BASIC INFORMATION
Eruption onset date | Dec. 2.2018 |
---|---|
Eruption onset time (LST) | 12:15 |
Eruption column top (m) | -1600 |
Total ashfall amount (kg) | XRAINデータなし |
Total ashfall area (km2) | XRAINデータなし |
SPECIFIC INFORMATION
SVO-XMP Radar (DPRI)
Fig. 4-3 RHI images of radar reflectivity factor ZH (animation).
Fig. 4-4 RHI images of Doppler velocity VD(animation).
DISDROMETER (DPRI)
![Fig. 6-1 Density plots of the particle size and fall velocity of volcanic ash particles.](https://vash.jp/wp-content/uploads/2023/08/skr18-0427_disdro-01.png)
![Fig. 6-2 Gamma fitting curves of observed particle size distributions.](https://vash.jp/wp-content/uploads/2023/08/skr18-0427_disdro-02.png)
![Fig. 6-3 Temporal change of gamma PSD parameters and integrated PSD parameters.](https://vash.jp/wp-content/uploads/2023/08/skr18-0427_disdro-03.png)
![Fig. 6-4 Temporal change of ash fall rate and PSD.](https://vash.jp/wp-content/uploads/2023/08/skr18-0427_disdro-04.png)
![Fig. 6-5 Histograms of observed gamma PSD parameters.](https://vash.jp/wp-content/uploads/2023/08/skr18-0427_disdro-05.png)
![Fig. 6-6 Histograms of observed normalized gamma PSD parameters.](https://vash.jp/wp-content/uploads/2023/08/skr18-0427_disdro-06.png)