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Open-path Fourier transform spectroscopy of gas emissions from Oldoinyo Lengai volcano, Tanzania

Abstract:

We report here novel field spectroscopic measurements of the proportions of H2O, CO2, CO and SO2 in gas emissions from Oldoinyo Lengai, the world's unique, active carbonatite volcano. We found that CO2 constitutes <40mol% of emissions from a lava lake, and 25mol% from a cooler fumarole vent. These results suggest that H2O is the predominant gas phase rather than CO2, as reported in previous studies based on conventional sampling (Trans. Am. Geophys. Union 69 (1998) 1466; J. Geophys. Res. 1...

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Institution:
University of Oxford
Department:
Oxford, MPLS, Earth Sciences
Role:
Author
Journal:
OPTICS AND LASERS IN ENGINEERING
Volume:
37
Issue:
2-3
Pages:
203-214
Publication date:
2002-01-01
DOI:
ISSN:
0143-8166
URN:
uuid:76acfafd-749b-4647-904b-15cfa0d1395b
Source identifiers:
165058
Local pid:
pubs:165058

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