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Most accidents in urban areas occur at intersections.
Flooding in urban areas is dangerous because there are larger populations in these areas. There are also more businesses and facilities, so floods would have a greater economic impact.
Floods are classified by their likelihood to happen in a given time period, or they classified into 5 categories flash floods,coastal floods, urban floods river floods,and ponding.
Some places commonly affected by flooding include low-lying coastal regions, areas near rivers and lakes, urban areas with poor drainage systems, and regions prone to heavy rainfall or tropical storms. These areas are at higher risk of experiencing flash floods, river floods, or coastal flooding.
The Pakistan Floods weren't caused by a river but because of the amount of rainfall in Pakistan, the meteorological department cautioned that there will be urban and flash flooding from July to September.
Three major types of floods include: * Slow onset floods - these occur gradually after there has been significant rain in a catchment area. Often, towns have plenty of warning that such floods are coming, and have the time to create levee banks for protection. Charleville, in western Queensland, is prone to slow onset floods as the waters flow down the Warrego River from further upstream, where heavy rain has fallen. The water takes days or even weeks to go down. * Fast onset floods - these are also caused by heavy monsoonal rains, but water comes up more quickly, often trapping motorists trying to cross swollen rivers and isolating towns quickly, then just as quickly subsiding. * Flash floods - usually caused by thunderstorms and sudden downpours. these fill rivers and drains quickly, sweeping away people who try to cross. Flash floods subside very quickly.
A flood caused in urban areas due to lack of drainage facilities & other defects in engineering's work such as defects in the canals built is known as urban floods !!-student OS st.Joseph's central school.
it can cause huge floods in some areas and will possibly destroy crops in rural areas. Many valley floors will flood and then drain into the low lying areas where the urban areas are situated.
Flooding is more likely to occur in urban areas due to increased impervious surfaces like pavement and buildings, which prevent water from infiltrating the ground. In wooded rural areas, vegetation and soil can absorb and slow down water flow, reducing the risk of flooding. Urban areas with high population density also have more development in flood-prone areas, further increasing the risk.
Floods can be found in many places around the world, including low-lying coastal areas, river plains, and regions prone to heavy rainfall or snowmelt. Urban areas with poor drainage infrastructure are also susceptible to flooding. Additionally, areas near dams or in floodplains are at higher risk of flooding.
What do urban areas contain? What do rural areas contain ?
Structural for floods. 1.embankments 2.water shed management 3.reservoirs 4.buildings on elevated areas Non-structural for floods 1.flood plain zoning 2.flood forecasting,warning 3.flood preparedness