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Structure at the Top and Bottom of the Mantle

Two Examples of Use of Broad-Band Data in Seismic Tomography

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Monitoring a Comprehensive Test Ban Treaty

Part of the book series: NATO ASI Series ((NSSE,volume 303))

Abstract

Beginning about a decade ago [1], the appreciation of the need for broadband data with a high dynamic range from globally distributed stations has led the seismological community to undertake several initiatives. Examples are the GEOSCOPE, IRIS/IDA, IRIS/USGS, MedNet and GEOFON networks, complemented by national efforts, such as in China, Canada or Mexico. All these groups co-operate in co-ordinating station deployment and data exchange within the framework of the Federation of Digital Seismographic Networks (FDSN; [2]). There are now 80–100 operational stations with the very-broad-band response (0.2-360 seconds) and dynamic range up to 140 db that meet the FDSN Network requirements. Their geographical distribution is yet far from the optimal, with only 25% of the stations located in the Sorthern Hemisphere and with the vast unoccupied oceanic areas.

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Authors and Affiliations

  1. Department of Earth and Planetary Sciences, Harvard University, Cambridge, MA, 02138, USA

    A. M. Dziewonski, G. Ekström & X.-F. Liu

Authors
  1. A. M. Dziewonski
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  2. G. Ekström
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  3. X.-F. Liu
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Editors and Affiliations

  1. Institute of Solid Earth Physics, University of Bergen, Allegaten 41, N-5007, Bergen, Norway

    Eystein S. Husebye

  2. Earth Sciences Division, Phillips Laboratory/GPE, 29 Randolph Road, Hanscom AFB, Massachusetts, 01731-3010, USA

    Anton M. Dainty

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Dziewonski, A.M., Ekström, G., Liu, XF. (1996). Structure at the Top and Bottom of the Mantle. In: Husebye, E.S., Dainty, A.M. (eds) Monitoring a Comprehensive Test Ban Treaty. NATO ASI Series, vol 303. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-0419-7_28

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  • DOI: https://doi.org/10.1007/978-94-011-0419-7_28

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-94-010-4187-4

  • Online ISBN: 978-94-011-0419-7

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