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Elevation

All morphometric variables are derived from digital elevation models (DEMs).

Example*. A DEM of Mount Ararat was extracted from the SRTM1 DEM. Elevation approximation was carried out by the universal spectral analytical method using 300 expansion coefficients of the original function of elevation by the Chebyshev polynomials. The model includes 779,401 points (the matrix 1081 x 721); the grid spacing is 1". The vertical exaggeration of the 3D model is 2x. The data processing and modeling were carried out using the software Matlab R2008b.

 

References

* Florinsky, I.V., 2016. An illustrated introduction to geomorphometry. Almamac Space and Time, 11 (1): 20 p. (in Russian, with English abstract).  Article at the journal website

 

For details and other examples, see:

DIGITAL TERRAIN ANALYSIS

IN SOIL SCIENCE AND GEOLOGY

 

2nd revised edition

 

 

I.V. Florinsky

 

Elsevier / Academic Press, 2016

Amsterdam, 486 p.

 

ISBN 978-0-12-804632-6

 

 

 

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