Hazard-Intensifying and Disaster Forcing Aspects of Urbanisation! Urban development increases disaster-susceptibility in a number of ways. First is the frequent association of cities with naturally risky locations such as seacoasts and floodplains because such places also confer important benefits. Initial settlements may take advantage of available safe sites but subsequent growth typically spills over into […]
Hazard-Intensifying and Disaster Forcing Aspects of Urbanisation
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How does Urbanisation Increase the Risk of Natural Hazards?
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Because mega-cities are a relatively recent phenomenon, the literature on mega-city disasters is sparse. Much more is known about the relationship between natural disasters and urbanization in general. Despite some tendencies towards uniformity and homogenization, there is a great deal of variety among mega-cities and considerable uncertainty about their eventual dimensions. Different types of mega-city […]
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How to Purify Water: Top 5 Ways to Purify Water
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The following points highlight the five main ways adopted for purifying water. The ways are: 1. Self-Purification 2. Biochemical Oxidation in Streams 3. Atmospheric Re-Aeration 4. Sludge Deposits 5. Bacterial Self-Purification. 1. Self-Purification: Agencies of Self-Purification: The discharge of sewage and wastes sets in motion a complex chain of physical, chemical, biological and biochemical events, […]