Imaging high-temperature geothermal reservoirs with ambient seismic noise tomography, a case study of the Hengill geothermal field, SW Iceland
•High-resolution 3D seismic noise tomography of the Hengill geothermal field.•Potential of seismic noise tomography in geothermal exploration.•Constraining the current thermal state of high-enthalpy geothermal reservoirs.•Identifying an attractive location for the Iceland Deep Drilling Project.•Deli...
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| Veröffentlicht in: | Geothermics 2021-11, Vol.96, p.102207, Article 102207 |
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| creator | Sánchez-Pastor, P. Obermann, A. Reinsch, T. Ágústsdóttir, T. Gunnarsson, G. Tómasdóttir, S. Hjörleifsdóttir, V. Hersir, G.P. Ágústsson, K. Wiemer, S. |
| description | •High-resolution 3D seismic noise tomography of the Hengill geothermal field.•Potential of seismic noise tomography in geothermal exploration.•Constraining the current thermal state of high-enthalpy geothermal reservoirs.•Identifying an attractive location for the Iceland Deep Drilling Project.•Delineating the bottom of the steam cap through the iso-velocity of 2 km/s.
The Hengill volcanic system is located in the Reykjanes Peninsula (Iceland) and hosts two large geothermal power plants: Nesjavellir and Hellisheiði. This area is the next target for the Iceland Deep Drilling Project (IDDP) to search for super-critical fluids. Here, we investigate the potential for ambient seismic noise tomography to be used as a geothermal exploration tool. The results are compared with different geophysical observables, of which resistivity modeling shows an excellent correlation with our results. We also observe a prominent seismic velocity reduction to the south of Hverahlíð, where the most powerful boreholes in the region are located. |
| doi_str_mv | 10.1016/j.geothermics.2021.102207 |
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The Hengill volcanic system is located in the Reykjanes Peninsula (Iceland) and hosts two large geothermal power plants: Nesjavellir and Hellisheiði. This area is the next target for the Iceland Deep Drilling Project (IDDP) to search for super-critical fluids. Here, we investigate the potential for ambient seismic noise tomography to be used as a geothermal exploration tool. The results are compared with different geophysical observables, of which resistivity modeling shows an excellent correlation with our results. We also observe a prominent seismic velocity reduction to the south of Hverahlíð, where the most powerful boreholes in the region are located.</description><identifier>ISSN: 0375-6505</identifier><identifier>EISSN: 1879-3576</identifier><identifier>DOI: 10.1016/j.geothermics.2021.102207</identifier><language>eng</language><publisher>Oxford: Elsevier Ltd</publisher><subject>Alteration mineralogy ; Boreholes ; Drilling ; Geothermal power ; Geothermal power plants ; Geothermal resources ; High temperature ; High-enthalpy geothermal reservoir ; Noise ; Power plants ; Residual Bouguer gravity anomaly ; Rock resistivity ; Seismic noise tomography ; Steam cap ; Tomography</subject><ispartof>Geothermics, 2021-11, Vol.96, p.102207, Article 102207</ispartof><rights>2021 Elsevier Ltd</rights><rights>Copyright Elsevier Science Ltd. Nov 2021</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a372t-861fe40d674278cac147b71993a6191f805c12dcda33f062aa85c081b0e052c43</citedby><cites>FETCH-LOGICAL-a372t-861fe40d674278cac147b71993a6191f805c12dcda33f062aa85c081b0e052c43</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S037565052100167X$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids></links><search><creatorcontrib>Sánchez-Pastor, P.</creatorcontrib><creatorcontrib>Obermann, A.</creatorcontrib><creatorcontrib>Reinsch, T.</creatorcontrib><creatorcontrib>Ágústsdóttir, T.</creatorcontrib><creatorcontrib>Gunnarsson, G.</creatorcontrib><creatorcontrib>Tómasdóttir, S.</creatorcontrib><creatorcontrib>Hjörleifsdóttir, V.</creatorcontrib><creatorcontrib>Hersir, G.P.</creatorcontrib><creatorcontrib>Ágústsson, K.</creatorcontrib><creatorcontrib>Wiemer, S.</creatorcontrib><title>Imaging high-temperature geothermal reservoirs with ambient seismic noise tomography, a case study of the Hengill geothermal field, SW Iceland</title><title>Geothermics</title><description>•High-resolution 3D seismic noise tomography of the Hengill geothermal field.•Potential of seismic noise tomography in geothermal exploration.•Constraining the current thermal state of high-enthalpy geothermal reservoirs.•Identifying an attractive location for the Iceland Deep Drilling Project.•Delineating the bottom of the steam cap through the iso-velocity of 2 km/s.
The Hengill volcanic system is located in the Reykjanes Peninsula (Iceland) and hosts two large geothermal power plants: Nesjavellir and Hellisheiði. This area is the next target for the Iceland Deep Drilling Project (IDDP) to search for super-critical fluids. Here, we investigate the potential for ambient seismic noise tomography to be used as a geothermal exploration tool. The results are compared with different geophysical observables, of which resistivity modeling shows an excellent correlation with our results. We also observe a prominent seismic velocity reduction to the south of Hverahlíð, where the most powerful boreholes in the region are located.</description><subject>Alteration mineralogy</subject><subject>Boreholes</subject><subject>Drilling</subject><subject>Geothermal power</subject><subject>Geothermal power plants</subject><subject>Geothermal resources</subject><subject>High temperature</subject><subject>High-enthalpy geothermal reservoir</subject><subject>Noise</subject><subject>Power plants</subject><subject>Residual Bouguer gravity anomaly</subject><subject>Rock resistivity</subject><subject>Seismic noise tomography</subject><subject>Steam cap</subject><subject>Tomography</subject><issn>0375-6505</issn><issn>1879-3576</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNqNkE1LxDAQhoMouH78h4hXu07STdMeZVF3QfCg4jFk02mbpW3WJKvsn_A3G1kFj54Ghneel3kIuWAwZcCK6_W0RRc79IM1YcqBs7TnHOQBmbBSVlkuZHFIJpBLkRUCxDE5CWENAFJImJDP5aBbO7a0s22XRRw26HXceqS_XN1TjwH9u7M-0A8bO6qHlcUx0oA2pF46OhuQRje41utNt7uimhqdViFu6x11DU0kusCxtX3_F9xY7Osr-vRKlwZ7PdZn5KjRfcDzn3lKXu5un-eL7OHxfjm_ech0LnnMyoI1OIO6kDMuS6MNm8mVZFWV64JVrClBGMZrU-s8b6DgWpfCQMlWgCC4meWn5HLP3Xj3tsUQ1dpt_ZgqFRdlzljBJU-pap8y3oXgsVEbbwftd4qB-tav1uqPfvWtX-31p9v5_hbTG-8WvQomSTNYW48mqtrZf1C-APoPlhc</recordid><startdate>202111</startdate><enddate>202111</enddate><creator>Sánchez-Pastor, P.</creator><creator>Obermann, A.</creator><creator>Reinsch, T.</creator><creator>Ágústsdóttir, T.</creator><creator>Gunnarsson, G.</creator><creator>Tómasdóttir, S.</creator><creator>Hjörleifsdóttir, V.</creator><creator>Hersir, G.P.</creator><creator>Ágústsson, K.</creator><creator>Wiemer, S.</creator><general>Elsevier Ltd</general><general>Elsevier Science Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7ST</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>KR7</scope><scope>SOI</scope></search><sort><creationdate>202111</creationdate><title>Imaging high-temperature geothermal reservoirs with ambient seismic noise tomography, a case study of the Hengill geothermal field, SW Iceland</title><author>Sánchez-Pastor, P. ; Obermann, A. ; Reinsch, T. ; Ágústsdóttir, T. ; Gunnarsson, G. ; Tómasdóttir, S. ; Hjörleifsdóttir, V. ; Hersir, G.P. ; Ágústsson, K. ; Wiemer, S.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a372t-861fe40d674278cac147b71993a6191f805c12dcda33f062aa85c081b0e052c43</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Alteration mineralogy</topic><topic>Boreholes</topic><topic>Drilling</topic><topic>Geothermal power</topic><topic>Geothermal power plants</topic><topic>Geothermal resources</topic><topic>High temperature</topic><topic>High-enthalpy geothermal reservoir</topic><topic>Noise</topic><topic>Power plants</topic><topic>Residual Bouguer gravity anomaly</topic><topic>Rock resistivity</topic><topic>Seismic noise tomography</topic><topic>Steam cap</topic><topic>Tomography</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Sánchez-Pastor, P.</creatorcontrib><creatorcontrib>Obermann, A.</creatorcontrib><creatorcontrib>Reinsch, T.</creatorcontrib><creatorcontrib>Ágústsdóttir, T.</creatorcontrib><creatorcontrib>Gunnarsson, G.</creatorcontrib><creatorcontrib>Tómasdóttir, S.</creatorcontrib><creatorcontrib>Hjörleifsdóttir, V.</creatorcontrib><creatorcontrib>Hersir, G.P.</creatorcontrib><creatorcontrib>Ágústsson, K.</creatorcontrib><creatorcontrib>Wiemer, S.</creatorcontrib><collection>CrossRef</collection><collection>Environment Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>Environment Abstracts</collection><jtitle>Geothermics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Sánchez-Pastor, P.</au><au>Obermann, A.</au><au>Reinsch, T.</au><au>Ágústsdóttir, T.</au><au>Gunnarsson, G.</au><au>Tómasdóttir, S.</au><au>Hjörleifsdóttir, V.</au><au>Hersir, G.P.</au><au>Ágústsson, K.</au><au>Wiemer, S.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Imaging high-temperature geothermal reservoirs with ambient seismic noise tomography, a case study of the Hengill geothermal field, SW Iceland</atitle><jtitle>Geothermics</jtitle><date>2021-11</date><risdate>2021</risdate><volume>96</volume><spage>102207</spage><pages>102207-</pages><artnum>102207</artnum><issn>0375-6505</issn><eissn>1879-3576</eissn><abstract>•High-resolution 3D seismic noise tomography of the Hengill geothermal field.•Potential of seismic noise tomography in geothermal exploration.•Constraining the current thermal state of high-enthalpy geothermal reservoirs.•Identifying an attractive location for the Iceland Deep Drilling Project.•Delineating the bottom of the steam cap through the iso-velocity of 2 km/s.
The Hengill volcanic system is located in the Reykjanes Peninsula (Iceland) and hosts two large geothermal power plants: Nesjavellir and Hellisheiði. This area is the next target for the Iceland Deep Drilling Project (IDDP) to search for super-critical fluids. Here, we investigate the potential for ambient seismic noise tomography to be used as a geothermal exploration tool. The results are compared with different geophysical observables, of which resistivity modeling shows an excellent correlation with our results. We also observe a prominent seismic velocity reduction to the south of Hverahlíð, where the most powerful boreholes in the region are located.</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.geothermics.2021.102207</doi></addata></record> |
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| subjects | Alteration mineralogy Boreholes Drilling Geothermal power Geothermal power plants Geothermal resources High temperature High-enthalpy geothermal reservoir Noise Power plants Residual Bouguer gravity anomaly Rock resistivity Seismic noise tomography Steam cap Tomography |
| title | Imaging high-temperature geothermal reservoirs with ambient seismic noise tomography, a case study of the Hengill geothermal field, SW Iceland |
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