How does flood in urban area affect life.
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The causes of urban
Urban flooding occurs when water flows into a city or town faster than it can be drained, absorbed into the soil or moved to and stored in a man-made lake or reservoir.
Urban Floods and Ponding
High intensity rainfall overwhelms sewage and drainage within cities and neighborhoods, filling the streets in a dangerous mix of sewage and floodwater. Urban flooding is a slower process that hinders transportation and may damage daily activities but rarely results in deaths.
10 measures to prevent (urban) flooding
Create a 'sponge city' ...
Green roofs/rooftop gardens. ...
Create flood plains and overflow areas for rivers. ...
Separating rainwater from the sewer system. ...
Install water infiltration and attenuation systems. ...
Keep the sewer system clean, so it can do its job. ...
Sustainable drainage: permeable pavement, sidewalks and gardens.
During a flood: Protect
Shut off electrical, furnace, gas and water, and disconnect appliances if safe.
Move to higher ground.
Move valuables from the basement to upper floors.
Raise large appliances up on wood or cement blocks. ...
Stay calm and listen for evacuation, boil-water or other advisories from authorities.
Urban flooding occurs when water flows into an urban region faster than it can be absorbed into the soil or moved to and stored in a lake or reservoir. It can be caused by flash flooding, coastal flooding, river floods or rapid snow melt.
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