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Multiscale analysis of landscape data sets from northern Ghana: Wavelets and pattern metrics

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Multiscale analysis of landscape data sets from northern Ghana: Wavelets and pattern metrics (Volume 31)

Nathaniel Kwamina Howard (Author)

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ISBN-13 (Printausgabe) 3865376533
ISBN-13 (Hard Copy) 9783865376534
ISBN-13 (eBook) 9783736916531
Language English
Page Number 172
Edition 1 Aufl.
Book Series ZEF Bonn
Volume 31
Publication Place Göttingen
Place of Dissertation Bonn
Publication Date 2005-12-01
General Categorization Dissertation
Departments Geosciences
Description

Multiscale analysis of landscape data sets from northern Ghana: Wavelets and pattern metrics

A fundamental characteristic of all landscapes is spatial heterogeneity, which is scale-dependent. To understand how spatial heterogeneity of landscapes in the Volta River Basin varies with scale, wavelet and pattern metric analyses were employed. The results of the wavelet analysis suggest that the normalized difference vegetation index and the fields of the digital elevation model are statistically self-similar and contribute to the basis for understanding how to assimilate landscape data into coarser resolution models. The results of the pattern metric analysis suggest that there is no optimal scale for characterizing spatial heterogeneity, and comparisons between landscape metrics must be based on the same spatial resolutions and extents. In addition, the results may provide practical guidelines for scaling spatial patterns.