A fuzzy identity-based temporal GIS for the analysis of geomorphometry changes

Authors:
Myriem Sriti;Remy Thibaud;Christophe Claramunt
Affiliations:
Naval Academy Research Institute, Lanveoc-Poulmic, Brest Naval, France;Naval Academy Research Institute, Lanveoc-Poulmic, Brest Naval, France;Naval Academy Research Institute, Lanveoc-Poulmic, Brest Naval, France
Venue:
Journal on Data Semantics III
Year:
2005

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Abstract

Despite recent progress in the development of temporal Geographical Information Systems (GIS) there is still a lack of methodological integration with geophysical models oriented to the study of Earth changes. This paper introduces a temporal GIS modelling approach which complements a process-based geomorphological experimental apparatus that simulates erosion-sedimentation phenomena over a geological period of time. We combine a field-based with a discrete-based observation of forms and changes at different levels of abstraction. A fuzzy-based model of evolution is introduced and allows for an approximation of changes and processes. State transitions are fuzzy-valued and complemented by a quantitative analysis of change patterns.