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Dataset results
33 results for “Ambient Noise Tomography”
The seismic signature and geothermal potential of the Schwechat Depression in the Vienna Basin, Austria, from ambient noise tomography
<p>This folder contains the cross-correlation functions, the Love and Rayleigh dispersion measurements, the Love and Rayleigh2D group velocity maps, the 3D shear-wave velocity model and a Paraview file for 3D visualization of the Vs model. For further information refer to "C. Esteve, Y. Lu, J. M. Gosselin, R. Kramer, Y. Aiman, G. Bokelmann, 2024, The seismic signature and geothermal potential of the Schwechat Depression in the Vienna Basin, Austria, from ambient noise tomography" published in Geothermics.</p>
High-resolution lithospheric shear velocity structure of the Suqian segment of the Tanlu fault zone from ambient noise tomography
<p>This file is the phase velocity dispersion curve manually picked up of Rayleigh wave in Suqian segment of the Tanlu Fault Zone. Only these Rayleigh wave dispersion curve are used for tomographic inversion.</p> <p>Rayleigh Wave Phase Dispersion Data (TL_SQ_Dispersion.zip):<br>Format:<br> Lon (station A) Lat (station A)<br> Lon (station B) Lat (station B)<br> Period (s) Vs (km/s)</p>
High-resolution lithospheric shear velocity structure of the Suqian segment of the Tanlu fault zone from ambient noise tomography
<p>Cross-correlation Functions Data(TL_SQ_CCFs.zip):<br>Format:<br> Lon (station A) Lat (station A) Elevation (A)<br> Lon (station B) Lat (station B) Elevation (B)<br> Time (t=0) GAB(t) GBA(t)<br> Time (t=dt) GAB(t) GBA(t) <br> Time (t=2dt) GAB(t) GBA(t)</p>
Fine seismic imaging of the Lianhuashan fault zone, South China, and tectonic implications – Constrained by ambient noise adjoint tomography
<p>The Rayleigh wave group velocity dispersion and the cross-correlation functions used in the study "Fine seismic imaging of the Lianhuashan fault zone, South China, and tectonic implications – Constrained by ambient noise adjoint tomography".</p>
Data from: Ambient noise tomography of upper crustal structures and Quaternary faults in the Seoul metropolitan area and its geological implications
<p class="0"><span><span><span>We investigate the upper-crustal seismic velocity structure in the Seoul metropolitan</span> <span>area, where about 20 million people live. The Chugaryeong fault zone (CFZ) is</span> <span>placed in this area, but the seismic hazard potential remains unclear. We conducted</span> <span>ambient noise tomography to illuminate the high-resolution upper-crustal structure</span> <span>in the Seoul metropolitan area. We analyzed continuous vertical seismic records</span> <span>for ~5 months from a dense seismic array with 77 broadband stations. Group</span> <span>velocity dispersion curves and tomographic maps were extracted between 0.5 and 10</span> <span>s periods. We inverted 3-D group velocity tomography models up to a depth of ~10</span> <span>km from the group velocity maps. The shear-wave velocity model is consistent with</span> <span>the geological features. High-velocity anomalies at shallow depths are correlated</span> <span>with the surface topography and geology. The CFZ is located at a low velocity below the 5 km depth and presented as the simplified model. The large </span><span>V</span><span><sub>S</sub> </span><span>contrast</span> <span>regions are located beneath NS-trending faults. The cross-sections coincide with</span> <span>the near-vertical strike-slip faults in this area. In the southern region of the Seoul</span> <span>metropolitan area, low-velocity anomalies correlate with high heat flow regions. Our</span> <span>results effectively suggest high resolution upper-crustal structures and subsurface</span> <span>hidden faults in the urban area.</span></span></span></p>
Supplementary Data for Forced Cenozoic continental subduction of Tarim craton-like lithosphere below the Tianshan revealed by ambient noise tomography
<p>Please read the README.txt file for more information.</p>
Dataset-From a natural disaster to a geothermal opportunity: the Lusi geothermal system investigated with Ambient Noise Attenuation Tomography
<p>Dataset and results of the Ambient Noise Attenuation Tomography of Lusi volcano.</p>
Data from: Ambient noise tomography of upper crustal structures and Quaternary faults in the Seoul metropolitan area and its geological implications
Open the record for dataset details and reuse information.
High-resolution lithospheric shear velocity structure of the Suqian segment of the Tanlu fault zone from ambient noise tomography
<p>Our dataset includes S-wave velocity tomography model of of the Suqian segment of the Tanlu fault zone.</p>
Dataset and 3D Vs Model for "Crustal velocity images of north-western Türkiye along the North Anatolian Fault Zone from transdimensional Bayesian ambient seismic noise tomography"
<p>Final 3D Vs model and dispersion data for the paper entitled "Crustal velocity images of north-western Türkiye along the North Anatolian Fault Zone from transdimensional Bayesian ambient seismic noise tomography".</p> <p>In the vel_files folder, there are 10 files for each depth for 1-15 km. The format of each velocity file is as follows:</p> <p>Column Value<br> 1 Lattitude (°)<br> 2 Longitude (°)<br> 3 Vs (km/s)</p> <p>The format of the dispersion data is as follows (See <a href="https://www.eas.slu.edu/eqc/eqc_cps/TUTORIAL/EMPIRICAL_GREEN/example1.html">Computer Programs in Seismology Tutorials - do_mft</a> for more information on the format):</p> <p>Column Value<br> 1 Type of file, MFT96<br> 2 Wave type: R for Rayleigh <br> 3 Dispersion type: U for group velocity<br> 4 Mode: 0 represents the fundamental mode<br> 5 Filter period, T, in seconds<br> 6 Dispersion value, either group or phase<br> 7 Error in dispersion. This is just a place holder since there is no way to estimate an error from a single trace. The group velocity error is determined from the ratio of the filter period to travel time<br> 8 Distance in km<br> 9 Azimuth from the source to the receiver<br> 10 Spectral amplitude. <br> 11 Epicenter latitude <br> 12 Epicenter longitude<br> 13 Station latitude<br> 14 Station longitude<br> 15 control flag<br> 16 control flag<br> 17 Instantaneous period if this is preferred. This differs from the ilter period because the signal spectram is not flat.<br> 18 Comment: keyword<br> 19 Station <br> 20 Component<br> 21 Year<br> 22 Day of year<br> 23 Hour<br> 24 Minute - these identify the event origin time </p>
Dataset for "Heterogenous lithospheric modifications beneath central Mongolia revealed by ambient noise tomography"
<p>This project contains the datasets needed to produce the crustal and upper-mantle shear-wave velocity model in a manuscript submitted for publicaiton. </p> <p>The folders contains the cross-correlation functions of Rayleigh wave based on seismic ambient noise recordings from recently deployed temporary seismic networks L3 and XL, and two permanent stations (II.TLY and IU.ULN). Please note that this data is provided for reproduction purposes only. . </p>
SAC files for ambient noise tomography of Sikkim Himalaya
Open the record for dataset details and reuse information.
Dataset for "Heterogenous lithospheric modifications beneath central Mongolia revealed by ambient noise tomography"
<p>This project contains the datasets needed to produce the crustal and upper-mantle shear-wave velocity model in a manuscript submitted for publicaiton with Journal of Geophysicsl Research - Solid Earth. </p><p>The folders contains the raw waveforms of vertical component from L3 array. Please note that this data is provided for reproduction purposes only.</p>
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