Flood is a natural disaster, which is unpredictable. There are only a few areas in the world which have no concern with flooding. Otherwise, most of areas have constant fear of flood even on yearly basis. Here are some facts about flood.
Causes
There are many factors which cause the flood. The most common reason of flood is when rivers or canals are overflow from their banks. The multitude of ways can be another cause of flood. There are also several factors cause flood.
Hundred year flood
The flood expert use a term according to the likelihood of flood occurring in a specific time period. For example, a heavy extreme destructive flood is expected once in a century. It is said theoretically.
Power of moving water
The moving water has very high destructive power. The banks of the sea got drive inland when it get overflow. It can destroy trees, homes as well as bridges.
Unpredictable
In United States of America, flood prediction system is very strong. But every year flood destroys a large number of areas. The worth of damage which flood causes is 6 billion dollars and 140 killings every year.
After affects
Flood has many after affects. When the water of flood recedes, it left lot of silt and mud in affected areas. it also contain hazardous materials for living organisms.