Shallow Geophysical Imaging

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Google Earth image of the Okavango Delta and study areas.


Shallow Geophysical Imaging in the Okavango Delta, Botswana: A Pilot Study of Neotectonics Records in an Active Incipient Rift Basin

The goal of this project is to test different methodologies for imaging shallow faults and the sedimentary stratigraphy of the Okavango Delta, Botswana. We used several geophysical imaging tools from WHOI’s Coastal Systems Group: ground-penetrating radar (GPR), chirp acoustic sub-bottom profiler, and electrical resistivity (ER) profiler. We targeted channels that cross major faults (Gumare, Tsau, Lecha, Kunyere and Thamalakane) that are known to break the surface. We surveyed channels both in the upper and distal ends of the delta which have distinct types of sedimentation (clastic vs. chemical, respectively) and sedimentation rates, as well as major and minor channels in both areas.



 

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Last updated September 11, 2015
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