@article{fdi:010060600, title = {{P}rocedure to construct three-dimensional models of geothermal areas using seismic noise cross-correlations : application to the {S}oultz-sous-{F}orets enhanced geothermal site}, author = {{C}alo, {M}. and {K}innaert, {X}. and {D}orbath, {C}atherine}, editor = {}, language = {{ENG}}, abstract = {{T}he aim of this work is to assess the feasibility of the noise-cross correlation tomography method for imaging and detecting potential geothermal reservoirs even in highly urbanised areas. {W}e tested the noise correlation method to reconstruct the shape of the {S}outlz-sous-{F}orets enhanced geothermal system (northern {A}lsace, {F}rance). {W}e inverted {R}ayleigh waves ({RW}s) reconstructed from cross-correlations of 15 months of ambient seismic noise recorded by a seismic array installed around the {S}outlz geothermal power plant. {B}y correlating noise records between 22 receivers, we reconstructed {RW}s with sufficient signal-to-noise ratio for 231 interstation paths. {T}he reconstructed waveforms were used to estimate group velocity dispersion curves at periods between 1.0 and 5.0 s. {T}he results were inverted for 2-{D} group velocity maps, and finally for a 3-{D} {S}-wave velocity model from 0 to 5.2 km depth. {O}ur results clearly show the presence of low velocity bodies in the crystalline basement below the {S}oultz power plant at depth of 4-5 km, and at shallower depth (2.5-3.5 km) beneath the {R}ittershoffen and {W}oerth villages. {T}hese observations, in agreement with some previous studies, confirm that our procedure is suitable for geothermal exploration. {F}urthermore, the model presented here provides some suggestions to improve the existing geothermal power plant and inferences for further explorations in the area.}, keywords = {{I}nterferometry ; {H}ydrothermal systems ; {S}eismic tomography ; {C}rustal structure ; {FRANCE}}, booktitle = {}, journal = {{G}eophysical {J}ournal {I}nternational}, volume = {194}, numero = {3}, pages = {1893--1899}, ISSN = {0956-540{X}}, year = {2013}, DOI = {10.1093/gji/ggt205}, URL = {https://www.documentation.ird.fr/hor/fdi:010060600}, }