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Published April 1, 1960 | public
Journal Article

Low-Velocity Layers in the Earth, Ocean, and Atmosphere

Abstract

These layers increase the difficulty of locating buried explosions and may cause sonar booms.

Additional Information

© 1960 American Association for the Advancement of Science. I presented the first version of this article, "Low-velocity layers in the earth's interior, the ocean and the atmosphere," upon invitation at a meeting of the American Physical Society in Mexico City in June 1950. A revised version was my presidential address before the International Association of Seismology and Physics of the Earth's Interior, in Rome, 14 Sept. 1954. This was published in condensed form in Geofisica pura e applicata [28, 1 (1954)]. This version contains many references and the original of Fig. 2. The present version is contribution No. 941 of the Division of the Geological Sciences, California Institute of Technology, Pasadena. More detailed data on the low-velocity layers in the earth, and on temperature and pressure and other physical conditions in the earth, may be found in B. Gutenberg, Physics of the Earth's Interior (Academic Press, New York, 1959). Additional data are given in B. Gutenberg, "The asthenosphere low-velocity layer," Annali di Geofisica (in press). For data concerning the low-velocity layer in the ocean, see M. Ewing and J. L. Worzel, "Long range sound transmission," in "Propagation of Sound in the Ocean," [Geol, Soc. Am. Mem. No. 27 (1948)]; also, K. Dyk and O. W. Swainson "The velocity and ray paths of sound waves in deep sea water," Geophysics 18 (1953). For discussion of propagation of sound in the atmosphere, see B. Gutenberg, in Compendium of Meteorology (American Meteorological Society, 1951), pp. 366-375.

Additional details

Created:
August 19, 2023
Modified:
October 17, 2023