from the UAV-SfM and UAV-lidar platforms, generated digital surface models, and survey data used for accuracy assessment for the field campaign in question as reported in Harder et al., 2019.

This dataset was generated by the work of the Smart Water Systems Laboratory within the Centre for Hydrology at the University of Saskatchewan. This contributes to the objectives of a number of Pillar 3 Global Water Futures projects including Mountain Water Futures and the Transformative Technology and Smart Watersheds.
Authors: Harder, Phillip; University of Saskatchewan; ORCID iD 0000-0003-2144-2767
Pomeroy, John; University of Saskatchewan
Helgason, Warren; University of Saskatchewan
Keywords: Unmanned Aerial Vehicle
lidar
structure from motion
snow depth
point cloud
digital surface model
Field of Research: 
Earth and related environmental sciences
>
Geomatics and earth systems observations
>
Geomatics and earth systems observations, not elsewhere classified
Publication Date: 2020-01-13
Publisher: Federated Research Data Repository / dépôt fédéré de données de recherche
Funder: Natural Sciences and Engineering Research Council of Canada (NSERC)
Canada Research Chairs (CRC)
Canada First Research Excellence Fund (CFREF); Global Water Futures Program (GWF)
Western Economic Diversification Canada (WD)
Global Water Futures (GWF)
URI: https://doi.org/10.20383/101.0193
Related Identifiers: 
This dataset is cited by
Geographic Coverage: 
Place Name
Fortress Mountain Snow Laboratory
City
Kananaskis
Province /
Province / Territory
Alberta
Territory
 
Country
Canada

City
Clavet
Province /
Province / Territory
Saskatchewan
Territory
 
Country
Canada

City
Rosthern
Province /
Province / Territory
Saskatchewan
Territory
 
Country
Canada
Geographic Point: 
Latitude
50.833
Longitude
-115.220

Latitude
51.941
Longitude
-106.379

Latitude
52.694
Longitude
-106.461
Appears in Collections:Global Water Futures

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Access to this dataset is subject to the following terms:
Creative Commons Attribution 4.0 International (CC BY 4.0) https://creativecommons.org/licenses/by/4.0/
Citation
Harder, P., Pomeroy, J., Helgason, W. (2020). Unmanned aerial vehicle structure from motion and lidar data for sub-canopy snow depth mapping. Federated Research Data Repository. https://doi.org/10.20383/101.0193