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Letters to Nature
Nature 314, 245-247 (21 March 1985) | doi:10.1038/314245a0; Accepted 26 November 1984
Theory of radar imaging of internal waves
Werner Alpers
- Institut für Meereskunde, Universität Hamburg, and Max-Planck-Institut für Meteorologie, Bundesstrasse 55, 2000 Hamburg 13, FRG
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Abstract
Radar images taken over ocean areas, in particular, those obtained by the synthetic aperture radar (SAR) onboard the American Seasat satellite in 19781,2, sometimes show features that seem to be surface manifestations of oceanic internal waves3–11. Here I present a theory explaining the large radar signatures of internal waves in which the imaging is attributed to variations in the short-scale surface roughness induced by current variations associated with internal waves.
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