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1803
Environmental Research Division
Institute of Technology and Renewable Energy (ITER)
Poligono Industrial de Granadilla, s/n
38611 San Isidro, Tenerife
Islas Canarias
Spain
| Telephone : |
(34) 922 391000; (34) 922-390355, Ext. 25 (direct) |
| Telefax : | (34) 922 391001 |
| Scientist in Charge : |
Nemesio M. Perez |
| Email : | iter@iter.rcanaria.es nperez@iter.rcanaria.es |
| Website : | www.iter.es/proyec-med-amb.htm |
Staff:
Pedro A. Hernandez - Geochemistry
Jose M. L. Salazar - Geochemistry
Jose Manuel Navarro - Volcanology
R. Noemi Lima - Geochemistry
Lourdes Castro - Geochemistry
Tomas Zarate - Volcanology
ITER active volcano research group is developing a geochemical monitoring program for volcanic surveillance of the Canary Islands where volcano monitoring has been mainly performed by means of conventional geophysical methods. Establishing a multidisciplinary approach (geophysics and geochemistry) for volcano surveillance is one of our goals for reducing risk in the Canaries.
(1) Teide volcano (Tenerife Is.)
CONTINUOUS GEOCHEMICAL MONITORING
- Continuous monitoring of soil CO2, He, H2, and flux measurements at the summit of Teide volcano. Data is daily transmitted by GSM.
- Continuous monitoring of dissolved gases in ground waters by means of quadrupole mass spectrometry (QMS) and alfa spectrometry in 2 observation sites of the volcanic aquifer of Tenerife. Data will be daily transmitted by GSM (starting in December 1999).
- Hydrochemical monitoring network of 4 observation sites for non-continous measurements of physical-chemical parameters in ground waters of the volcanic aquifer. Ground water samples have been collected weekly since May 1997.
- Integrated soil CO2 flux monitoring network of 24 observation sites situated along the three major volcanic rift-zones of Tenerife. Samples have been collected weekly since March 1997.
- Geochemical monitoring of fumarolic discharges from the summit of Teide volcano. Samples have been collected weekly since March 1997.
- Carbon dioxide diffuse degassing at the summit of Teide volcano releases about 380 tons/day to the atmosphere. Mapping is performed every 3 years (first survey in 1998).
(2) El Hierro volcano (El Hierro Is.)
NON-CONTINUOUS GEOCHEMICAL MONITORING
- Hydrochemical monitoring network of 2 observation sites for non-continuous measurement of physical-chemical parameters in ground waters of the volcanic aquifer. Ground water samples are collected weekly since March 1998.
- Integrated soil CO2 flux monitoring network of 24 observation sites situation along the three major volcanic rift-zones of Tenerife. Samples are collected weekly since March 1998.
- Carbon dioxide diffuse degassing at El Hierro volcano releases about 190 tons/day to the atmosphere. Mapping is performed every 3 years (first survey in 1998).
(3) Cumbre Vieja volcano (La Palma Is.)
CONTINUOUS GEOCHEMICAL MONITORING
- Continuous monitoring of dissolved gases in ground waters by means of quadrupole mass spectrometry (QMS) and alfa spectrometry in 1 observation site of the volcanic aquifer of La Palma. Data is daily transmitted by GSM since September 1998.
- Hydrochemical monitoring network of 2 observation sites for non-continuous measurements of physical-chemical parameters in ground waters of the volcanic aquifer. Ground water samples are collected weekly.
- Integrated soil CO2 flux monitoring network of 24 observation sites situated along the three major volcanic rift-zones of Tenerife. Samples are collected weekly.
- Carbon dioxide diffuse degassing at Cumbre Vieja volcano releases about 590 tons/day to the atmospshere. Mapping is performed every three years (first survey in 1997).
(4) Timanfaya volcano (Lanzarote Is.)
NON-CONTINUOUS GEOCHEMICAL MONITORING
- Carbon dioxide diffuse degassing mapping at Timanfaya volcano. Mapping will be performed every three years (First survey was slated for 1999).
Information updated March 2003
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