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Wednesday, May 1 • 4:00pm - 4:30pm
Using Lidar to Detect Potential Vernal Pools and Low/Wet Areas for Wetland Restoration

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Vernal Pools are seasonal depressional ephemeral wetlands that are seasonally inundated and generally isolated from other watercourses. They provide a unique habitat with many organisms relying on them for their life cycle, such as Salamanders. These features are difficult to locate outside of their inundation period, and are also found in forests which limits the use of traditional orthophotography in their discovery. Two aspects of Lidar can be used to remotely detect Vernal Pools: a high-resolution DEM to detect depressions in the terrain and the intensity value of the returns to detect wet areas. A methodology was developed to identify areas that were both depressional and wet. This was then field-tested to examine the results and to further refine the process. During this process it was found useful to identify low/wet areas for potential wetland restoration.

Moderators
avatar for Caner Akin

Caner Akin

GIS Analyst, Associated Engineering Ontario Ltd
Moderator, Ballroom 2

Presenters
CM

Christopher Menary

Manager, Toronto and Region Conservation
Chris Menary a GIS Technician and has been with the TRCA since 2013. He has been using Lidar on numerous projects including flood protection, natural heritage, habitat restoration, municipal planning hearings, archaeology, and erosion control. Chris holds an Honours Bachelor Degree... Read More →


Wednesday May 1, 2019 4:00pm - 4:30pm
Ballroom 2

Attendees (22)