Thesis Collection
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Browsing by Author "Álvarez, C. E."
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Distribution and origin of soil gas C02 and CH4 in and around Cañadas caldera, Tenerife, Canary Islands, Spain
(Sociedad Geológica de España, 1996)The distribution and origin of soil gas C 0 2 and C H 4 were investigated to have abetter understanding on the levels of diffuse degassing at the surface environnent of Cañadas caldera (Tenerife, Canary Islands). Soil gas ... -
Soil gas 222Rn, He, and 220Rn/222Rn ratios at Cañadas caldera, Tenerife, Canary Islands, Spain
(Sociedad Geológica de España, 1996)Soil gas 222Rn distribution suggest a close relationship with volcanic-geothermal features in and around Cañadas caldera according to both 1992 and 1995 soil gas suiveys. Three transects were selected for soil gas 222Rn, ... -
Volcanogenic mercury pollution in the ground water system of La Palma, Canary Islands, Spain
(Sociedad Geológica de España, 1996)Mercury measurements in groundwaters from La Palma, Canary Islands, revealed high Hg levels (up to 1500, pg/L) in some portions of the volcanic aquifer. This Hg pollution does not seem to be related to anthropogenic ...
