
XXXIII Expedition
The XXXIII expedition was the second of ICE-VOLC project. The scientific activities dealt with:
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• Geochemistry
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• Volcanology
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• Seismology
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Geochemistry
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The geochemical investigation performed during 28 October- 23 November 2017 mainly focused on the fumaroles and Ice Caves of both Mt. Melbourne and Rittmann. The following activities were performed:
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- Thermal analysis of the fumarole areas.
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​- Extended the exploration and mapping of MC3 Ice Cave on Mt. Melbourne and R5 on Mt. Rittmann.
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- Installation of a temporary geochemical-meteo station in the Aurora Ice Cave, to test the possibility of continuously monitoring the gas and heat fluxes released by the cave.
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- Installation of 2 microloggers to evaluate the heat flux from soil in Aurora Ice Cave.
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- Download of almost 1 year long air temperature dataset from the micrologger inside Aurora Cave, and logging restart.
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- 3D experimental survey of a portion of tunnel in Aurora.
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​- Collection of 2 samples of gas in MC3 Ice Cave
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- FTIR and UV measurements of gas in both volcanoes
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- Investigation of Mt. Rittman's plumes using a visible and NIR sun-photometer.
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© PNRA
© PNRA
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© PNRA
Volcanology
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The main volcanological activities during the XXXIII expedition were:
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- Identification of ash layers within the glaciers around Mt. Melbourne​
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- Collection of 4 samples of ash from Backer Rocks cliff on Mt. Melbourne.

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Seismology
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The main seismological activities were:
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- Installation of a permanent seismo-acoustic station on Mt. Rittmann​
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- Installation of two temporary seismic station on Mt. Rittmann







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