Geomorphometric method for alluvial fan mapping
DOI:
https://doi.org/10.5007/2177-5230.2020v35n76p66Abstract
In the context of digital terrain analysis, this study presents the conception and application of a method for the identification of alluvial fans with the parameterization and combination of geomorphometric attributes calculated from a digital terrain model (DTM), whose area of study is the state of Paraná (Brazil). In object-oriented classification, alluvial fans were treated as flat points located at the intersection of linear segments, defined by the contributing area, which have high altimetric (relief) and slope amplitude. The results showed that the alluvial fan mapping was representative in different geomorphological contexts, which highlights its applicability.References
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