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Hydrogeochemical temporal variations related to changes of seismic activity at Tenerife, Canary Islands.

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Title: Hydrogeochemical temporal variations related to changes of seismic activity at Tenerife, Canary Islands.
Authors: Amonte, Cecilia1 (AUTHOR) cecilia@iter.es, Asensio-Ramos, María1 (AUTHOR), Melián, Gladys V.1,2,3 (AUTHOR), Pérez, Nemesio M.1,2,3 (AUTHOR), Padrón, Eleazar1,2,3 (AUTHOR), Hernández, Pedro A.1,2,3 (AUTHOR), Rodríguez, Fátima1 (AUTHOR), D'Auria, Luca1,2 (AUTHOR), López, Dina1,4 (AUTHOR)
Source: Bulletin of Volcanology. Apr2021, Vol. 83 Issue 4, p1-18. 18p.
Subject Terms: *Groundwater temperature, *Islands, *Electric conductivity, *Alkalinity, *Groundwater, *Aquifer pollution
Geographic Terms: Tenerife (Canary Islands), Canary Islands
Abstract: This work presents the results of a hydrogeochemical study conducted in two galleries on the island of Tenerife: Fuente del Valle and San Fernando, during a 2-year period with weekly sampling (July 2016 to July 2018). Groundwater temperature, pH, and electrical conductivity exhibited stable values throughout the study period, while significant temporal variations were observed in the total alkalinity, SO42−/Cl− ratio (in meq·L−1), and isotopic composition (δ18O and δD). δ13CTDIC values showed an endogenous signature for both galleries, while δ18O and δD values indicated a meteoric origin with interaction with endogenous gases, mainly CO2. Changes in isotopic ratios coincided with variations observed in alkalinity and SO42−/Cl− ratio. On October 2, 2016, a seismic swarm of long-period events was recorded on Tenerife followed by a general increase of the seismic activity in and around the island. A correlation was observed between some hydrogeochemical parameters in the groundwaters of the galleries related to observed changes of the seismic activity. [ABSTRACT FROM AUTHOR]
Database: Energy & Power Source
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Header DbId: enr
DbLabel: Energy & Power Source
An: 149867241
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: Hydrogeochemical temporal variations related to changes of seismic activity at Tenerife, Canary Islands.
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  Label: Authors
  Group: Au
  Data: <searchLink fieldCode="AR" term="%22Amonte%2C+Cecilia%22">Amonte, Cecilia</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> cecilia@iter.es</i><br /><searchLink fieldCode="AR" term="%22Asensio-Ramos%2C+María%22">Asensio-Ramos, María</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Melián%2C+Gladys+V%2E%22">Melián, Gladys V.</searchLink><relatesTo>1,2,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Pérez%2C+Nemesio+M%2E%22">Pérez, Nemesio M.</searchLink><relatesTo>1,2,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Padrón%2C+Eleazar%22">Padrón, Eleazar</searchLink><relatesTo>1,2,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Hernández%2C+Pedro+A%2E%22">Hernández, Pedro A.</searchLink><relatesTo>1,2,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Rodríguez%2C+Fátima%22">Rodríguez, Fátima</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22D'Auria%2C+Luca%22">D'Auria, Luca</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22López%2C+Dina%22">López, Dina</searchLink><relatesTo>1,4</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Bulletin+of+Volcanology%22">Bulletin of Volcanology</searchLink>. Apr2021, Vol. 83 Issue 4, p1-18. 18p.
– Name: Subject
  Label: Subject Terms
  Group: Su
  Data: *<searchLink fieldCode="DE" term="%22Groundwater+temperature%22">Groundwater temperature</searchLink><br />*<searchLink fieldCode="DE" term="%22Islands%22">Islands</searchLink><br />*<searchLink fieldCode="DE" term="%22Electric+conductivity%22">Electric conductivity</searchLink><br />*<searchLink fieldCode="DE" term="%22Alkalinity%22">Alkalinity</searchLink><br />*<searchLink fieldCode="DE" term="%22Groundwater%22">Groundwater</searchLink><br />*<searchLink fieldCode="DE" term="%22Aquifer+pollution%22">Aquifer pollution</searchLink>
– Name: SubjectGeographic
  Label: Geographic Terms
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Tenerife+%28Canary+Islands%29%22">Tenerife (Canary Islands)</searchLink><br /><searchLink fieldCode="DE" term="%22Canary+Islands%22">Canary Islands</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: This work presents the results of a hydrogeochemical study conducted in two galleries on the island of Tenerife: Fuente del Valle and San Fernando, during a 2-year period with weekly sampling (July 2016 to July 2018). Groundwater temperature, pH, and electrical conductivity exhibited stable values throughout the study period, while significant temporal variations were observed in the total alkalinity, SO42−/Cl− ratio (in meq·L−1), and isotopic composition (δ18O and δD). δ13CTDIC values showed an endogenous signature for both galleries, while δ18O and δD values indicated a meteoric origin with interaction with endogenous gases, mainly CO2. Changes in isotopic ratios coincided with variations observed in alkalinity and SO42−/Cl− ratio. On October 2, 2016, a seismic swarm of long-period events was recorded on Tenerife followed by a general increase of the seismic activity in and around the island. A correlation was observed between some hydrogeochemical parameters in the groundwaters of the galleries related to observed changes of the seismic activity. [ABSTRACT FROM AUTHOR]
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=enr&AN=149867241
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      – Type: doi
        Value: 10.1007/s00445-021-01445-4
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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 18
        StartPage: 1
    Subjects:
      – SubjectFull: Groundwater temperature
        Type: general
      – SubjectFull: Islands
        Type: general
      – SubjectFull: Electric conductivity
        Type: general
      – SubjectFull: Alkalinity
        Type: general
      – SubjectFull: Groundwater
        Type: general
      – SubjectFull: Aquifer pollution
        Type: general
      – SubjectFull: Tenerife (Canary Islands)
        Type: general
      – SubjectFull: Canary Islands
        Type: general
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      – TitleFull: Hydrogeochemical temporal variations related to changes of seismic activity at Tenerife, Canary Islands.
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            – D: 01
              M: 04
              Text: Apr2021
              Type: published
              Y: 2021
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