Applied Geophysics – Gravity theory and measurement Gravity anomalies φ ρ cos cos 2 2 ∫ ∫ = = V M z r dV G r dM G g ∫∫∫ = 3 r zdxdydz G g z 2 2 2 ) ( ) ( z y x r + − + − = β α Sum contributions in the vertical direction Or, in Cartesian coordinates: where This is ideal for implementation in a computer code. Applied Geophysics – Gravity theory and measurement Units for g SI unit for g: m/s 2 – though you will rarely see this!
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