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Application of wavelet analysis to the study of spatial pattern of morphotectonic lineaments in digital terrain models. A case study
Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Earth Sciences, Department of Earth Sciences. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Earth Sciences, Department of Earth Sciences, Environment and Landscape Dynamics. Miljö- och landskapsdynamik.
2005 (English)In: Remote Sensing of Environment, Vol. 94, no 1, 31-38 p.Article in journal (Refereed) Published
Abstract [en]

Tectonic faults are often associated with characteristic geomorphological features such as linear valleys, ridgelines and slope breaks that can be identified as lineaments in remotely sensed images or digital terrain models. Lineaments of tectonic origin are often characterised by periodicity and characteristic spatial pattern. Unlike traditional methods of autocorrelation, variogram, lineament density and Fourier analysis, wavelet analysis is capable of capturing and describing both periodicity and spatial pattern of lineaments. In this paper, a case study is shown for the application of wavelet analysis to morphotectonic lineament investigation. Results of wavelet analysis are compared to traditional methods. Although this study involves DEM-derived morphological lineaments, the presented wavelet analysis can be also used for lineaments derived from remotely sensed images. These results hold for this case study and provide a good assessment of the relative abilities of wavelet analysis, but it remains to be seen how effective it is for other data sources, areas and geological terrain.

Place, publisher, year, edition, pages
2005. Vol. 94, no 1, 31-38 p.
Keyword [en]
Digital elevation model; Digital terrain modelling; Lineament; Morphometry; Structural geology; Tectonic geomorphology; Wavelet analysis
Identifiers
URN: urn:nbn:se:uu:diva-77195OAI: oai:DiVA.org:uu-77195DiVA: diva2:105107
Available from: 2006-05-10 Created: 2006-05-10 Last updated: 2011-01-11

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