Free-fall experiments of volcanic ash particles using a 2-D  video disdrometer

Suh, Sung-Ho; Maki, Masayuki; Iguchi, Masato; Lee, Dong-In; Yamaji, Akihiko; Momotani, Tatsuya

doi:https://doi.org/10.5194/amt-12-5363-2019

Articles | Volume 12, issue 10

https://doi.org/10.5194/amt-12-5363-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/amt-12-5363-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 12, issue 10

Research article

|

09 Oct 2019

Research article |

| 09 Oct 2019

Free-fall experiments of volcanic ash particles using a 2-D video disdrometer

Sung-Ho Suh, Masayuki Maki, Masato Iguchi, Dong-In Lee, Akihiko Yamaji, and Tatsuya Momotani

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Final revised paper (published on 09 Oct 2019)
Preprint (discussion started on 15 Apr 2019)

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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- Supplement

RC1: 'comment from reviewer', Masayuki Oishi, 10 May 2019
- AC1: 'Answer of Referee #1', Sung-Ho Suh, 23 Jul 2019
RC2: 'Comments on “Laboratory analysis of volcanic ash particles using a 2D video disdrometer”', Anonymous Referee #1, 14 May 2019
- AC2: 'Answer of Referee #2', Sung-Ho Suh, 23 Jul 2019

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

AR by Sung-Ho Suh on behalf of the Authors (11 Aug 2019) Manuscript

ED: Publish as is (19 Aug 2019) by Alexander Kokhanovsky

AR by Sung-Ho Suh on behalf of the Authors (22 Aug 2019)

Short summary

This is a fundamental study on the features of aerodynamic parameters: terminal velocity, axis ratio, and canting angle. These are necessary for developing a quantitative ash fall estimation method based on weather radar. They were analyzed under controlled conditions from laboratory free-fall experiments, since the aerodynamic properties of the particles are highly dependent on external conditions. These results will help in the development of quantitative ash estimation.