EARTH SCIENCE
NATURAL HAZARDS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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High rainfall frequency
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Long rainfall duration
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Low rainfall frequency
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None of the above
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Detailed explanation-1: -Flood frequency means a period of years, based on a statistical analysis, during which a flood of a stated magnitude may be expected to be equaled or exceeded. Flood frequency means a statistical expression of the average time period between floods equaling or exceeding a given magnitude.
Detailed explanation-2: -The characteristics of rainfall are the amount, the intensity, the duration, the frequency or return period, and the seasonal distribution.
Detailed explanation-3: -(Also called frequency curve.) The probability distribution specifying the exceedance probability of different rainfall depths for a given duration (such as 1 hour, or a 24-hour day).
Detailed explanation-4: -Massive Rainfall. Drainage systems and the effective infrastructure design aid during heavy rains. Overflowing of the Rivers. Collapsed Dams. Snowmelt. Deforestation. Climate change. Emission of Greenhouse Gases. Other Factors.