Articles | Volume 20, issue 8
Hydrol. Earth Syst. Sci., 20, 3379–3392, 2016
https://doi.org/10.5194/hess-20-3379-2016

Special issue: Geomorphometry: advances in technologies and methods for Earth...

Hydrol. Earth Syst. Sci., 20, 3379–3392, 2016
https://doi.org/10.5194/hess-20-3379-2016

Research article 23 Aug 2016

Research article | 23 Aug 2016

Case-based knowledge formalization and reasoning method for digital terrain analysis – application to extracting drainage networks

Cheng-Zhi Qin et al.

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Short summary
Application of digital terrain analysis (DTA), which is typically a modeling process involving workflow building, relies heavily on DTA domain knowledge. However, the DTA knowledge has not been formalized well to be available for inference in automatic tools. We propose a case-based methodology to solve this problem. This methodology can also be applied to other domains of geographical modeling with a similar situation.