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Gravity and Magnetics
Gravity routines |
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MakeGravGridDH | Create 2D cylindrical maps on a flattened and rotating ellipsoid of all three components of the gravity field, the gravity disturbance, and the gravitational potential. |
MakeGravGradGridDH | Calculate the components of the gravity "gradient" tensor on a flattened ellipsoid. |
MakeGeoidGrid | Create a global map of the geoid. |
CilmPlus | Calculate the gravitational potential exterior to relief along a spherical interface using the finite-amplitude algorithm of Wieczorek and Phillips (1998). |
CilmMinus | Calculate the gravitational potential interior to relief along a spherical interface using the finite-amplitude algorithm of Wieczorek and Phillips (1998). |
CilmPlusRhoH | Calculate the gravitational potential exterior to relief along a spherical interface with laterally varying density using the finite amplitude algorithm of Wieczorek (2007). |
CilmMinusRhoH | Calculate the gravitational potential interior to relief along a spherical interface with laterally varying density using the finite amplitude algorithm of Wieczorek (2007). |
BAtoHilm | Calculate iteratively the relief along an interface with constant density contrast that corresponds to a given Bouguer anomaly using the algorithm of Wieczorek and Phillips (1998). |
BAtoHilmRhoH | Iteratively calculate the relief along an interface with laterally varying density contrast that corresponds to a given Bouguer anomaly using the algorithm of Wieczorek and Phillips (1998). |
DownContFilterMA | Compute the minimum-amplitude downward continuation filter of Wieczorek and Phillips (1998). |
DownContFilterMC | Calculate a minimum-curvature downward continuation filter for a given spherical harmonic degree. |
NormalGravity | Calculate the normal gravity on a flattened ellipsoid using the formula of Somigliana. |
Magnetics routines |
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MakeMagGridDH | Create 2D cylindrical maps on a flattened ellipsoid of all three vector components of the magnetic field, the magnitude of the magnetic field, and the magnetic potential. |
SHMagPowerSpectrum | Compute the power spectrum of the magnetic field given the Schmidt seminormalized magnetic potential spherical harmonic coefficients. |
SHMagPowerL | Compute the power of the magnetic field for a single degree L given the Schmidt seminormalized magnetic potential spherical harmonic coefficients. |
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