UAS-based surface gravelometry for different generations of the coastal alluvial fan Guanillos, Atacama Desert
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Identification
| Title: | Main Title: UAS-based surface gravelometry for different generations of the coastal alluvial fan Guanillos, Atacama Desert |
| Description: | Abstract: This dataset contains grain sizes of bright surface clasts extracted digitally from very high resolution aerial imagery for the coastal alluvial fan Guanillos (GUA) in northern Chile (21.97°S, 70.17°W). The largest diameters (a-axes) of bright clasts were derived by global thresholding of RGB orthomosaics (OM) constructed based on surveys using an unmanned aerial system (UAS). Depending on the spatial resolution of the OMs, the minimal detectable grain size is 20 to 22 mm. Restricted to detailed areas of interest (AOI), the gravelometric data is attributed to the four alluvial fan surface generations, or morphostratigraphic units, Q1 to Q4. Results are stored in a .csv table. |
| Identifier: | 10.5880/CRC1211DB.39 (DOI) |
Responsible Party
| Creators: | Janek Walk (Author), Melanie Bartz (Author), Georg Stauch (Author), Helmut Brückner (Author), Frank Lehmkuhl (Author) |
| Funding Reference: | Deutsche Forschungsgemeinschaft (DFG): CRC 1211: Earth - Evolution at the Dry Limit |
| Publisher: | CRC1211 Database (CRC1211DB) |
| Publication Year: | 2021 |
Topic
| CRC1211 Topic: | Surface |
| Related Subproject: | C2 |
| Subjects: | Keywords: Ground-based remote sensing, Geomorphology, GIS |
| Geogr. Information Topic: | Environment |
File Details
| Filename: | GUA_gravel_UAS.zip |
| Data Type: | Dataset - Data table |
| Size: | 1 Datasets |
| File Size: | 384 KB |
| Date: | Created: 18.12.2020 |
| Mime Type: | application/zip |
| Data Format: | CSV |
| Language: | English |
| Status: | Completed |
Archive Content
Constraints
| Download Permission: | Free |
| General Access and Use Conditions: | According to the CRC1211DB data policy agreement. © Author(s) 2021. CC Attribution 4.0 license. |
| Access Limitations: | According to the CRC1211DB data policy agreement. © Author(s) 2021. CC Attribution 4.0 license. |
| Licence: | [Creative Commons] Attribution-NonCommercial 4.0 International (CC BY-NC 4.0) |
Geographic
Specific Information - Data
| Temporal Extent: | 07.03.2018, 13:59:00 - 08.03.2018, 09:02:00 |
| Subtype: | Natural Science Data |
| Instruments: | Unmanned aerial system [DJI Phantom 4 Advanced] ArcGIS Desktop [10.6.1] |
Metadata Details
| Metadata Creator: | Janek Walk |
| Metadata Created: | 27.04.2021 |
| Metadata Last Updated: | 26.05.2021 |
| Subproject: | C2 |
| Funding Phase: | 2 |
| Metadata Language: | English |
| Metadata Version: | V50 |
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Dataset Statistics
| Page Visits: | 139 |
| Metadata Downloads: | 0 |
| Dataset Downloads: | 5 |
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Adequate reference when this dataset will be discussed or used in any publication or presentation is mandatory. In this case please contact the dataset creator.
Adequate reference when this dataset will be discussed or used in any publication or presentation is mandatory. In this case please contact the dataset creator.
