Spline-surface interpolation, spatial filtering, and trend surfaces for geological mapped variables |
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| Authors: | E H Timothy Whitten and Maria E V Koelling |
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| Institution: | (1) Department of Geological Sciences, Northwestern University, USA |
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| Abstract: | Spline surfaces are interpolated for top of the Dundee Limestone of the central Michigan Basin, USA. The requirement of gridded data render spline functions inappropriate tools for representing many types of geological mapped data. Comparisons are drawn with maps for the same Michigan data based on trend surfaces and spatial filtering. |
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| Keywords: | contouring mapping trend analysis structure |
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