NARS-Europe
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NARS was initiated by Nolet (Nolet & Vlaar, 1982) to investigate the European upper mantle structure using higher mode surface waves. Thus, the NARS-Europe configuration was set up as a antenna from Southern Sweden to South Spain directed towards the NW Pacific seismic belt. The 14 stations of NARS-Europe which were operative from 1983 till 1988 have provided a wealth of broadband data that since then have been employed for a large number and a great variety of seismological studies. Some stations were moved during the course of the project which yields the 18 different locations shown below.
References Dost, B., Preliminary results from higher-mode surface-wave measurements in western Europe using the NARS array, Tectonoph., 128, 289-301, 1986. Dost, B., The NARS array: a seismic experiment in Western Europe, PhD. Thesis, 1987. Dost, B., A. van Wettum, and G. Nolet, The NARS array, 2Geol. Mijnb., 64, 381-386, 1984. Herraiz, M., and B. Dost, El proyecto NARS: The NARS project, Rev. de geofisica, 41, 53-64, 1985. Hof, E., and G. Nolet, Q under NARS, preliminary results, in Proceedings of the Fourth EGT Workshop, edited by Nolet, G. and B. Dost, pp. 129-132, European Science Foundation, Strasbourg, 1988. Lomax, A., and R. Snieder, The contrast in upper-mantle shear-wave velocity between the East European Platform and tectonic Europe obtained with genetic algorithm inversion of Rayleigh-wave group dispersion,Geophys. J. Int., 123, 169-182, 1995. Marquering, H., Surface wave mode coupling: Modelling and inverting waveforms including body-wave phases, Geologica Ultraiectina, 137, 150 pp., 1996. Marquering, H., R. Snieder, and G. Nolet, Waveform inversions and the significance of surface wave mode coupling, Geophys. J. Int., 124, 258-278, 1996. Neele, F., and R. Snieder, Are long-period body wave coda caused by lateral heterogeneity?, Geoph. J. Int., 107, 131-153, 1991. Nolet, G., Het NARS project, Natuur en Techniek, 52, 538-552, 1984. Nolet, G., Partitioned waveform inversion and two-dimensional structure under the network of autonomously recording seismographs, J. Geophys. Res., 95, 8499-8512, 1990. Nolet, G., and N.J.Vlaar, The NARS project: probing the Earth's interior with a large seismic antenna, Terra Cognita, 2, 17-25, 1982. Nolet, G., B. Dost, and H. Paulssen, The upper mantle under Europe: An interpretation of some preliminary results from the NARS project, Geol. Mijnb., 65, 155-166, 1986. Nolet, G., B. Dost, and H. Paulssen, Intermediate wavelength seismology and the NARS experiment, Ann. Geophysicae, 4, 305-314, 1986. Nolet, G., B. Dost, and H. Paulssen, The NARS array (1983-1990), in Proc. Ist workshop on MedNet:The broad-band seismic network for the Mediterranean, edited by E. Boschi, D. Giardini and A. Morelli, pp. 76-82, 1991. Paulssen, H., Upper mantle converted waves beneath the NARS array, Geophys. Res. Lett., 12, 709-712, 1985. Paulssen, H., Lateral heterogeneity of Europe's upper mantle as inferred from modelling of broad-band body waves, Geophys. J. R. astr. Soc., 91, 171-199, 1987. Paulssen, H., Evidence for a sharp 670-km discontinuity as inferred from P to S converted waves.,J. Geophys. Res., 93, 10489-10500, 1988. Paulssen, H., Small scale structure of the upper mantle, PhD thesis, Utrecht University, 1988. Paulssen, H., and E. Stutzmann, On PP-P differential travel time measurements, Geophys. Res. Lett., in press, 1996. Snieder, R., Surface wave scattering theory, with applications to forward and inverse problems in seismology, PhD Thesis, Geologica Ultratraiectina, 50, 1987. Snieder, R., Large-Scale Waveform Inversions of Surface Waves for Lateral Heterogeneity, 2, Application to Surface Waves in Europe and the Mediterranean, J. Geophys. Res., 93, 12067-12080, 1988. Visser, J., and H. Paulssen, The crustal structure from teleseismic P-wave coda; 2. Application to data of the NARS array in western Europe, Geophys. J. Int., 112, 26-38, 1993. Zielhuis, A., S-Wave velocity below Europe from delay-time and waveform inversions, PhD Thesis, Geologica Ultraiectina, 88, 148 pp., 1992. Zielhuis,
A., and G. Nolet, Shear-wave velocity variations in the upper mantle
beneath Central Europe, Geophys. J. Int., 117, 695-715, 1994. |
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