Frequency content evolution of snow avalanche seismic signals

Surveys in Geophysics

Volumn 24, Issue 5-6, 2003, Pages 447-464

  Biescas, Berta ^a   Dufour, François ^b   Furdada, Glòria ^a   Khazaradze, Giorgi ^a   Surinach, Emma ^a  

^a UNIVERSITY OF BARCELONA   (Spain)

^b Inst Fed l'Etude Neige/Avalanches   (Switzerland)

Author keywords

Running spectrum; Seismic record; Snow avalanche; Time frequency analysis

Indexed keywords

AVALANCHES (SNOWSLIDES); SEISMOLOGY; SENSORS; SNOW;

SEISMIC SIGNALS;

GEOPHYSICS;

AVALANCHE; FREQUENCY ANALYSIS; MONITORING; SEISMIC WAVE; SEISMOGRAM;

EID: 0347900531     PISSN: 01693298     EISSN: None     Source Type: Journal    
DOI: 10.1023/B:GEOP.0000006076.38174.31     Document Type: Article

References (11)

1. Amman, W. J.: 1999, 'A New Swiss Test-Site for Avalanche Experiments in the Vallée de la Sionne/Valais', Cold Regions Science and Technology 30(1-3), 1-11.
2. Biescas, B., Dufour, F., Furdada, G., and Surinach, E.: 2002, 'El espectrograma como herramienta para la detección sísmica de aludes de nieve (ejemplo de fuente móvil)', in Primer centenario del Observatorio de Cartuja. Cien an̄os de Sismologia en Granada [cd-rom], pp. 1-3.
3. Chritin, V. and Rossi, R.: 1997, 'A l'écoute des avalanches', Neige et avalanches 78, 2-7.
4. Issler, D.: 1999, 'Vallée de la Sionne (Switzerland)', in European Avalanche Test Sites. Overview and Analysis in View of Coordinated Experiments, Technical Report 59, Swiss Federal Institute of Snow and Avalanche Research, Davos, pp. 35-54.
5. Lay, T. and Wallace, T.-C.: 1995, Modern Global Seismology, Academic Press, New York.
6. Leprettre, B., Martin, N., Glangeaud, F., and Navarre, J. P.: 1998, 'Three-Component Signal Recognition Using Time, Time-Frequency, and Polarization Information Applications to Seismic Detection of Avalanches', IEEE Transactions on Signal Processing 46(1), 83-102.
7. Nawab, S. H. and Quateri, T. F.: 1988, 'Short-Time Fourier Transform', in J. Lim and A. Oppenheim (eds.), Advanced Topics in Signal Processing, Prentice Hall, pp. 289-337.
8. Nishimura, K. and Izumi, K.: 1997, 'Seismic Signals Induced by Snow Avalanche Flow', Natural Hazards 15(1), 89-100.
9. Sabot, F., Naaim, M., Granada, F., Surinach, E., Planet, P., and Furdada, G.: 1998, 'Study of Avalanche Dynamics by Seismic Methods, Image-Processing Techniques and Numerical Models', Annals of Glaciology 26, 319-323.
10. Surinach, E., Furdada, G., Sabot, F., Biescas, B., and Vilaplana, J. M.: 2001, 'On the Characterization of Seismic Signals Generated by Snow Avalanches for Monitoring Purposes', Annals of Glaciology 32, 268-274.
11. Surinach, E., Sabot, F., Furdada, G., and Vilaplana, J. M.: 2000, 'Study of Seismic Signals of Artificially Released Snow Avalanches for Monitoring Purposes', Physics and Chemistry of the Earth 25(9), 721-727.