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JDR Vol.11 No.1 pp. 15-30
(2016)
doi: 10.20965/jdr.2016.p0015

Paper:

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Preliminary Results of Weather Radar Observations of Sakurajima Volcanic Smoke

Masayuki Maki*1, Masato Iguchi*2, Takeshi Maesaka*3, Takahiro Miwa*3, Toshikazu Tanada*3, Tomofumi Kozono*4, Tatsuya Momotani*5, Akihiko Yamaji*5, and Ikuya Kakimoto*6

*1Research and Education Center for Natural Hazards, Kagoshima University
1-21-40 Korimoto, Kagoshima 890-0065, Japan

*2Disaster Prevention Research Institute, Kyoto University, Kagoshima, Japan

*3National Research Institute for Earth Science and Disaster Prevention, Tsukuba, Japan

*4Graduate school, Tohoku University, Sendai, Japan

*5Japan Weather Agency, Tokyo, Japan

*6Mitsubishi Electric Co., Hyogo, Japan

Received:
September 2, 2015
Accepted:
January 19, 2016
Published:
February 1, 2016
Creative Commons License
Keywords:
weather radar, Sakurajima, volcanic ash cloud, ash smoke, eruption
Abstract
Preliminary results of quantitative analysis of volcanic ash clouds observed over the Sakurajima volcano in Kagoshima, Japan, were obtained by using weather radar and surface instruments. The Ka-band Doppler radar observations showed the inner structure of a volcanic ash column every two minutes after an eruption. Operational X-band polarimetric radar provides information on three-dimensional ash fall amount distribution. The terminal fall velocity of ash particles was studied by using optical disdrometers, together with the main specifications of observation instruments.
Cite this article as:
M. Maki, M. Iguchi, T. Maesaka, T. Miwa, T. Tanada, T. Kozono, T. Momotani, A. Yamaji, and I. Kakimoto, “Preliminary Results of Weather Radar Observations of Sakurajima Volcanic Smoke,” J. Disaster Res., Vol.11 No.1, pp. 15-30, 2016.
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