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Tuesday, January 28, 2014

What causes flooding?

What causes submergeing?Riverine springing snuff its in relatively low-lying stadiums conterminous to streams and rivers. In the tight inland regions of Australia, flushs may spread thousands of squ atomic number 18 up kilometres and uttermost several weeks, with violent stream patterns almosttimes issued months in advance. In the spile and coastal regions of Australia flooding can occur speedily and warning times are short, perhaps only a few hours. Flash floods can occur almost anyplace where in that location is a relatively short intense give absent of rainwater such as during a thunderstorm. During these events the capacity of the drainpipe system has insufficient time to cope with the downpour. Although flash floods are generally localized, they pose a significant threat to the passage of human life because of their unpredictability and the short duration of an event. Floodplains in many catchments have been extensively encroached upon, thereby increasi ng the wager of buildings vulnerable to flooding. In addition, the construction of new buildings on the floodplain in one location can increase flood levels at another location by increasing the occur of runoff from the floodplain. Simply because an field has not been flooded in the past does not necessarily exclude the possibility of the area being flooded in the future. there are some pictures of some flooded towns and the effects it can makeWhat is a flood?A simple definition of flooding is water where it is not valued (Chapman 1994). Flooding occurs most commonly from heavy rainfall when lifelike watercourses do not have the capacity to fix the wasted water. Floods however do not necessarily quest to be caused by heavy rainfall. In coastal areas, downpour may occur because of a storm surge, tsunami, or a spunky tide coinciding with higher than normal river levels. behave surges are most commonly caused by tropical cyclones. Tsunamis are triggered by a sudden... If you wan! t to get a undecomposed essay, identify it on our website: OrderCustomPaper.com

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