9 April 2025
Erosion Monitoring on North Bribie Island Post TC Alfred
Key Takeaways:
- Regular erosion assessments of North Bribie Island will be conducted in the coming months.
- The OffTrack Team employs advanced technology for mapping and modeling.
- Future scans will ensure improved accuracy for monitoring erosion.
As the northern tip of Bribie Island faces ongoing erosion concerns post-Tropical Cyclone Alfred, the OffTrack Team has committed to a thorough monitoring initiative. Over the upcoming months, they will conduct regular scans of the northern shoreline and outlet to track any developments in erosion rates.
Using their own installation of WebODM, the team generates maps, digital elevation models (DEMs), and 3D models from their cloud server. With ambitions to migrate to on-premise servers featuring substantial RAM for enhanced node-based parallel processing, they are strategically working to manage rising cloud costs associated with high-capacity computing.
The initial imaging was captured using a DJI Phantom 4 Advanced equipped with a 20 MP mechanical shutter, a choice that facilitates superior mapping quality. The OffTrack Team is slated to utilize a more advanced M210 RTK drone, paired with a Zenmuse X4S camera, for all subsequent scans to ensure heightened accuracy through Real-Time Kinematic (RTK) technology.
While considering other camera options such as the Zenmuse P1 for future assessments, the team acknowledges the financial implications of upgrading to drones like the M300 or M350. Nevertheless, with their current focus on an area at risk of potential erosion, the OffTrack Team is dedicated to fostering informed conservation efforts driven by data and technology.
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