Salt shell fallout during the ash eruption at the Nakadake crater, Aso volcano, Japan : evidence of an underground hydrothermal system surrounding the erupting vent
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DOI[10.1186/s40623-018-0798-4]のデータに遷移します
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- 資料種別
- 記事
- 著者・編者
- Hiroshi ShinoharaNobuo GeshiAkihiko Yokoo
- 出版年月日等
- 2018-03-20
- 出版年（W3CDTF）
- 2018-03-20
- タイトル（掲載誌）
- EPS : Earth, Planets and Space
- 巻号年月日等（掲載誌）
- 70(46)
- 掲載巻
- 70(46)
- ISSN（掲載誌）
- 1880-5981
- ISSN-L（掲載誌）
- 1343-8832
- 本文の言語コード
- eng
- DOI
- 10.1186/s40623-018-0798-4
- 国立国会図書館永続的識別子
- info:ndljp/pid/11067503
- コレクション（共通）
- コレクション（障害者向け資料：レベル1）
- コレクション（個別）
- 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
- 収集根拠
- オンライン資料収集制度
- 受理日（W3CDTF）
- 2018-04-12T16:47:48+09:00
- 保存日（W3CDTF）
- 2018-04-12
- 記録形式（IMT）
- application/pdf
- オンライン閲覧公開範囲
- 国立国会図書館内限定公開
- デジタル化資料送信
- 図書館・個人送信対象外
- 遠隔複写可否（NDL）
- 可
- 掲載誌（国立国会図書館永続的識別子）
- info:ndljp/pid/11067456
- 連携機関・データベース
- 国立国会図書館 : 国立国会図書館デジタルコレクション
- 要約等
- A hot and acid crater lake is located in the Nakadake crater, Aso volcano, Japan. The volume of water in the lake decreases with increasing activity, drying out prior to the magmatic eruptions. Salt-rich materials of various shapes were observed, falling from the volcanic plume during the active periods. In May 2011, salt flakes fell from the gas plume emitted from an intense fumarole when the acid crater lake was almost dry. The chemical composition of these salt flakes was similar to those of the salts formed by the drying of the crater lake waters, suggesting that they originated from the crater lake water. The salt flakes are likely formed by the drying up of the crater lake water droplets sprayed into the plume by the fumarolic gas jet. In late 2014, the crater lake dried completely, followed by the magmatic eruptions with continuous ash eruptions and intermittent Strombolian explosions. Spherical hollow salt shells were observed on several occasions during and shortly after the weak ash eruptions. The chemical composition of the salt shells was similar to the salts formed by the drying of the crater lake water. The hollow structure of the shells suggests that they were formed by the heating of hydrothermal solution droplets suspended by a mixed stream of gas and ash in the plume. The salt shells suggest the existence of a hydrothermal system beneath the crater floor, even during the course of magmatic eruptions. Instability of the magmatic–hydrothermal interface can cause phreatomagmatic explosions, which often occur at the end of the eruptive phase of this volcano.
- DOI
- 10.1186/s40623-018-0798-4
- オンライン閲覧公開範囲
- インターネット公開
- 著作権情報
- © The Author(s) 2018. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
- 関連情報
- Salt shell fallout during the ash eruption at the Nakadake crater, Aso volcano, Japan: evidence of an underground hydrothermal system surrounding the erupting vent
- 関連情報（URI）
- 参照
- Temporal variation in the resistivity structure of the first Nakadake crater, Aso volcano, Japan, during the magmatic eruptions from November 2014 to May 2015, as inferred by the ACTIVE electromagnetic monitoring systemHydrothermal system of the active crater of Aso volcano (Japan) inferred from a three-dimensional resistivity structure modelPhysical characteristics of scoriae and ash from 2014–2015 eruption of Aso Volcano, JapanVariation of volcanic gas composition during the eruptive period in 2014–2015 at Nakadake crater, Aso volcano, Japan
- 参照
- Variety and sustainability of volcanic lakes : Response to subaqueous thermal activity predicted by a numerical modelA water flow model of the active crater lake at Aso volcano, Japan: fluctuations of magmatic gas and groundwater fluxes from the underlying hydrothermal systemDegassing Activity of a Volcanic Crater Lake: Volcanic Plume Measurements at the Yudamari Crater Lake, Aso Volcano, JapanVolcanic ash-leachates: a review and recommendations for sampling methodsGeothermal solute equilibria. Derivation of Na-K-Mg-Ca geoindicatorsAsh eruption of the Naka-dake crater, Aso volcano, southwestern JapanSubaqueous geothermal activity revealed by lacustrine sediments of the acidic Nakadake crater lake, Aso Volcano, JapanLiquid sulphur lakes at Poás volcanoAnalytical laboratory comparison of major and minor constituents in an active crater lakeVolcanic lake systematics II. Chemical constraintsCyclic processes and factors leading to phreatic eruption events: Insights from the 25 September 2007 eruption through Ruapehu Crater Lake, New ZealandVolcanic lake systematics I. Physical constraintsColor change of lake water at the active crater lake of Aso volcano, Yudamari, Japan: is it in response to change in water quality induced by volcanic activity?Collateral variations between the concentrations of mercury and other water soluble ions in volcanic ash samples and volcanic activity during the 2014–2016 eruptive episodes at Aso volcano, JapanPast, present and future of volcanic lake monitoringVolcanic LakesGeochemistry of magmatic gases from Kudryavy volcano, Iturup, Kuril IslandsHCl degassing from extremely acidic crater lakes: preliminary results from experimental determinations and implications for geochemical monitoringFlux of volatiles and ore-forming metals from the magmatic-hydrothermal system of Satsuma Iwojima volcanoAso94: Aso seismic observation with broadband instrumentsChemical evolution and volcanic activity of the active crater lake of Poás volcano, Costa Rica, 1993–1997Geochemical implications of subaqueous molten sulfur at Yugama crater lake, Kusatsu-Shirane volcano, Japan.Scanning electron microscope observations of sublimates from Merapi Valcano, Indnesia.Deposition of trace elements from high temperature gases of Satsuma-Iwojima volcano
- 連携機関・データベース
- 国立情報学研究所 : CiNii Research
- 提供元機関・データベース
- 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CrossrefCrossrefCrossrefCrossref
- 書誌ID（NDLBibID）
- 11067503
- NII論文ID
- 120006517893