Stratigraphic Analyses Using GPR

Architecture and sedimentology of an active braid bar in the Wisconsin River based on 3-D ground penetrating radar
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Published:January 01, 2007
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CiteCitation
Andrew J. Mumpy, Harry M. Jol, William F. Kean, John L. Isbell, 2007. "Architecture and sedimentology of an active braid bar in the Wisconsin River based on 3-D ground penetrating radar", Stratigraphic Analyses Using GPR, Gregory S. Baker, Harry M. Jol
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The internal architecture of sandbars in modern braided streams has not been adequately documented, especially in medium-scale braided rivers. Identification of the architecture and development of an understanding of the formative processes for these macroforms is important for (1) understanding sedimentation in braided streams, (2) understanding reservoir and aquifer compartmentalization in ancient deposits, and (3) predicting the controls on deposition in similar settings. A 225 MHz GPR survey was conducted within a braided reach of the Wisconsin River near Spring Green, Wisconsin, USA, to characterize the subsurface architecture of a midchannel bar. A 20 × 20 m survey grid consisting...
- accretion
- aggradation
- bars
- braided streams
- channels
- facies
- fluvial sedimentation
- geometry
- geomorphology
- geophysical methods
- geophysical profiles
- geophysical surveys
- ground-penetrating radar
- radar methods
- Sauk County Wisconsin
- sedimentation
- sedimentology
- streams
- surveys
- three-dimensional models
- United States
- visualization
- Wisconsin
- Wisconsin River
- Spring Green Wisconsin
- Prairie du Chien Dam
- Muscoda Wisconsin