L03_GravCorrAnalysis-page1

L03_GravCorrAnalysis-page1 - Correct for drift Observations...

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Applied Geophysics – Corrections and analysis Corrections and analysis Reading: Today: p22-39 Next Lecture: p39-64 Gravity: Applied Geophysics – Corrections and analysis Gravity corrections Measure gravity variations at stations around loop
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Unformatted text preview: Correct for drift Observations still subject to extraneous effects unrelated to subsurface geology Must make corrections 1. Latitude correction 2. Free-air correction 3. Bouguer correction 4. Terrain correction...
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