Please use this identifier to cite or link to this item:
http://hdl.handle.net/2122/4327
DC Field | Value | Language |
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dc.contributor.authorall | Strollo, A.; GFZ-Potsdam, Germany | en |
dc.contributor.authorall | Parolai, S.; GFZ-Potsdam, Germany | en |
dc.contributor.authorall | Jäckel, K.-H.; GFZ-Potsdam, Germany | en |
dc.contributor.authorall | Marzorati, S.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Milano-Pavia, Milano, Italia | en |
dc.contributor.authorall | Bindi, D.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Milano-Pavia, Milano, Italia | en |
dc.date.accessioned | 2008-11-26T11:04:15Z | en |
dc.date.available | 2008-11-26T11:04:15Z | en |
dc.date.issued | 2008-04 | en |
dc.identifier.uri | http://hdl.handle.net/2122/4327 | en |
dc.description.abstract | Using three different short-period electromagnetic sensors with resonant frequencies of 1 Hz (Mark L4C-3D), 2 Hz (Mark L-22D), and 4.5 Hz (I/O SM-6), coupled with three digital acquisition system, the PDAS Teledyne Geotech, the REFTEK 72A, and the Earth Data Logger PR6-24 (EDL), the effect of the seismic instruments on the horizontal-to-vertical spectral ratio (H/V) using seismic noise for frequencies less than 1 Hz has been evaluated. For all possible sensors - acquisition system pairs, the background seismic signal and instrumental self-noise power spectral densities have been calculated and compared. The results obtained when coupling the short-period sensors with different acquisition systems show that the performance of the considered instruments at frequencies < 1 Hz strongly depends upon the sensor-acquisition system combination and the gain used, with the best performance obtained for sensors with the lowest resonance frequency. For all acquisition systems, it was possible to retrieve correctly the H/V peak down to 0.1-0.2 Hz by using a high gain and a 1 Hz sensor. In contrast, biased H/V spectral ratios were retrieved when low-gain values were considered. Particular care is required when using 4.5 Hz sensors since they may not even allow the fundamental resonance frequency peak to be reproduced | en |
dc.language.iso | English | en |
dc.publisher.name | Seismological Society of America | en |
dc.relation.ispartof | Bulletin of Seismological Society of America | en |
dc.relation.ispartofseries | 2/98(2008) | en |
dc.relation.isversionof | http://hdl.handle.net/2122/3201 | en |
dc.subject | instrumental noise | en |
dc.subject | short-period | en |
dc.subject | horizontal to vertical spectral ratio | en |
dc.title | Suitability of short-period sensors for retrieving reliable H/V peaks for frequencies less than 1 Hz | en |
dc.type | article | en |
dc.description.status | Published | en |
dc.type.QualityControl | Peer-reviewed | en |
dc.description.pagenumber | 671-681 | en |
dc.subject.INGV | 04. Solid Earth::04.02. Exploration geophysics::04.02.07. Instruments and techniques | en |
dc.identifier.doi | 10.1785/0120070055 | en |
dc.relation.references | Essen, H.H., Krüger, F., Dahm, T. and Grevemeyer, I., 2003. On the generation of secondary microseisms observed in northern and central Europe, Journal of geophysical Research,108, NO. B10, 2506, doi:10.1029/2002JB002338. Forbriger, T., 2006. Low Frequency limit for H/V studies due to tilt, AG-Seismology session Oct. 04-06th 2006, Haidhof. Friedrich, A., Krüger, F. and Klinge, K., 1998. Ocean generated microseismic noise located with the Gräfenberg array, Journal of Seismology, 47-64. Guillier, B., Atakan, K., Chatelain, J.L., Havskov, J., Ohrnberger, M., Cara, F., Duval, A.M., Zacharopoulos, S., Teves-Costa, P. and The Sesame team, 2007. Influence of instruments on the H/V spectral ratio of ambient vibration, Bulletin of Earthquake Engineering, DOI10.1007/s10518-007-9039-0. Gutenberg, B., 1921. Handbuch der Geophysik, 4, 264:298. Holcomb, L.G., 1989. A direct method for calculating instrument noise levels in side-by-side seismometer evaluations, U.S. Geol. Surv, Open-File Rept, 89-214. http://www.geo.uni-jena.de/moxa http://www.wetterzentrale.de/topkarten/ fsreaeur.html Jung, K., 1934. Ueber mikrosesmische Unruhe und Brandung, Zeitschr. F. Geophysik, 10, 325-329. McNamara, D.E. & Buland, R.P., 2004. Ambient noise levels in the continental United States, Bull. Seismol. Soc. Am., 94(4), 1517-1527. Mucciarelli, M., 1998. Reliability and applicability of Nakamura’s technique using microtremors: an experimental approach, Journal of Earth. Eng. 2(4), 625-638. Nakamura, Y., 1989. A method for dynamic characteristics estimations of subsurface using microtremors on the ground surface, Q. Rept. RTRI Japan, 30, 25-33. Parolai, S., Bormann, P. and Milkereit, C., 2001. Assessment of the natural frequency of the sedimentary cover in the Cologne area (Germany) using noise measurements, J. Earthquake Eng., 5(4), 541-564. Parolai, S., Richwalski, S.M., Milkereit, C. and Bormann, P., 2004. Assessment of the stability of H/V spectral ratios and comparison with earthquake data in the Cologne area (Germany). Tectonophysics, 390, 57-73. Peterson, J., 1993. Observations and modeling of seismic background noise, U.S. Geol. Surv. Open-File Rept, 93-322-95. Plesinger, A. and Wielandt, E., 1974. Seismic noise at 2 Hz in Europe, J. Geophys., 40, 131-136. Riedesel, M.A., Moore, R. and Orcutt, J.A., 1990. Limits of sensitivity of inertial seismometers with velocity transducers and electronic amplifiers, Bull. Seismol. Soc. Am., 80(6), 1725-1752. Rodgers, P.W., 1992. Frequency limits for seismometers as determined from signal-to-noise ratios. Part 1. The electromagnetic seismometer, Bull. Seismol. Soc. Am., 82(2), 1071-1098. Rodgers, P.W., 1994. Self-noise spectra for 34 common electromagnetic seismometer/preamplifier pairs, Bull. Seismol. Soc. Am., 84(1), 228-228. Sleeman, R., Van Wettun, A. and Trampert, J., 2006. Three-channel correlation analysis: a new technique to measure instrumental noise of digitizers and seismic sensors, Bull. Seismol. Soc. Am., 96(1), 258-271. Wessel, P. and Smith, W.H.F., 1991. Free software helps map and display data Eos. Trans. AGU 72 (41), 441, 445-446. Webb, S.C., 1998. Broadband seismology and noise under the ocean, Reviews of Geophysics, 36 (1), 105–142. Wesson, V., 2004. http://www.seis.com.au/TechNotes/TN200410A_SNR.html, technical note. Wielandt, E., 2002. Chapter 5: Seismic sensors and their calibration. In: Bormann, P. (Ed.)(2002). IASPEI New Manual of Seismological Observatory Practice, GeoForschungsZentrum Potsdam, Vol. 1, 46 pp. | en |
dc.description.obiettivoSpecifico | 4.1. Metodologie sismologiche per l'ingegneria sismica | en |
dc.description.journalType | JCR Journal | en |
dc.description.fulltext | reserved | en |
dc.contributor.author | Strollo, A. | en |
dc.contributor.author | Parolai, S. | en |
dc.contributor.author | Jäckel, K.-H. | en |
dc.contributor.author | Marzorati, S. | en |
dc.contributor.author | Bindi, D. | en |
dc.contributor.department | GFZ-Potsdam, Germany | en |
dc.contributor.department | GFZ-Potsdam, Germany | en |
dc.contributor.department | GFZ-Potsdam, Germany | en |
dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Milano, Milano, Italia | en |
dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Milano, Milano, Italia | en |
item.openairetype | article | - |
item.cerifentitytype | Publications | - |
item.languageiso639-1 | en | - |
item.grantfulltext | restricted | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | With Fulltext | - |
crisitem.author.dept | OGS - Istituto Nazionale di Oceanografia e di Geofisica Sperimentale | - |
crisitem.author.dept | GIPP Geophysical Instrumental Pool Potsdam, Potsdam, Germany | - |
crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione ONT, Roma, Italia | - |
crisitem.author.orcid | 0000-0001-9602-6077 | - |
crisitem.author.orcid | 0000-0002-9084-7488 | - |
crisitem.author.orcid | 0000-0002-5803-4882 | - |
crisitem.author.orcid | 0000-0002-8619-2220 | - |
crisitem.author.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
crisitem.classification.parent | 04. Solid Earth | - |
crisitem.department.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
crisitem.department.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
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