Some Floodings in the econmy 5th Fact

(Source 1.) Link :http://en.wikipedia.org/wiki/Flood People in Sangkhom and Si Chiang Mai districts of the northeastern province of Nong Khai are buying more food supplies, as heavy flooding conditions cut them them off from the outside world. Relevant units are urgently assisting the flood-affected people by giving out food items, drinking water, medical supplies and clean sanitation. The flood situation in Nong Khai is still worrying. The water from Mekong River has surged into the city area of the province, adding that rain has continued falling since last night. Many households and stores are flooded even though villagers have laid sandbags and used water pumps to ease the situation. Villagers in some areas have already evacuated to higher grounds.

(Source 2.) Link : http://www.ucar.edu/communications/factsheets/Flooding.html Flash floods are short-term inundations of small areas such as a town or parts of a city, usually by tributaries and creeks. Heavy rain in a few hours can produce flash flooding even in places where little rain has fallen for weeks or months. If heavy rainfall occurs repeatedly over a wide area, then river or mainstem flooding becomes more likely, in which the main rivers of a region swell and inundate large areas, sometimes well after rainfall has ended. The 1993 Midwest floods were caused by 77 events over several months where rainfall of greater than one inch occurred over areas 100 to 200 miles wide and 400 to 600 miles long. Both flash flooding and river flooding threaten life and property, although the former causes more deaths and the latter more property damage.

(Source 3.) Link : http://en.wikipedia.org/wiki/Flood Floods can also occur in rivers, when the strength of the river is so high it flows out of the river channel, particularly at bends or meanders and cause damage to homes and businesses along such rivers. While flood damage can be virtually eliminated by moving away from rivers and other bodies of water, since time out of mind, people have lived and worked by the water to seek sustenance and capitalize on the gains of cheap and easy travel and commerce by being near water. That humans continue to inhabit areas threatened by flood damage is only evidence that the value of being near the water far exceeds the costs of repeated periodic flooding.

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