A STUDY ON CLIMATIC AND HYDROLOGIC INSPECTION AND RISK MANAGEMENT OF DROUGHT IN 1994

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(A) We predicted precipitation at 19 points in Japan as basic points by Newral Network as well as classified the pattern of monthly average altitude distribution at 500hPa, monthly average temperature distribution of the surface of the sea in the middle latitudes, temperature and precipitation in Japan.(B) We drew the drought duration curve at 14 points in the whole country which have different climatic properties and indicated the drought duration property at each point clearly. Added to these, we evaluated the return period of precipitation (one to four months precipitation and twelve months precipitation) at 46 points in the whole country during the summer and mapped the whole country using the return period as an index.(C) We obtained information through a questionnaire about the influence of household water consumption by restricting the water control at the period of water shortage and analyzed the home service from the side of water amount which is necessary to produce and consu … More me, the service starting point, the time for the production and the consumption frequency.(D) We analyzed the trend of the activity taking drought both in Fukuoka and Takamatsu for example on the assumption that the newspaper information regarding drought can substitute the activity of social interests in drought indirectly. Besides we made the model of the relationships between the consciousness and the actions on the basis of the real behavior of general inhabitants for save water(E) We took a municipality in Fukuoka metropolitan area for example and analyzed practical use of water resource in the urban area taking account of the drought level and the water-utilization safety level by using a risk analysis method. Furthermore we examined the usable water amount about wide area use of water resource.(F) We studied the possibility of the secular storage method on the basis of the appearance property analysis in the year of much rain and a light rain and tried to calculate the probability of drought evasion keeping flood control level. Less