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Evaluate a UAV-based, cost-effective multi-sensor method for characterizing flood conditions in mountain river corridors.

July 23, 2026WaterOpen Access

Application of Cost-Effective High-Resolution Remote Sensing to Characterize Flooding in Mountain River Corridors

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Randomized trial evaluates UAV-based sensors for flood assessment in mountain river corridors, suggesting enhanced monitoring capabilities.

Evaluate a UAV-based, cost-effective multi-sensor method for characterizing flood conditions in mountain river corridors.
Used a DJI Matrice 300 UAV with multispectral and LiDAR payloads for data collection.
Conducted post-processing of collected data to assess spatial resolution and accuracy.
Performed integrated analysis of multispectral and LiDAR datasets for flood extent mapping.
Achieved maximum spatial resolution of 0.0432 m for multispectral imagery and 0.05 m for LiDAR.
LiDAR accuracy showed vertical RMSE values of 0.0602 m for Blacksmith Fork and 0.0782 m for Logan River.
Integrated datasets supported effective mapping of flood extents and terrain features.

Joshi et al. (2026) studied this question.

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Randomized trial evaluates UAV-based sensors for flood assessment in mountain river corridors, suggesting enhanced monitoring capabilities.