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Vol�F
1Šª
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1994”N
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65-72•Å
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Œf�ÚŽGŽ��i‰p�j�F
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Takashi KOIDE
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VOLCANICHAZARDS TO WATER-SUPPLY FACILITIES AND COUNTERMEASURES FOR HAZARD PREVENTION.
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In our county, which is called the volcanic country, there are many water-supply facilities even near the volcano. At the period of volcanic activity, sometimes these facilities are suffered by volcanic hazards. Aspects of volcanic hazards are various ; resemble earthquake, flood, big-fire and explosion hazard, and further indude contamination of sub-water. In this paper, the author tries to investigate the damaged facilities, to debate on the countermeasures for hazard prevention and to examine the facilities by using hazard-map of volcanic zone.
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