Reasons that cause flooding. Mainly depends on local conditions and capabilities, but in some perverse variation of natural local human activities, it is essential to make the development of such a flood is more severe with. The following. 1. flooded because of heavy rain. 2. characteristics and components of the watershed area. 2.1 the shape of watershed 2.2 climate of the watershed area. 2.3 the type of soil. Conditions the plants cover the areas and degradation of watershed areas. 3. sea water from reserves 4. changes in environmental conditions. 4.1 the enlargement of the community and destroy the existing drainage system, naturally. 4.2 the land subsides.
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