Advective diffusion of volcanic plume captured by dense GNSS network around Sakurajima volcano : a case study of the vulcanian eruption on July 24, 2012
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- Material Type
- 記事
- Author/Editor
- Yusaku OhtaMasato Iguchi
- Publication, Distribution, etc.
- Publication Date
- 2015-09-22
- Publication Date (W3CDTF)
- 2015-09-22
- Periodical title
- EPS : Earth, Planets and Space
- No. or year of volume/issue
- 67(157)
- Volume
- 67(157)
- ISSN (Periodical Title)
- 1880-5981
- ISSN-L (Periodical Title)
- 1343-8832
- Text Language Code
- eng
- DOI
- 10.1186/s40623-015-0324-x
- Persistent ID (NDL)
- info:ndljp/pid/9534528
- 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)
- 2015-11-16T20:25:38+09:00
- Date Captured (W3CDTF)
- 2015-10-20
- 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/9227920
- 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
- Summary, etc.
- Data from a dense GNSS network were used to investigate the temporal and spatial development of a volcanic plume during the eruptive event at Sakurajima volcano in Japan on July 24, 2012. We extracted the post-fit phase residuals (PPR) of ionosphere-free linear combinations for each satellite based on the precise point positioning (PPP) approach. Temporal and spatial PPR anomalies clearly detected the movement of the volcanic plume. The maximum height of the crossing points of anomalous PPR paths was determined to be approximately 4000 m. We also compared the estimated wet zenith tropospheric delay with the estimated PPR anomalies, which suggested that we might successfully extract the PPR anomalies caused by the eruptive event. We then compared the PPR with the signal-to-noise ratio (SNR) anomalies. Only the path passing just above the crater showed significant change in the SNR value, suggesting that the volcanic ash and the water vapor within the volcanic plume became separated after reaching a high altitude because of ash fall during the plume's lateral movement. Each of the two observables might reflect different characteristics of the water vapor and volcanic ash.
- DOI
- 10.1186/s40623-015-0324-x
- Access Restrictions
- インターネット公開
- Rights (production)
- © 2015 Ohta and Iguchi. 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.
- Related Material (URI)
- Is Referenced By
- REGARD: A new GNSS‐based real‐time finite fault modeling system for GEONETIntegrated Monitoring of Volcanic Ash and Forecasting at Sakurajima Volcano, JapanVolcanic Activity of Sakurajima Monitored Using Global Navigation Satellite SystemPrior and Real-Time Estimations of Ground Motions, Tsunamis, and Other Geodynamic HazardsIntegrated Study on Forecasting Volcanic Hazards of Sakurajima Volcano, Japan
- References
- Development and Assessment of Real-Time Fault Model Estimation Routines in the GEONET Real-Time Processing SystemRapid Coseismic Fault Determination of Consecutive Large Interplate Earthquakes: The 2011 Tohoku-Oki SequenceQuasi real‐time fault model estimation for near‐field tsunami forecasting based on RTK‐GPS analysis: Application to the 2011 Tohoku‐Oki earthquake (<i>M</i><sub>w</sub> 9.0)Geodetic observations during the 2009 eruption of Redoubt Volcano, AlaskaModified sidereal filtering: Implications for high‐rate GPS positioningA new way to detect volcanic plumesGPT2: Empirical slant delay model for radio space geodetic techniquesStrategies for high‐precision Global Positioning System orbit determinationWeather radar observations of the Hekla 2000 eruption cloud, IcelandSounding the plume of the 18 August 2000 eruption of Miyakejima volcano (Japan) using GPSThe effect of the second order GPS ionospheric correction on receiver positionsVolcanic Ash Cloud Retrieval by Ground-Based Microwave Weather RadarLong-baseline quasi-real time kinematic GPS data analysis for early tsunami warningSulfur dioxide emissions during the 2011 eruption of Shinmoedake volcano, Japan
- 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科学研究費助成事業データベース科学研究費助成事業データベースCrossrefCrossrefCrossrefCrossrefCrossref
- Bibliographic ID (NDL)
- 9534528
- NAID
- 120005758190