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Martian wind activity detected by a seismometer at Viking Lander 2 site

Nakamura, Yosio and Anderson, Don L. (1979) Martian wind activity detected by a seismometer at Viking Lander 2 site. Geophysical Research Letters, 6 (6). pp. 499-502. ISSN 0094-8276. doi:10.1029/GL006i006p00499.

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The seismic ‘background noise’ detected by the seismometer on the Viking lander 2 has an extremely high correlation with the measured wind speed at the landing site. When displayed in a compressed form, the nearly continuous seismic data clearly exhibit the diurnal as well as seasonal variations of the Martian wind activity. A preliminary spectral analysis of the long‐term variation of the background noise indicates persistent spectral peaks at periods near 1.5, 3, 7 and 10‐20 sols for the first 560 sols (0.84 Martian year) of observation.

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Additional Information:© 1979 by the American Geophysical Union. Paper number 9L0719. Received April 24, 1979; accepted May 8, 1979. We wish to thank G. V. Latham and H. J. Dorman for reviewing the manuscript and offering constructive comments. This work was supported by NASA contract NAS1-9703 and Grant NSG-7418. The University of Texas Marine Science Institute Contribution No. 338, Galveston Geophysics Laboratory. Contribution Number 3236, Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena, California 91125.
Group:Seismological Laboratory
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Caltech Division of Geological and Planetary Sciences3236
Issue or Number:6
Record Number:CaltechAUTHORS:20181127-124925155
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Official Citation:Nakamura, Y. and Anderson, D. L. (1979), Martian wind activity detected by a seismometer at Viking Lander 2 site. Geophys. Res. Lett., 6: 499-502. doi:10.1029/GL006i006p00499
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:91227
Deposited By: Tony Diaz
Deposited On:27 Nov 2018 21:38
Last Modified:16 Nov 2021 03:39

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