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Seismic Phase Amplitude decay and Implications for Event detection Rates on Mars

Knapmeyer, M. and Weber, R. C. and Lognonne, P. and ExoMars SEIS Team, (2008) Seismic Phase Amplitude decay and Implications for Event detection Rates on Mars. In: EPSC Abstracts, 3, p. 146. 3th European Planetary Science Congress, 2008-09-21 - 2008-09-26, Münster, Westfalen (Germany).

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<p>The number of seismic events detected by a seismometer during a certain interval of time depends on the sensitivity of the instrument, the level and spatial distribution of seismic activity of the planet, and the internal structure and composition of the planet. The latter controls the focusing/scattering of the seismic waves and their attenuation.</p> <p>We estimate detection rates that can be expected from the ExoMars-Seismometer. We use a Martian seismicity model [1] to estimate the number, size and distribution of marsquakes, and calculate event amplitudes from synthetic seismograms computed using normal mode summation [2] in a standard structure model of Mars [3]. In combination with the expected life times and the known sensitivities of the sensors used in the ExoMars SEIS experiment, we aim to map the expected detection rates for several seismic phases as function of landing site coordinates and to simulate the expected scientific data return from a Seismometer on a given site.</p>

Document Type:Conference or Workshop Item (Poster)
Title:Seismic Phase Amplitude decay and Implications for Event detection Rates on Mars
AuthorsInstitution or Email of Authors
Weber, R. C.USGS, Flagstaff, AZ, USA
Lognonne, P.IPGP, Paris, France
Date:22 September 2008
Journal or Publication Title:EPSC Abstracts
Refereed publication:No
In ISI Web of Science:No
Page Range:p. 146
Keywords:Martian seismicity, Mars, ExoMars, Seismometer, standard structure model, SEIS experiment, landing site selection, detectable seismic phases
Event Title:3th European Planetary Science Congress
Event Location:Münster, Westfalen (Germany)
Event Type:international Conference
Event Dates:2008-09-21 - 2008-09-26
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EW - Erforschung des Weltraums
DLR - Research area:Space
DLR - Program:W EW - Erforschung des Weltraums
DLR - Research theme (Project):W - Vorhaben Vergleichende Planetologie (old)
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research > Planetary Physics
Deposited By: Stefanie Hempel
Deposited On:15 Dec 2008
Last Modified:27 Apr 2009 15:15

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