Q:

Which country has the most floods?

A:

Quick Answer

Bangladesh is the country that experiences the most flooding. Its low-lying area, combined with over 230 rivers, also makes it the country most susceptible to soil erosion and saltwater intrusion.

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Full Answer

About 18 percent of the country is flooded every year. Combined with a population density of over 2,600 people per square mile, the flooding is responsible for over 5,000 fatalities annually. During times of severe flooding, up to 75 percent of the country may be affected. This is because over 60 percent of the country is only 5 meters above sea level, with 80 percent located in the flood plain.

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Related Questions

  • Q:

    Where do floods usually occur?

    A:

    Floods typically occur in lands that are adjacent to rivers or at coastal areas. Land adjacent to rivers, known as floodplains, is susceptible to floods when there is excessive rain. Coastal areas face flooding only when a tsunami or large storm forces the sea to surge inland.

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  • Q:

    Why do floods occur?

    A:

    Floods occur when the ground is incapable of absorbing water from rainfall, melting snow or ice. Each spring, many regions experience warmer temperatures along with heavy precipitation. This is the ideal combination for flooding. If the ground has not completely thawed, it is even more likely to flood as there is no place for the water to drain.

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  • Q:

    When do floods occur?

    A:

    Floods occur when the volume of water contained by the shores of a body of water or the banks of a waterway exceeds the body's capacity. The water moves above and outward from the typical area it occupies. The major causes of floods are heavy rains, melting snow or a blockage of water flow in a river.

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  • Q:

    How do floods start?

    A:

    According to NOAA, most floods start with slow-moving thunderstorms, thunderstorms that travel the same path several days in a row, or hurricanes. Floating debris and ice sometimes form a temporary dam which causes the water to back up until the debris breaks free, releasing a wall of water and causing flooding downstream.

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