Integration of remote sensing (LIDAR, electromagnetic conductivity) and geologic data toward the condition assessment of levee systems

Michael Bishop; Joseph B. Dunbar; Linda P. Peyman-Dove

doi:10.1117/12.462112

14 March 2003 Integration of remote sensing (LIDAR, electromagnetic conductivity) and geologic data toward the condition assessment of levee systems

Michael Bishop, Joseph B. Dunbar, Linda P. Peyman-Dove

Author Affiliations +

Proceedings Volume 4886, Remote Sensing for Environmental Monitoring, GIS Applications, and Geology II; (2003) https://doi.org/10.1117/12.462112
Event: International Symposium on Remote Sensing, 2002, Crete, Greece

Abstract

Remote sensing technologies are used to collect data that measure properties of materials that comprise the earth's surface, subsurface, and man-made features such as levees constructed of these materials. Scientists use, manipulate, and analyze these data to make inferences about levee materials as well as identify local areas where intensive field investigation resources might most efficiently be spent. In this current study, airborne LiDAR and electromagnetic (EM) conductivity data have been processed and integrated with other digital data to identify specific areas within a levee system where anomalies exist. Preliminary results support the idea that changes in material type and the presence of man-made, levee-perforating structures do cause recognizable effects on recorded EM conductivities. Planned site investigations at identified EM anomalous areas will focus the efforts of field crews to determine the causes and significance of anomalies. As the field season progresses and data from in situ testing of levee materials are analyzed, relationships between material types and the EM data will be represented in graphics. Results of the study will be used to calibrate a model with which levee systems can be assessed for compliance with certain design specifications as well as predicting performance during flood events.

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Michael Bishop, Joseph B. Dunbar, and Linda P. Peyman-Dove "Integration of remote sensing (LIDAR, electromagnetic conductivity) and geologic data toward the condition assessment of levee systems", Proc. SPIE 4886, Remote Sensing for Environmental Monitoring, GIS Applications, and Geology II, (14 March 2003); https://doi.org/10.1117/12.462112

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