Droughts, floods, extreme temperatures (% of population, average 1990-2009) (World) - 2009

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* Data Description : Droughts, floods and extreme temperatures is the annual average percentage of the population that is affected by natural disasters classified as either droughts, floods, or extreme temperature events. A drought is an extended period of time characterized by a deficiency in a regions water supply that is the result of constantly below average precipitation. A drought can lead to losses to agriculture, affect inland navigation and hydropower plants, and cause a lack of drinking water and famine. A flood is a significant rise of water level in a stream, lake, reservoir or coastal region. Extreme temperature events are either cold waves or heat waves. A cold wave can be both a prolonged period of excessively cold weather and the sudden invasion of very cold air over a large area. Along with frost it can cause damage to agriculture, infrastructure, and property. A heat wave is a prolonged period of excessively hot and sometimes also humid weather relative to normal climate patterns of a certain region. Population affected is the number of people injured, left homeless or requiring immediate assistance during a period of emergency resulting from a natural disaster
* Data Source : Worldbank.org
* By changing the date from the drop-down menu, you can view statistics on maps since 2000.
* Countries with the highest value of "Droughts, floods, extreme temperatures (% of population, average 1990-2009)" in the World (2009) : Swaziland(9,22659), Malawi(8,82049), China(7,95097), Niger(7,52507), Eritrea(7,32348), Guyana(7,17062), Djibouti(6,79685), Cambodia(6,64379), Kenya(6,47785), Tajikistan(5,37809).

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