| dc.contributor.author | Jensen, Finn B. | |
| dc.contributor.author | Schmidt, Henrik | |
| dc.date.accessioned | 2018-10-11T14:05:28Z | |
| dc.date.available | 2018-10-11T14:05:28Z | |
| dc.date.issued | 1986/06 | |
| dc.identifier | 675 | |
| dc.identifier.govdoc | CP-37 | |
| dc.identifier.uri | http://hdl.handle.net/20.500.12489/112 | |
| dc.description.abstract | Recently it has become apparent that shear properties of ocean sediments are most easily determined from measured propagation characteristics of seismic interface waves. We use a newly developed numeri ca l model of wave propagation in horizontally stratified viscoelastic media to reconstruct from Scholte-wave records the shear-speed and shearattenuation profiles in the upper sediment layers of a shallow-water test area. For an unconsolidated sand-silt bottom we find the shear speed to increase with depth from 85 mls at the sea floor to 300 ml s a t 60 m depth. On the other hand, the shear attenuation at 3 Hz decreases with depth from 0.45 dB/A at the sea floor to 0.15 dB/A at 60 m depth, with an approximately quadratic frequency dependence. | |
| dc.format | 10 p. : ill. ; digital, PDF file | |
| dc.language | English | |
| dc.publisher | NATO. SACLANTCEN | |
| dc.source | In: Selected papers on ocean-seismo acoustics low-frequency underwater acoustics (SACLANTCEN Conference Proceedings CP-37), 1986, pp. 5-1 - 5-10. | |
| dc.subject | Seafloor sediments | |
| dc.subject | Seismic waves | |
| dc.subject | Seismo-acoustic propagation | |
| dc.subject | Acoustic models | |
| dc.subject | Shear waves | |
| dc.subject | Scholte waves | |
| dc.subject | Seafloor | |
| dc.title | Shear properties of ocean sediments determined from numerical modelling of Scholte wave data | |
| dc.type | Papers and Articles | |
| dc.type | Conference Proceedings (CP) | |
