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Atmospheric Gravity Waves from Nuclear Explosions

I. TolstoyGeophysical Fluid Dynamics Institute, Florida State University, Tallahassee

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T. J. HerronIsotopes Inc., Westwood, N. J.

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Abstract

Atmospheric gravity waves excited by nuclear explosions were recorded on several occasions during the period 1967–68, on a large aperture (250 km × 200 km) array of long-period microbarographs (1–60 min period pass-band) in the New York-New jersey area. The spectrum of these waves peaks near a period of 15 min and their average group velocity (∼600 m sec−1), their dispersion and attenuation conform to theoretical predictions, for the surface mode.

Abstract

Atmospheric gravity waves excited by nuclear explosions were recorded on several occasions during the period 1967–68, on a large aperture (250 km × 200 km) array of long-period microbarographs (1–60 min period pass-band) in the New York-New jersey area. The spectrum of these waves peaks near a period of 15 min and their average group velocity (∼600 m sec−1), their dispersion and attenuation conform to theoretical predictions, for the surface mode.

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