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Floods: - Coggle Diagram
Floods:
why do fluvial floods affect places and people differently?
Impacts of fluvial floods:
positive impacts:
enviromental impacts: habitats and soil fertility
socioeconomic imapcts source of food and income
Negative impacts:
environmental impacts: damage to landscape
socioeconomic impacts: damage to property, threat to human life
Variations in the effects of fluvial floods on places
Variations in effects of fluvial floods experienced by different groups of people due to differences in their vulnerability
Affected by level of awareness of hazards
Influenced by knowledge, availability of accurate and timely information
Can fluvial floods be effectively managed?
Strengths and limitations of strategies to manage fluvial floods
Varying success of strategies to manage fluvial floods
Extent to which humans can control the occurrence of fluvial floods
What factors contribute to fluvial flooding in the humid tropics
occurance of fluvial floods when peak discharge exceeds bankfull discharge and inundates adjacent areas that are usually dry
Factors contributing to occurrance of fluvial floods in the humid tropics:
natural factors
duration of the rainfall
intensity of rainfall
type of precipitation
vegetation cover
relief and steepness of slope
catchment size and shape
drainage density
surface ground characteristics
human factors
deforestation
increase in need for agricultural land
rapid urbanization
flood management strategies
climate change