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Detailed Reference Information |
Little, S.A., Carter, P.H. and Smith, D.K. (1993). Wavelet analysis of a bathymetric profile reveals anomalous crust. Geophysical Research Letters 20: doi: 10.1029/93GL01880. issn: 0094-8276. |
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A 200 km anomalous topographic zone was discovered using wavelet scale analysis in a 1600 km linear bathymetric profile taken northeast of Hawaii. A spectral analysis of the zone shows that the power in wavelengths shorter than 25 km averages 5--10 times lower than the surrounding topography. Conversely, wavelengths longer than 25 km have 2--3 times greater power than nearby topography. Further research reveals that this low-frequency zone correlates with the eastern flank of a regional bathymetric high which has been described by J. Mammerickx [1981>. Details of the features suggest that this zone is a small, abandoned, slow-spreading rift overprinted by a regional thermal swell. The magnitude of the feature is smaller than other, known, abandoned spreading centers, making it easy to overlook without the application of the wavelength transform. ¿ American Geophysical Union 1993 |
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Abstract |
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Keywords
Marine Geology and Geophysics, Midocean ridge processes, Marine Geology and Geophysics, Instruments and techniques |
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Publisher
American Geophysical Union 2000 Florida Avenue N.W. Washington, D.C. 20009-1277 USA 1-202-462-6900 1-202-328-0566 service@agu.org |
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