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Scientists at the Institute of Technology and Renewable Energies (ITER), an agency of the Cabildo Insular de Tenerife and which now form part of volcanological Institute of the Canaries (non-tip), were able to estimate the emission of carbon dioxide (CO2) and sulfur hydrogen (H2S) into the atmosphere by the submarine volcano of El Hierro. The emission of carbon dioxide (CO2) into the atmosphere grew to 54,160 tons a day estimates on Sunday [Day 6], whereas the results of subsequent days yielded estimated emission values of the order of 15,446 [day 7 ] and 12,718 [day 8] tonnes per day.
On the other hand, as to estimates of the emission of hydrogen sulfide (H2S) values were recorded 36, 15 and 12 tonnes per day. These results have been reported by scientists at the non-tip in the direction of the Civil Protection Special Plan for Volcanic Risk in the Canary Islands (PEVOLCA) given the interest they represent for the management of the volcanic crisis of El Hierro. The analysis of the temporal evolution of emissions of carbon dioxide (CO2) and hydrogen sulfide (H2S) reflect a downward trend in their values over this short period of observation. Measurements of carbon dioxide emissions (CO2) and hydrogen sulfide (H2S) have failed to materialize with the support and collaboration of the Helicopter
Service of the Guardia Civil in the Canary Islands to perform these measurements in air mobile position combining the use of optical remote sensing and COSPEC miniDOAS type, in order to estimate the emission of sulfur dioxide (SO2) using multiparameter portable instrument that has infrared and electrochemical sensors that provide insight into the relationships of some of the major components volcanic gases such as CO2 / SO2 and H2S / SO2. Non-tip is an institution demanded unanimously by the Senate (2005), Parliament of the Canary Islands (2006) and House of Representatives (2009) with the aim of contributing to improving and optimizing the management of volcanic risk in Spain.