Campaign: VULCAN (IEO-STB 2019-053) [VULCAN-III-0421]
Description
The main target of the "VULcanología CAnaria submariNA, VULCANA" project, is to study from a physicochemical, biological and geological point of view underwater volcanoes and hydrothermal systems active or not in the entire Canary basin. In addition, special attention will be given to the continuity of studies carried out in the Tagoro submarine volcano on the island of El Hierro, continuing like this, with one of the Longest physical-chemical-biological time series in the Spanish territory. The specific objectives of the Vulcana-III-0421 will be: Study of the temporal variability of physical, chemical and biogeochemical properties. Study of the temporal variability of temperature, salinity, pH-orp inside the crater the main submarine volcano Tagoro. (b) Study of the spatio-temporal variability of thermohaline, fluorescence and oxygen fields dissolved in the hydrothermal plume of the Tagoro submarine volcano. (c) Study of the spatio-temporal variability of the biogeochemical cycles of nutrients majority (nitrogen, phosphorus, silicon and ammonium). (d) Evaluation of the anthropogenic influence through the analysis of marine microplastic in the water column 2.- Evaluation of the impact of the eruptive process on the microbial community. Study of the variability of the microbial community in relation to the emission of fluids hydrothermal by the Tagoro volcano. (b) Study of the variability of microbial abundance in relation to the emission of fluids hydrothermal by the Tagoro volcano. (c) Study of the variability of the chlorophyll concentration in relation to the emission of fluids hydrothermal by the Tagoro volcano. (d) Study of the concentration and 12C / 13C isotopic ratio of CO2 and CH4 continuously dissolved in water surface and by discrete samples at different depths in the water column.
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