Measuring Distance “As the Horse Runs”: Cross-Scale Comparison of Terrain-Based Metrics

What:
Presentation
When:
20 minutes
Tags:
Distance MetricsSpatial ModelingTerrain Analysis
Discussion:
0
Distance metrics play significant roles in spatial modeling tasks, especially when distance is measured across terrain. This paper compares planar distance with surface adjusted distance, evolving from distance “as the crow flies” to distance “as the horse runs”. Several methods are compared across a range of resolutions and validated against LiDAR data. Error magnitudes vary with pixel size and with the method of surface adjustment. The rate of error increase may also vary with landscape type (terrain roughness, precipitation regimes and land settlement patterns). Cross-scale analysis is reported here. Analysis for additional landscape types will be presented at the conference.
Participant
University of Colorado
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Participant

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