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Full-Text Articles in Agronomy and Crop Sciences
Semantic Calibration Of Digital Terrain Analysis Scale, Bradley A. Miller
Semantic Calibration Of Digital Terrain Analysis Scale, Bradley A. Miller
Bradley A Miller
Digital terrain analysis (DTA) provides efficient, repeatable, and quantified metrics of landscape characteristics that are important to the Earth sciences, particularly for detailed soil mapping applications. However, DTA has not been field tested to the extent that traditional field metrics of topography have been. Human assessment of topography synthesizes multiple parameters at multiple scales to characterize a landscape, based on field experience. In order to capture the analysis scale used by field scientists, this study introduces a method for calibrating the analysis scale of DTA to field assessments. This method is used to calibrate land-surface derivatives of relative elevation, profile …