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free-air-anomaly

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paulinelemenkova / gmt-gravity-bathymetry-coherence

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GMT (Generic Mapping Tools) shell scripts computing the 2D-FFT spectral coherence between marine gravity and bathymetry grids (isostasy / flexural response) with grdfft, plus multi-panel maps of bathymetry, geoid, free-air gravity and vertical gravity gradient.

geoscience generic-mapping-tools geophysics scientific-visualization geodesy fft coherence gmt spectral-analysis shell-scripting isostasy bathymetry gravity-anomaly geospatial-visualization potential-field marine-geophysics grid-processing free-air-anomaly flexural-rigidity cross-spectrum
  • Updated Sep 12, 2026
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paulinelemenkova / gmt-gravity-anomaly-mapping

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Over 70 GMT (Generic Mapping Tools) shell scripts mapping marine free-air and Bouguer gravity anomalies from the Sandwell/Smith satellite-altimetry gravity grid (CryoSat-2, Jason-1) over countries, seas and ocean trenches, with colour-shaded grids, curvature/vertical-gradient variants and cartographic layout.

cartography geoscience generic-mapping-tools geophysics scientific-visualization geodesy gmt shell-scripting bathymetry map-projection satellite-altimetry gravimetry gravity-anomaly geospatial-visualization potential-field marine-geophysics grid-processing earth-gravity free-air-anomaly bouguer-anomaly
  • Updated Sep 12, 2026
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