DTM-Based Comparative Geomorphometric Analysis of Four Scoria Cone Areas—Suggestions for Additional Approaches

Fanni Vörös*, Benjamin van Wyk de Vries, Marie Noëlle Guilbaud, Tolga Görüm, Dávid Karátson, Balázs Székely

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Morphometric studies of scoria cones have a long history in research. Their geometry and shape are believed to be related to evolution by erosion after their formation, and hence the morphometric parameters are supposed to be related with age. We analysed 501 scoria cones of four volcanic fields: San Francisco Volcanic Field (Arizona, USA), Chaîne des Puys (France), Sierra Chichinautzin (Mexico), and Kula Volcanic Field (Turkey). All morphometric parameters (cone height, cone width, crater width, slope angles, ellipticity) were derived using DTMs. As new parameters, we calculated Polar Coordinate Transformed maps, Spatial Elliptical Fourier Descriptors to study the asymmetries. The age groups of the four volcanic fields were created and their slope distributions were analysed. The age groups of individual volcanic fields show a statistically significant decreasing tendency of slope angles tested by Mann–Whitney tests. By mixing the age groups of the volcanic fields and sorting them by age interval, we can also observe a general, statistically significant decrease. The interquartile ranges of the distributions also tend to decrease with time. These observations support the hypothesis that whereas the geometry of individual scoria cones differs initially (just after formation), general trends may exist for their morphological evolution with time in the various volcanic fields.

Orijinal dilİngilizce
Makale numarası6152
DergiRemote Sensing
Basın numarası23
Yayın durumuYayınlandı - Ara 2022

Bibliyografik not

Publisher Copyright:
© 2022 by the authors.


F.V. was supported by project no. TKP2021-NVA-29, which has been implemented with the support provided by the Ministry of Innovation and Technology of Hungary from the National Research, Development, and Innovation Fund, financed under the TKP2021-NVA funding scheme. This work is partly carried out as a contribution to the UNESCO International Geosciences Programme project 692 ‘Geoheritage for Resilience’ ( www.geopoderes.com , accessed on 28 November 2022). Gustavo Vivó Vázquez is thanked for his initial work on the Lidar dataset of the Sierra Chichinautzin. M.N.-G. received funding from the project: UNAM DGAPA PAPIIT IN103421.

FinansörlerFinansör numarası
Ministry of Innovation and Technology
Universidad Nacional Autónoma de MéxicoDGAPA PAPIIT IN103421
Nemzeti Kutatási, Fejlesztési és Innovaciós Alap

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