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Geovisualization, rock weathering, and terrestrial lidar
in the context of rock art
Brandon J. Vogt
Dissertation Research Proposal
School of Geographical Sciences
Arizona State University
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Research Question
How can multiple linked views (MLVs) applied to terrestrial lidar data of rock art and surrounding weathering forms extract new insight of rock instability associated with rock art panels?
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Rock Instability
Author(s) Users1=novice10=expert
Objectivity 1=subjective10=objective
Practicality1=impractical 10=practical
Fitzner et al.2004
10 9.5 1
Vogt (in progress)
8.5 8.5 9
Dorn et al. 2006 ‘RASI’
2 4 9
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MethodologyDesign & Implementation1. Study locations2. Weathering features3. Lidar4. GIS workflow5. Geovisualization
Evaluation: Proof of Concept
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Study Locations
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Weathering Features
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Lidar
x,y,z and i
sensor recordsround-trip timeof laser pulse
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GIS Workflow
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Geovisualization
raw tafoni signature
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Geovisualization
precise tafoni signature
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Geovisualization
precise fissure signature
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Geovisualization
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Instability Ranking
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Evaluation
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Conclusion
• Exploration and classification of complex, multivariate geographic phenomena are facilitated with interactive box plots and MLVs
• Management decisions related to rock art preservation are justified based on quantitative characterizations of rock surfaces
• May prove useful outside of the rock art preservation community
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Publication Outlets
• Geovisualization– Cartographica, Cartography and Geographic
Information Science• Rock weathering
– Earth Surface Processes and Landforms, Physical Geography, Zeitschrift für Geomorphologie
• Supporting rock art preservation– International Newsletter on Rock Aft, Archaeometry,
American Rock Art Research Association newsletter La Pintura