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Experimental investigation of seismic metamaterials: Application to wind farms with dense seismic arrays – META-WT

Authors
/persons/resource/pilz

Pilz,  M.
2.6 Seismic Hazard and Risk Dynamics, 2.0 Geophysics, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;
GEOFON, Deutsches GeoForschungsZentrum;
Publikationen aller GIPP-unterstützten Projekte, Deutsches GeoForschungsZentrum;

Ohrnberger,  Matthias
GEOFON, Deutsches GeoForschungsZentrum;
External Organizations;
Publikationen aller GIPP-unterstützten Projekte, Deutsches GeoForschungsZentrum;

Roux,  Philippe
GEOFON, Deutsches GeoForschungsZentrum;
External Organizations;
Publikationen aller GIPP-unterstützten Projekte, Deutsches GeoForschungsZentrum;

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Citation

Pilz, M., Ohrnberger, M., Roux, P. (2023): Experimental investigation of seismic metamaterials: Application to wind farms with dense seismic arrays – META-WT.
https://doi.org/10.14470/KS178126


Cite as: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5018555
Abstract
The META-WT project was designed to perform a 4-weeks seismic experiment in Germany with a dense seismic array of ~400 three-component geophones that covered (1) a 2.5km x 2.5km wind farm area in Brandenburg, Germany, with almost 200 wind turbines (WTs) and a well-studied subsurface structure and (2) a 20-km long radial line from the center of the wind farm with one geophone every half-kilometer. The objective was to capture the spatio-temporal seismic wave-field signature of the wind farm from continuous recordings of ambient noise. Due to the dense interstation distance and proposed geometry the experiment allowed for analyzing both small-scale wave field characteristics at an unprecedented spatial resolution and the longer distance radiation pattern of the wind farm. Waveform data is available from the GEOFON data centre, under network code XF, and is embargoed until Jan 2025.