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PRECIPITATIONS
AND
FLOODINGS

5st PART
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PRECIPITATIONS

TYPES OF PRECIPITATIONS

THE FLOODS

 

CONSEQUENCES

In France and in many countries, floods are extreme climate events that cause the most damage. It is an obstacle to the economy (agriculture, transport ...).

In mountainous regions the effects of heavy rains are often compounded by mudflows and landslides, especially on dry soils and without trees as the water absorption capacity is limited, since they were scorched by the sun or the winter frosts.

The damage can be very high, and in addition, the risk of drowning exists especially when it is crossed upon arrival of the flood wave. During major flood flows can be so violent that the walls are crumbling and cars, trees and even houses are washed away and destroyed or take away everything in their path (bridges, dams ...). The damage is considerable and many people are often affected.

Many buildings (houses, factories, companies ...) are located in flood prone areas or mudflows can occur. Concrete and asphalt have replaced the fields that constitute the expansion of water in natural areas. All these habitats are threatened by climatic anger which can occur sooner or later.

On 03/04/1930, in France in Montauban Tarn river made 10.000 victims, 3.000 houses were destroyed, 11 major bridges were washed away .... and the water is mounted 17 meters in 24 hours with heights submersion of 7 meters in the city. This was the most important of the 20th century in France.

 


Flooding of the Somme in 2001 for
over a month. Some areas of Abbeville
drowned in two meters of water.
  

A house flooded during
the flooding of the Loire.

 

 

Severe flooding in northern Peru
caused by El Nino 1997/1998


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