Definition
Frequency-wavenumber analysis, also known as frequency-wavenumber spectral analysis, originated in atmospheric physics where it is used to partition waves into standing and traveling varieties, the advantage of which is extraction of the different velocities of the traveling waves. This approach uses classical Fourier-series based methods commonly used in other branches of science. The common output of frequency-wavenumber analysis is a diagram in which frequency is plotted horizontally and a measure of spectral density along the vertical axis. Diagrams of this type are useful in geoscience, especially in multifractal modeling and for the study of data obtained from homogeneous geologic entities sampled equidistantly along straight lines; e.g., by drilling bore-holes.
Introduction
Cressie and Wikle (2011) have pointed out that statistics for spatiotemporal data constitute the next frontier in applications of mathematical statistics to geoscientific data. Much progress in...
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Agterberg, F. (2022). Frequency-Wavenumber Analysis. In: Daya Sagar, B.S., Cheng, Q., McKinley, J., Agterberg, F. (eds) Encyclopedia of Mathematical Geosciences. Encyclopedia of Earth Sciences Series. Springer, Cham. https://doi.org/10.1007/978-3-030-26050-7_127-1
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DOI: https://doi.org/10.1007/978-3-030-26050-7_127-1
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