Holuhraun

Notes on the Dataset
- While the first epoch was only acquired via TLS, for the subsequent epochs, also photogrammetry on aerial images was used, resulting in denser point clouds that cover a larger area.
Detailed Information
| General Information | |
| Name | Holuhraun |
| Release Year | 2024 |
| Terms of Use | CC BY-NC-SA 4.0 |
| Access Requirements | None |
| Dataset Size | 13.8 GB | Partial download is possible, i.e. the data is split into several files (e.g., epochs or data types) |
| Documentation | Multi-paragraph description of the dataset, e.g., in the form of a paper section or a comprehensive readme file |
| Code | No |
| Applications | Analysis of geomorphological processes |
| Detailed Applications | Topographic change quantification |
| Acquisition | |
| Number of Scenes | 1 |
| Number of Epochs per Scene (minimum) | 4 |
| Number of Epochs per Scene (median) | 4 |
| Number of Epochs per Scene (maximum) | 4 |
| General Scene Type | Landscape |
| Specific Scene Type | Volcano vent |
| Location | Holuhraun (Iceland) |
| Acquisition Type | Terrestrial laser scanning |
| Acquisition Device | Riegl VZ-400 and Sony a7R camera + Trimble Business Center |
| Acquisition Platform | Tripod and Trimble UX5-HP UAS |
| Scan Interval | Years |
| Acquisition Months | Janurary: 0 February: 0 March: 0 April: 0 May: 0 June: 0 July: 0 August: 4 September: 0 October: 0 November: 0 December: 0 |
| Representation | |
| Data Representation | Unstructured, globally aligned (e.g., point cloud or ray cloud) |
| Specific Data Representation | Point cloud |
| File Format/Encoding | LAS |
| Raw Data | - |
| Additional Data | - |
| Coordinate System | 32628 |
| Quality and Usability | |
| Registration | Between finely and coarsely registered. The reviewers disagreed on this |
| Number of Partial Epochs | 30.00% |
| Unusable Data Reason | - |
| Splits | No |
| Per-Point Attributes | |
| Intensity/Reflectivity | Yes |
| Color | No |
| Semantic Labels | - |
| Instance Labels | No |
| Change Labels | - |
| Statistics | |
| Number of Points per Epoch (minimum) | 92M |
| Number of Points per Epoch (median) | 99M |
| Number of Points per Epoch (maximum) | 117M |
| Avg. Point Spacing (minimum) | 1.9cm |
| Avg. Point Spacing (median) | 3.9cm |
| Avg. Point Spacing (maximum) | 3.9cm |
| Avg. Change Points per Epoch | - |
Paper Reference 1
@article{sutton2024datasetholuhraun,
author = {Sutton, S.S. and Richardson, J.A. and Whelley, P.L. and Scheidt, S.P. and Hamilton C.W.},
title = {Degradation of the 2014–2015 Holuhraun vent-proximal edifice in Iceland},
year = {2024},
doi = {10.1007/s00445-024-01709-9},
volume = {86},
journal = {Bulletin of Volcanology},
paper = {37},
pages = {1--19},
}