Geomorphology of the coastal alluvial fan complex Guanillos, northern Chile

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Title:Main Title: Geomorphology of the coastal alluvial fan complex Guanillos, northern Chile
Description:Abstract: The evolution of alluvial fans on the narrow coastal plain of the Atacama Desert in northern Chile is so far poorly investigated. Therefore, a detailed geomorphological map at a scale of 1:7500 of a coastal alluvial fan complex at Guanillos (21°58′S, 70°10.5′W) is provided as a first step to understand the fan’s morphogenesis. Geomorphological mapping was based on a digital elevation model with a resolution of 2 m generated from Pleiades-1 tri-stereo satellite imagery, derived terrain parameters, and on-site field mapping. The resultant map is used to characterize and categorize the overall morphology of the alluvial fan complex. In particular, linear features constructed by primary alluvial fan processes can be differentiated successfully from those developed by secondary processes. Furthermore, the advanced evolutionary state of the fan complex is revealed. We introduce a morphostratigraphic model comprising the fan’s prograde evolution, dissection, and successive abandonment of surface generations.
Identifier:10.1080/17445647.2019.1611499 (DOI)
Responsible Party
Creators:Janek Walk (Author), Georg Stauch (Author), Melanie Bartz (Author), Helmut Brückner (Author), Frank Lehmkuhl (Author)
Funding Reference:Deutsche Forschungsgemeinschaft (DFG): CRC 1211: Earth - Evolution at the Dry Limit
Publisher:EGU
Publication Year:2019
Topic
CRC1211 Topic:Surface
Related Subproject:C2
Subjects:Keywords: Geomorphology, GIS, Landscape Evolution, Remote Sensing
Geogr. Information Topic:Environment
File Details
Filename:Walk et al_2019_Geomorphology of the coastal alluvial fan complex Guanillos_northern Chile_JoM_15.zip
Data Type:Text - Article
Size:2 Datasets
File Size:55.5 MB
Date:Accepted: 23.04.2019
Mime Type:application/zip
Data Format:PDF
Language:English
Status:Completed
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Download Permission:Free
Download Information:This file contains the published open access article and the supplementary material that is the map.
General Access and Use Conditions:According to the CRC1211DB data policy agreement. © Author(s) 2019. CC Attribution 4.0 license.
Access Limitations:According to the CRC1211DB data policy agreement. © Author(s) 2019. CC Attribution 4.0 license.
Licence:[Creative Commons] Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)
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Specific Information - Publication
Publication Status:Published
Review Status:Peer reviewed
Publication Type:Article
Article Type:Journal
Source:Journal of Maps
Source Website:https://www.tandfonline.com/doi/full/10.1080/17445647.2019.1611499
Issue:2
Volume:15
Number of Pages:12 (436 - 447)
Metadata Details
Metadata Creator:Janek Walk
Metadata Created:21.05.2019
Metadata Last Updated:21.05.2019
Subproject:C2
Funding Phase:1
Metadata Language:English
Metadata Version:V50
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