Research Article
Digital Soil Mapping in the Absence of Field Training Data: A Case Study Using Terrain Attributes and Semiautomated Soil Signature Derivation to Distinguish Ecological Potential
Table 2
Correlation matrix for ten topographic indices derived from 5 m IFSAR digital terrain model. Variables were transformed to range between zero and one. Values are summarized from 36 pixels that occurred within a Landsat image pixel.
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plan: planar curvature; SD: standard deviation; pro: profile curvature; max: maximum; TWI: topographic wetness index. |