The last cause is land can no longer absorb water. The high tsunami waves can easily sweep the areas around them to be able to cause much harm and loss of life. Tsunamis generally occur due to shifting layers of the Earth’s plates. It is a type of flooding of seawater that is very large. This cause of the flood can lead to water on which it is difficult to be absorbed and flow slowly. The eight cause is one of spatial management system. The outcome may results in flash floods that are extremely detrimental. The dam that bursts is one of the causes of flooding in the area surrounding neighborhood that is less well-maintained and easily tampered preservation by using something that is not in place. Swamp or forest areas can help to prevent or reduce flooding, but it is used to build a mall or other building that damage the lining of the atmosphere and will easily be at risk of flooding The seventh cause of flood is the dam is breached. Drainage is already changed regardless of the environmental impact analysis especially in urban environments. The next cause of flood is drainage that is already changed. If there is an area that has high rainfall and occurs protracted for a long time, it has a greater risk for flooding especially if it is located in the lowland.
This cause of the flood is caused due to weather factors. It is because of flood water flowing from the upland to lowland so it can be at risk of flooding. The regions are located in lowland areas may cause flooding. So that the river becomes narrower and prone to flooding. Siltation is happening in the river because of the habit of throwing garbage into the river as well as the state of the ground on either side of the building can be just collapsed and then close the river side. Settlements are established on the riverbanks of the river that results susceptible to silting. The third cause is settlement on the banks of rivers or streams. Garbage dumped randomly that is disposed of in rivers or other waterways can clog the water flow so that it can overflow and cause flooding. This one cause of the flood is already familiar. Therefore, if many trees are lost it will easily flood. This is because the roots of the tree has a function to absorb water. Illegal logging makes forests into barren one of the causes of flooding. Therefore, it is good to know the cause of flooding in order to take appropriate steps to prevent floods. When floods occur, a lot of people lose their properties.
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