Mississippi River Flooding

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by kellipotee
Last updated 5 years ago

Earth Sciences

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Mississippi River Flooding

Effects of floodingDuring floods, roads, bridges, farms, houses and automobiles are destroyed. People are left homeless and it takes years for the affected communities to fully recover from them. Chemicals and other hazardous substances can end up in the flood water and eventually contaminate the body of water it ends up in. Positive effects of flooding is the soil. Flood plains and farm fields are perfect for farming after floods from the water carring nutrients into the soil.

Mississippi River Flooding

Causes of flooding:A rivers flow is greatest in the spring due to melting snow, and heavy rainfall. If the soil is frozen or already saturated, it cannot absorb the water that seeps into the ground faster than it falls which causes problems. The water level then rises and overflows. Although most weather related problems have all blamed global warming these days, this actually has no relation to it.

Great Mississippi flood of 1927This was the most destructive River flood in U.S. History at the time. After months of heavy rain the lower Mississippi River valley swelled up to extremely high levels in April. More than 23,000 square miles of land was submerged in up to 30 feet of water. Around 250 people died and thousands were displaced and left homeless.

As a result of the Mississippi River flood of 1927 the Flood Control Act of 1928 was established. This authorized the U.S. Army corps of engineering to design and construct projects to control flooding on the river and its tributaries such as dams. This was sponsored by Sen. Wesley L. Jones and Rep. Frank R. Reid. 27 locks and dams are now on the upper Mississippi River.

Mississippi River Flooding

2011 Mississippi River floodIn early spring of 2011 the most recent destructive flood from the Mississippi hit the states of Illinois, Kentucky, Mississippi, Tennessee, Arkansas, Missouri, and Louisiana. After two major storms hit, the river and its tributaries began to swell to recorded levels. This is among one of the largest and most destructive floods of the century, killing almost 400 people.

The Mississippi River The Mississippi River is about 2,320 miles long. The mouth of the river starts at Lake Itasca in Minnesota and empties into the Gulf of Mexico. This river is known for its many enormous and disastrous floods. It is the chief river of the largest drainage system in North America.


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