Chapter 9 Landforms and Landform Elements in Geomorphometry

作者: R.A. MacMillan , P.A. Shary

DOI: 10.1016/S0166-2481(08)00009-3

关键词:

摘要: Publisher Summary Landform types are conceptualize as mainly consisting of waveform features that exhibit entire repeating cycles variation in morphological properties, such slope gradient, lengths, relief, curvatures, and moisture regime. These cyclic patterns can be identified characterized by analyzing the distribution attributes within neighborhoods defined windows appropriate dimensions shape, variables computed for any given cell describe only a small portion total characterizes landform type. provide information on size scale how this might affect amounts energy available geomorphic, pedogenic, hydrological processes. context used to inform improve further sub-division landscape into elements. elements have been classified based solely consideration their local surface combination shape contextual measures relative position. Procedures automatically extracting classifying differ terms kinds classification methods applied extract entities. Repeating using Boolean rules expert knowledge Heuristic beliefs. Classification has achieved wide variety including knowledge-based heuristic approaches, supervised classification, unsupervised classification.

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