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Natural Hazards and Earth System Sciences An interactive open-access journal of the European Geosciences Union
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Discussion papers
https://doi.org/10.5194/nhess-2018-318
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/nhess-2018-318
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 26 Nov 2018

Research article | 26 Nov 2018

Review status
This discussion paper is a preprint. It is a manuscript under review for the journal Natural Hazards and Earth System Sciences (NHESS).

Pre-disaster mapping with drones: an urban case study in Victoria, BC, Canada

Maja Kucharczyk and Chris H. Hugenholtz Maja Kucharczyk and Chris H. Hugenholtz
  • Department of Geography, University of Calgary, Calgary, AB T2N 1N4, Canada

Abstract. We report a case study using drone-based imagery to develop a pre-disaster 3D map of downtown Victoria, British Columbia, Canada. This represents the first drone mapping mission over an urban area approved by Canada’s aviation authority. The goal was to assess the quality of the pre-disaster 3D data in the context of geospatial accuracy and building representation. The images were acquired with a senseFly eBee Plus fixed-wing drone with real-time kinematic/post-processed kinematic functionality. Results indicate that the spatial accuracies achieved with this drone would allow for sub-meter building collapse detection, but the non-gimbaled camera was insufficient for capturing building facades.

Maja Kucharczyk and Chris H. Hugenholtz
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Status: open (until 21 Jan 2019)
Status: open (until 21 Jan 2019)
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Maja Kucharczyk and Chris H. Hugenholtz
Maja Kucharczyk and Chris H. Hugenholtz
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Short summary
We performed pre-disaster 3D mapping with a drone in downtown Victoria, BC, Canada. This was the first drone flight over a Canadian city approved by Canada’s aviation authority. We were legally constrained to using a specific drone. The goal was to assess the quality of the 3D map. Results indicate that the drone’s down-looking camera was insufficient for capturing building facades. To improve the 3D map, we suggest a future study with a similar drone and a camera that tilts for imaging facades.
We performed pre-disaster 3D mapping with a drone in downtown Victoria, BC, Canada. This was the...
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