globalchange  > 科学计划与规划
DOI: 10.1002/2016GL070838
论文题名:
Remote determinations on fumarole outlet temperatures in an eruptive volcano
作者: Tsunogai U.; Cheng L.; Ito M.; Komatsu D.D.; Nakagawa F.; Shinohara H.
刊名: Geophysical Research Letters
ISSN: 0094-8373
EISSN: 1944-8104
出版年: 2016
卷: 43, 期:22
起始页码: 11620
结束页码: 11627
语种: 英语
英文关键词: airborne sampling ; isotope exchange equilibrium ; molecular hydrogen ; remote temperature sensing ; sulfur dioxide ; volcanic plume
Scopus关键词: Fighter aircraft ; Isotopes ; Remote sensing ; Sulfur dioxide ; Temperature sensors ; Airborne sampling ; Isotope exchange ; Molecular hydrogen ; Remote temperature sensing ; Volcanic plume ; Volcanoes
英文摘要: Direct measurement of the fumarole outlet temperature in active volcanoes is impractical. Therefore, we used an aircraft to sample H2 in the volcanic plume ejected from Sakurajima volcano to remotely estimate the highest fumarolic temperatures of the volcano based on hydrogen isotopic fractionation between H2 and magmatic H2O. We successfully estimated that the δD of the fumarolic H2 in September and December 2014 was −135 ± 13‰ and −113 ± 11‰, respectively, and that the corresponding highest outlet temperatures were 1050 ± 120°C and 1199 ± 139°C. Although the temperatures were higher than those determined by using infrared remote sensing, we concluded that they are more reliable estimates of the highest fumarole outlet temperatures. Combined with plume sampling by using aircraft, remote temperature sensing based on the δD of H2 in volcanic plumes can be widely applied to active volcanoes to determine the highest fumarole outlet temperatures. ©2016. The Authors.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85003794603&doi=10.1002%2f2016GL070838&partnerID=40&md5=60f61a067ec76bfcbfbefa9c6097dfed
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/9336
Appears in Collections:科学计划与规划
气候变化与战略

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作者单位: Graduate School of Environmental Studies, Nagoya University, Nagoya, Japan

Recommended Citation:
Tsunogai U.,Cheng L.,Ito M.,et al. Remote determinations on fumarole outlet temperatures in an eruptive volcano[J]. Geophysical Research Letters,2016-01-01,43(22).
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