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Modelling and visualizing multiple spatial uncertainties

Authors
Journal
Computers & Geosciences
0098-3004
Publisher
Elsevier
Publication Date
Volume
23
Issue
4
Identifiers
DOI: 10.1016/s0098-3004(97)00012-5
Keywords
  • Gis
  • Visualization
  • Uncertainty
  • Fuzzy
  • Slope Stability Modelling

Abstract

Abstract This paper presents the results of research into the modelling and visualization of multiple types of uncertainty — each exhibiting distinct spatial characteristics. Slope stability modelling is utilized as a vehicle to bring together uncertainties in categorical spatial data and continuous spatial data. A variety of static visualization methods are discussed, as well as the implications of using an interactive animated display to explore multiple realizations of a continuous surface. The results indicate that careful definitions of allowable uncertainty, and the implications thereof, are required to calibrate an interactive animation that will be utilized by non-specialists. It is argued that this holds particularly true in the situation of risk management decisions.

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