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Gravity Data, Advanced Processing

  • Reference work entry
  • First Online:
Encyclopedia of Solid Earth Geophysics

Part of the book series: Encyclopedia of Earth Sciences Series ((EESS))

  • 216 Accesses

Synonyms

Gravity: spectral methods; Potential field transforms

Definition

Spectral analysis. Estimation and analysis of global frequency content of a signal, assumed stationary, most often using the Fast Fourier Transform (FFT).

Potential field transformations. Process of converting gravity (or magnetic) survey data into a new and physically meaningful form to facilitate its geological interpretation.

Euler and Werner deconvolution. Methods for automatically estimating depths to sources from gravity (or magnetic) survey data.

Wavelet analysis. Estimation and analysis of local frequency content of a non-stationary signal, using a wavelet transform (WT).

Introduction

The use of spectral analysis to interpret gravity anomalies goes back to the 1930s, but the modern approach in terms of the Fourier transform (FT) was developed in the 1960s and 1970s. Most of the methods are equally applicable to magnetic data, which is their more common area of use because of the huge volume of...

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Author information

Authors and Affiliations

  1. Department of Spatial Sciences, Curtin University of Technology, GPO Box U1987, 6845, Perth, WA, Australia

    Christopher J. Swain & Jonathan F. Kirby

Authors
  1. Christopher J. Swain
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  2. Jonathan F. Kirby
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Corresponding author

Correspondence to Christopher J. Swain .

Editor information

Editors and Affiliations

  1. National Geophysical Research Institute, Council of Scientific and Industrial Research, Hyderabad, India

    Harsh K. Gupta

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Swain, C.J., Kirby, J.F. (2011). Gravity Data, Advanced Processing. In: Gupta, H.K. (eds) Encyclopedia of Solid Earth Geophysics. Encyclopedia of Earth Sciences Series. Springer, Dordrecht. https://doi.org/10.1007/978-90-481-8702-7_89

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