Volcanic plume measurements using a UAV for the 2014 Mt. Ontake eruption
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- Material Type
- 記事
- Author/Editor
- Toshiya MoriTakeshi HashimotoAkihiko Terada
- Publication, Distribution, etc.
- Publication Date
- 2016-03-22
- Publication Date (W3CDTF)
- 2016-03-22
- Periodical title
- EPS : Earth, Planets and Space
- No. or year of volume/issue
- 68(49)
- Volume
- 68(49)
- ISSN (Periodical Title)
- 1880-5981
- ISSN-L (Periodical Title)
- 1343-8832
- Text Language Code
- eng
- DOI
- 10.1186/s40623-016-0418-0
- Persistent ID (NDL)
- info:ndljp/pid/9976791
- Collection
- Collection (Materials For Handicapped People:1)
- Collection (particular)
- 国立国会図書館デジタルコレクション > 電子書籍・電子雑誌 > その他
- Acquisition Basis
- オンライン資料収集制度
- Date Accepted (W3CDTF)
- 2016-05-17T18:44:59+09:00
- Date Captured (W3CDTF)
- 2016-05-17
- Format (IMT)
- application/pdf
- Access Restrictions
- 国立国会図書館内限定公開
- Service for the Digitized Contents Transmission Service
- 図書館・個人送信対象外
- Availability of remote photoduplication service
- 可
- Periodical Title (URI)
- Periodical Title (Persistent ID (NDL))
- info:ndljp/pid/9963599
- Data Provider (Database)
- 国立国会図書館 : 国立国会図書館デジタルコレクション
- Collection (particular)
- 国立国会図書館デジタルコレクション > デジタル化資料 > 雑誌
- Access Restrictions
- 国立国会図書館内限定公開
- Service for the Digitized Contents Transmission Service
- 図書館・個人送信対象外
- Availability of remote photoduplication service
- 可
- Holding library
- 国立国会図書館
- Call No.
- Z19-383
- Periodical Title (Persistent ID (NDL))
- info:ndljp/pid/3421926
- Data Provider (Database)
- 国立国会図書館 : 国立国会図書館雑誌記事索引
- Bibliographic ID (NDL)
- 9976791
- Bibliographic Record Category (NDL)
- 632
- Summary, etc.
- A phreatic eruption of Mt. Ontake, Japan, started abruptly on September 27, 2014, and caused the worst volcanic calamity in recent 70 years in Japan. We conducted volcanic plume surveys using an electric multirotor unmanned aerial vehicle to elucidate the conditions of Mt. Ontake’s plume, which is flowing over 3000 m altitude. A plume gas composition, sulfur dioxide flux and thermal image measurements and a particle sampling were carried out using the unmanned aerial vehicle for three field campaigns on November 20 and 21, 2014, and June 2, 2015. Together with the results of manned helicopter and aircraft observations, we revealed that the plume of Mt. Ontake was not directly emitted from the magma but was influenced by hydrothermal system, and observed SO2/H2S molar ratios were decreasing after the eruption. High SO2 flux of >2000 t/d observed at least until 20 h after the onset of the eruption implies significant input of magmatic gas and the flux quickly decreased to about 130 t/d in 2 months. In contrast, H2S fluxes retrieved using SO2/H2S ratio and SO2 flux showed significantly high level of 700–800 t/d, which continued at least between 2 weeks and 2 months after the eruption. This is a peculiar feature of the 2014 Mt. Ontake eruption. Considering the trends of the flux changes of SO2 and H2S, we presume that majority of SO2 and H2S are supplied, respectively, from high-temperature magmatic fluid of a deep origin and from hydrothermal system. From the point of view of SO2/H2S ratios and fumarolic temperatures, the plume degassing trend after the 2014 eruption is following the similar course as that after the 1979 eruptions, and we speculate the 2014 eruptive activity will cease slowly similar to the 1979 eruption.
- DOI
- 10.1186/s40623-016-0418-0
- Access Restrictions
- インターネット公開
- Rights (production)
- Creative Commons Attribution 4.0 International
- Related Material
- Volcanic plume measurements using a UAV for the 2014 Mt. Ontake eruption
- Related Material (URI)
- Is Referenced By
- Development of a drone-borne volcanic plume samplerReview article: the use of remotely piloted aircraft systems (RPASs) for natural hazards monitoring and managementIn Situ, Rotor-Based Drone Measurement of Wind Vector and Aerosol Concentration in Volcanic AreasDrone-Based Automatic Water Sampling SystemAirborne measurements of volcanic gas composition during unrest at Kuchinoerabujima volcano, Japan水蒸気噴火の発生場と噴火過程の観測Sulfur dioxide flux monitoring using a regular service ferry after the 2014 eruption of Kuchinoerabujima Volcano, Japanアナログ実験による爆発的噴火中の火道内現象の可視化Tracing Volcanic Activity Chronology from a Multiparameter Dataset at Shinmoedake Volcano (Kirishima), JapanA Simple Method for the Analysis of Fumarolic Gases Using Response-Adjusted Sensors with a UAVObservations using an unmanned aerial vehicle in an area in danger of volcanic eruptions at Kuchinoerabu-jima Volcano, southern Kyushu, JapanWater sampling using a drone at Yugama crater lake, Kusatsu-Shirane volcano, JapanQuantitative relationship between plume emission and multiple deflations after the 2014 phreatic eruption at Ontake volcano, JapanVariation of volcanic gas composition during the eruptive period in 2014–2015 at Nakadake crater, Aso volcano, Japan
- References
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- Data Provider (Database)
- 国立情報学研究所 : CiNii Research
- Original Data Provider (Database)
- 学術機関リポジトリデータベース雑誌記事索引データベースCrossrefCiNii Articles科学研究費助成事業データベース学術機関リポジトリデータベースCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossrefCrossref
- Bibliographic ID (NDL)
- 9976791
- NAID
- 120005906797