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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2018.1
- 수록면
- 183 - 197 (15page)
이용수
초록· 키워드
오류제보하기
Volcanic gases have been monitored to predict eruptions since their compositions are strongly affected by volcanic activities. Here, volcanic gas geochemistry is reviewed with the main focus placed on the potential use of volcanic gases as eruption precursors. First, volcanic activities are differentiated into four eruptive cycles: eruptive, post-eruptive, inter-eruptive, and pre-eruptive periods. Second, we discuss geochemical factors affecting volcanic gas compositions: magma origin and degassing, hydrothermal interactions, and meteorological variability. Third, volcanic gas data in previous studies are revisited to address the practical aspects in utilizing volcanic gas compositions to predict eruptions. As a magma is depressurized due to its uprising, volcanic gases become progressively exsolved. Generally, the fluxes of volcanic gases (e.g., CO2, SO2, H2S, etc.) increase considerably close to eruptions. Also, CO2/SO2, SO2/HCl, and SO2/HF ratios in volcanic gases tend to decrease at the imminence of eruptions. Nonetheless, such trends may not be encountered due to both kinetically limited degassing and secondary effects including hydrothermal interactions and meteorological variability. Due to the site specificity of the aforementioned effects, a comprehensive understanding of volcanic gas chemistry requires the knowledge of magma vents and reservoirs as well as hydrothermal systems below volcanoes. Accordingly, the integrated use of volcanic gas data with geophysical and geomorphological information can warrant a better prediction of eruptions.
목차
등록된 정보가 없습니다.
참고문헌 (121)
참고문헌 신청
Aiuppa, A. / 2005 / $H_2S$ fluxes from Mt. Etna, Stromboli, and Vulcano (Italy) and implications for the sulfur budget at volcanoes / Geochimica et Cosmochimica Acta 69:1861~1871
Aiuppa, A. / 2007 / Forecasting Etna eruptions by real-time observation of volcanic gas composition / Geology 35:1115~1118
Aiuppa, A / 2009 / Degassing of halogens from basaltic volcanism: insights from volcanic gas observations / Chemical Geology 263:99~109
Aiuppa, A. / 2009 / The 2007 eruption of Stromboli volcano: insights from real-time measurement of the volcanic gas plume $CO_2$ /$SO_2$ ratio / Journal of Volcanology and Geothermal Research 182:221~230
Allard, P. / 1983 / The origin of hydrogen, carbon, sulphur, nitrogen and rare gases in volcanic exhalations: evidence from isotope geochemistry;Forecasting Volcanic Events / Elsevier :337~386
Aiuppa, A. / 2007 / Forecasting Etna eruptions by real-time observation of volcanic gas composition / Geology 35:1115~1118
Aiuppa, A / 2009 / Degassing of halogens from basaltic volcanism: insights from volcanic gas observations / Chemical Geology 263:99~109
Aiuppa, A. / 2009 / The 2007 eruption of Stromboli volcano: insights from real-time measurement of the volcanic gas plume
Allard, P. / 1983 / The origin of hydrogen, carbon, sulphur, nitrogen and rare gases in volcanic exhalations: evidence from isotope geochemistry;Forecasting Volcanic Events / Elsevier :337~386
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