UAV photogrammetry data collected in the Tasiapik Valley, Umiujaq, Nunavik, Québec, Canada. The dataset includes ground control points, flight parameters, processing parameters for Pix4Dmapper, orthomosaics, raw point clouds, ground point clouds, DTMs, and DSMs. It was created by Madeleine St-Cyr and harvested from Borealis Dataverse, with data collected in 2023, 2024, and 2025.
Use Cases
- Generate high-resolution digital terrain models (DTMs) based on the ground point clouds.
- Create orthomosaic maps for land cover analysis based on the final orthomosaic products.
- Analyze topographic changes over time based on data collected across multiple years (2023-2025).
- Calibrate and validate UAV-based photogrammetry workflows based on the included ground control points (GCPs) and check points (CPs).
Strengths
- Data collection spans three consecutive years (2023, 2024, 2025), enabling temporal analysis.
- Includes multiple derived products such as orthomosaics, point clouds, DTMs, and DSMs.
Limitations
- Column-level documentation is absent; field semantics must be inferred after download.
- Row count and file sizes are unknown, which may limit suitability assessment.
Provenance
- Source
- Borealis Harvested Dataverse
- Collection Method
- UAV photogrammetry, processed with Pix4Dmapper.
- Time Range
- 2023-2025
- Freshness
- Last updated 2026-06-20 04:11:10; freshness should be verified.
- Geography
- Tasiapik Valley, Umiujaq, Nunavik, Québec, Canada