METEOROLOGICAL CONDITIONS WHEN CONCENTRATION OF SO2 ERUPTED FROM MT. ASO IS HIGH IN SURROUNDING AREAS

METEOROLOGICAL CONDITIONS WHEN CONCENTRATION OF SO2 ERUPTED FROM MT. ASO IS HIGH IN SURROUNDING AREAS

In order to develop a simple risk evaluation method for SO2 erupted from Mt. Aso in Kyushu district, west Japan, relationships between SO2 concentration variations observed at a point 20km east from the crater of the mount and some meteorological observation data were examined. By using cluster anal...

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Veröffentlicht in:Journal of Japan Society of Civil Engineers, Ser. G (Environmental Research) Ser. G (Environmental Research), 2016, Vol.72(7), pp.III_67-III_78
Hauptverfasser: TAMAI, Masahiro, KUNIEDA, Keiko
Format: Artikel
Sprache:eng ; jpn
Schlagworte:
local winds
meteorological conditions
Mt. Aso
risk analysis
SO2
volcanos
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Zusammenfassung:In order to develop a simple risk evaluation method for SO2 erupted from Mt. Aso in Kyushu district, west Japan, relationships between SO2 concentration variations observed at a point 20km east from the crater of the mount and some meteorological observation data were examined. By using cluster analysis, days when observed SO2 concentration were relatively high, were selected from the target period and the meteorological data of the days were analyzed. Some typical meteorological patterns which can cause high SO2 concentrations were clarified.
ISSN:2185-6648
2185-6648
DOI:10.2208/jscejer.72.III_67