Introduction of flood. pls describe briefly I want to do my project
Answers
Floods are the most frequent type of disaster worldwide. It can strike anywhere and anytime. Although floods can be predicted, they often cause massive damage and destruction of property as most urban communities are located near water sources such as coasts and rivers.
Floods are one of the most common hazards in the United States. Flood effects can be local, impacting a neighborhood or community, or very large, affecting entire river basins and multiple states.
However, not all floods are alike. While some floods develop slowly, sometimes over a period of days, flash floods develop quickly, sometimes in just a few minutes and without any visible signs of rain.
What is a Flood?
In plain English, a flood is an excess of water or mud on land that is normally dry. A flood is a condition that occurs when water overflows the artificial or natural boundaries of a stream, river, or other body of water onto normally dry land. Floods often happen due to heavy rainfall or thawing snow.
Flood Statistics
Your home has a 26% chance of being damaged by a flood during the course of a 30-year mortgage, compared to a 9% chance of fire.
The average annual US flood losses in the years 1996-2005 was more than $2.4 billion.
Since 1978, the NFIP has paid $26.3 billion for 697,912 flood insurance claims and related costs.
In the last 30 years, inland flooding has been responsible for more than half the deaths associated with tropical cyclones in the United States.
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Answer:
A flood is an overflow of water that submerges land that is usually dry.[1] In the sense of "flowing water", the word may also be applied to the inflow of the tide. Floods are an area of study of the discipline hydrology and are of significant concern in agriculture, civil engineering and public health. Human changes to the environment often increase the intensity and frequency of flooding, for example land use changes such as deforestation and removal of wetlands, changes in waterway course such as with levees, and larger environmental issues such as climate change and sea level rise.
Floods are considered second only to wildfires as the most common natural disaster on Earth.
Flooding may occur as an overflow of water from water bodies, such as a river, lake, or ocean, in which the water overtops or breaks levees, resulting in some of that water escaping its usual boundaries,[2] or it may occur due to an accumulation of rainwater on saturated ground in an areal flood. While the size of a lake or other body of water will vary with seasonal changes in precipitation and snow melt, these changes in size are unlikely to be considered significant unless they flood property or drown domestic animals.
Floods can also occur in rivers when the flow rate exceeds the capacity of the river channel, particularly at bends or meanders in the waterway. Floods often cause damage to homes and businesses if they are in the natural flood plains of rivers. While riverine flood damage can be eliminated by moving away from rivers and other bodies of water, people have traditionally lived and worked by rivers because the land is usually flat and fertile and because rivers provide easy travel and access to commerce and industry.