Aerial survey technology helps improve visitor safety while enhancing access to nature in Murramarang National Park
Located 200 kilometres southwest of Sydney, Murramarang National Park on the Australian coast is a popular recreational area. With growing demand for greater access to natural areas, the New South Wales National Parks and Wildlife Services (NPWS) asked us to carry out Geotechnical Landslide Risk Assessment for a proposed trail and trail upgrades in the park. Our team used a drone to assist with a geotechnical risk assessment of hazardous cliffline areas. The scope of work also included summarising coastline geology and making recommendations to NPWS regarding the location and path of the proposed trail.
Drones are proving more and more valuable for this kind of work, enhancing speed and accuracy, as well as allowing access to places inaccessible on foot. The aerial survey was completed using a DJI Inspire multi rotor platform to safely and efficiently capture 3D photogrammetry and point cloud data to develop detailed models of the coastline along the proposed walking trail alignments.
The images and models derived from the aerial survey were invaluable to providing a comprehensive baseline of the status of the cliff line. The result is visitors can go safely further afield into natural areas of the park, while the trail helps sustain the sensitive ecosystem.
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