The effects of flooding includes damage to homes and properties, potential loss of lives, disruption in livelihood and communications and usually an economic loss to the government. Geographical of thailand, northern thailand is hill side, when there is heavy rain the water flow from northern river such as ping, wang, yom, nan to chaopraya river, floodplain area which is central area. What are the causes and effects of river flooding in the. Health risks also are associated with the evacuation of patients, loss of health workers, and loss of health infrastructure including essential drugs and supplies. Damage to infrastructure also causes longterm impacts, such as disruptions to supplies of clean water, wastewater treatment, electricity. What are the causes and effects of river flooding in the usa and bangladesh. Aqa and ccea geography in song to help understanding and recall of reasons why rivers flood. Flooding is an overflowing of a body of water onto normally dry land. This is because flooding can carry bridges, cars, houses, and even people. In other words, the aim of the article is to identify the factors causing flooding in nigeria, examine the effects of flooding in nigeria and suggest measures for controlling flooding in. The people of interior sindh and balochistan faced such a situation several times. The simplest explanation for flooding is heavy rains. Floods also cause food prices to spike, depending on how fast the flood waters recede. A flood is caused by a combination of heavy rainfall causing river oceans to over.
In this section, well cover the most common flood effects. The causes of floods heavy rainfall at river sources. Causes and effects of perennial floods the recent floods in accra, displaced people, and destroyed properties. Floods are common natural disasters that can affect millions of people around the world. High tides or storms cause the water level to rise. The arctic is warming faster than the temperate zones. Dams and levees are built to protect the most flood prone areas of the u. The causes of flooding are varied, but the effects of most causes can be managed if not prevented. They are often caused by rivers, but overflowing lakes and seas can also cause flooding.
Family structure female headed households and households with a large number of dependencies are considered to be more vulnerable to the negative impacts of disasters. After earthquakes on the ocean floor tsunamis can bring up to 15metre high waves and flood the coast many miles inland. Apr 04, 2019 coastal flooding occurs when a large storm or tsunami causes the sea to surge inland. Over time, repeated rainfall can lead to significant amounts of soil loss. However, if these dams are not managed properly, they may cause flooding and. September 24, 2008 the cause and effect of floods floods are caused by many things. It will also help to know the ways to mitigate the effect of flooding. When it plunges south, it picks up tropical moisture from the gulf of mexico and dumps it on the east coast. Living in a high flood risk area could end up costing you a fortune if you dont have the correct flood defence system installed at your property. Flooding can involve widespread flooding of waterways or the accumulation of rainwater on saturated ground and roadways. Pdf an assesment of causes and effects of flood in nigeria. The impact on those affected may cause psychological damage.
As rainwater reaches and fills the river channels, the water spreads on the floodplain or the land next to the river and causes flooding. We could clearly see how little water got to the bottom of the table on the meandering table with vegetation and terracing, while on the other table water flowed quickly and formed a pool in the bag. This includes loss of drinking water treatment and water supply, which. Factors that may affect the frequency and severity of flooding include climate and precipitation, elevation and surrounding terrain as well as the volume of land area located in or near a watershed. In some areas, waterways are clogged with litter resulting in floods during rainfall.
No matter what causes of a flood, it can have devastating effects on your community. It is the secondlongest river in the united states. This essay is about the causes and effects that flood have on our world. Rivers and flooding ks3 geography revision bbc bitesize. One of the main causes of flooding in accra is as a result of the improper planning of settlement, choked gutters which block the drainage system and few other human factors.
The research will help to identify the areas that are prone to flood. Floods also frequently damage power transmission and sometimes power generation, which then has knockon effects caused by the loss of power. We will also be comparing and contrasting these causes and investigating if being a medc or ledc affects the scalesize of a. There are several potential weatherrelated and manmade causes of significant flooding. Weak government structure and low budgets result in bad flood protocols, minuscule rescue and response team and lack of equipment for real life situations. Bangladesh also experiences regular monsoon seasons and receives the snow melting down from the himalayas, again, rising. What are the causes and effects of flooding in southeast asia. Floods definition and different causes of floods toppr. A critical analysis revealed that many cases of flooding experienced in this country are caused by dam. Hurricanes, clogged drainages, and rainfall are some of the conditions that have led to flooding in various regions across the globe. Heavy, consistent and prolonged rainfall coupled with the overflowing of rivers and other water channels is one of the main causes of flooding.
Bangladesh flood page delta a landform at the mouth of the river, where the river flows into the sea interception where plants and trees intercept the water from going into the soil, and catches them in their leaves saturated surface runoff where the ground is too wet for it to be able to take in any more water, so the water just runs over the surface of the soil. The objective of this study is to examine the substantive causes and selected effects of floods in south western nigeria with a view to identify solution for sub stainable development. Floods causes effects and prevention stormguard floodplan. As a result, the lack of land cover causes increased rates of soil erosion. Flooding can result in loss of life, widespread structural damage, power outages and may even increase the likelihood the spread of waterborne. Apr, 2019 flooding is one of the most widespread of climatic hazards and poses multiple risks to human health. Trees and vegetation cover help to hold the soil particles together thereby reduces the erosive effects of erosion caused by rainfall and flooding. The primary effects of flooding include loss of life and damage to buildings and other structures, including bridges, sewerage systems, roadways, and canals.
May 21, 2009 many times it rains too much, other times a dam breaks. Whenever flooding takes place, there is the possibility of loss of life, hardship to people, and extensive damage to property. Erosion also causes contaminants in the soil to leach into the water supply which will greatly decrease the quality of our drinking water. What are the causes and effects of river flooding in the usa. The cause and effects of floods cause and effect essay. The consequences of flooding can be reduced with education. Without trees to secure fertile soil, erosion often occurs and sweeps sacred land into nearby rivers. You will learn to identify various methods that are used to prevent floods and explore how preventing natural flood. Lack of education on the causes and mitigation measures that one can use to reduce the effects of flooding. Unusually heavy weather at the source of a river can lead.
In this article, we highlight the causes of flooding as well as its effects and suggest measures for addressing the problem of flooding in nigeria. Rain is the leading contributor to most of the flooding cases witnessed across the world. Besides physical danger, floods also cause economic and social problems. Additionally, flooding causes kills animals, and others insects are introduced to affected areas, distorting the natural balance of the ecosystem. Thirdly, there are breaches in the existing dams or water reservoirs causing the inundation flooding of wide areas, destruction of whole villages and towns.
Rapidly moving stormwater, flashfloods, and flooding may also occur because of excess surface water runoff, thus, causing extreme local erosion by plucking bed rocks, forming rock cutbasins, creating potholes, and washing away the loosened soil particles. One area might receive a lot of rain and wont flood while in other areas the same amount of rainfall can wreak havoc, destroying homes, businesses and the natural environment. These are some of the positive and negative effects of flooding. Most floods take hours or even days to develop, giving residents time to prepare or.
Feb 21, 2020 the warnings were issued on friday as large areas of south wales and the midlands continued to battle extensive flooding, while clearup operations started in areas where water levels had fallen. Floods causes effects and prevention thea causes, effects and prevention of flooding living in a high flood risk area could end up costing you a fortune if you dont have the correct flood defence system installed at your property. What are the causes and effects of flooding in southeast. The primary effects of flooding include loss of life and damage to buildings and other structures, including bridges, sewerage systems, roadways, and canals floods also frequently damage power transmission and sometimes power generation, which then has knockon effects caused by the loss of power. Flood waters also strip the ground of needed nutrients. If the water level is higher than the level of the coastal lowland, flooding will occur. In contrast, flash flooding more often involves localized flooding of small rivers, streams, creeks, and storm sewers. The bangladesh flood had had countless detrimental effects on the country but contrastingly, it has also brought together international help with the disaster. The flood damaged homes, possessions and had a huge disruption to communications.
Flooding office of disaster preparedness and management. In this section, well cover the basic causes and effects of flooding to help you better understand this dangerous meteorological and hydrological phenomenon. There are several human causes of flooding, including poorly designed infrastructure. Essay on causes and effects of flood the college study. Sudden thaws in mountainous areas can lead to dangerous increases in water draining. Flooding here builds up slowly but causes more damage because more land is affected.
The discharge of a river can be displayed on a graph called a flood hydrograph floods have both negative and positive impacts. Jun 02, 2017 check out products related to geography, travel and the outdoors on amazon. Put simply, a flood is too much water in the wrong place. Oct 12, 2018 home contemporary issues flooding in nigeria. The worst cases of flooding may occur if there is a combination of storms, spring tides and low atmospheric pressure. Many times it rains too much, other times a dam breaks. That changes the air pressure and turns the jet stream.
This is because businesses may lose stock, patronage and productivity. It is important to understand what causes flooding and what the effects can be. The primary causes of flooding in southeast asia are the monsoon rains which come in the later months of the year and the rising sea levels the world over. Floods can also contaminate drinking water and lead to diseases. Flooding is one of the most widespread of climatic hazards and poses multiple risks to human health. The mississippi river is in the usa which is an medc more economically developed country. Being only 2 meters above sea level, it is one of the lowest lying countries in the world and is believed to become completely underwater by 2100 kinda, 2008. The mississippi river is in the usa which is an medc. Flooding happens in many ways due to overflow of streams, rivers, lakes or oceans or as a result of excessive rain. Rains, overflowing rivers, ruptured dams, and melting water from snow and ice may all result in flooding that produces harmful economic and environmental effects.
Causes of flooding in thailand main cause of flooding in thailand is heave rain in monsoon season, overloaded capacity of dam, river. This causes major problems for people living close to the river. Climate change also causes floods by shifting the pattern of the jet stream. The research gives a clear insight into the causes, effects and solution to flooding in nigeria. Positive and negative impacts of flooding essay and. Widespread flooding and severe flash floods can produce significant casualties and pose a serious threat. The cause and effect of floods floods are caused by many things. Flooding refers to an overflow of water that submerges land areas that are usually dry. Another difference between flooding and flash flooding is where each commonly occurs.
There are actually many dangerous flooding effects. Rivers and flooding it is important to understand what causes flooding and what the effects can be. No matter what type of flood youre dealing with, they are generally caused by the same key factors and there are always negative effects. Soybeans, corn, rice, and cotton are planted in the mississippi river area in the spring when flooding occurs. When they become damaged or overloaded, disastrous flooding occurs because the water. Apr 16, 2016 aqa and ccea geography in song to help understanding and recall of reasons why rivers flood.
Most floods take hours or even days to develop, giving residents time to prepare or evacuate. May 11, 2018 another difference between flooding and flash flooding is where each commonly occurs. Apr 08, 2019 flash flood causes and effects can be mitigated by a detention basin. Here are eight of the most common causes of flooding, both natural and humaninduced. Floods causes and effects of flooding flood protection. They destroy houses and buildings, and carry soil away from valuable farming land. The river that causes great destruction during floods in northeastern states of india. Coastal flooding occurs when a large storm or tsunami causes the sea to surge inland.
Flooding is typically caused when rivers, lakes and streams overflow, but heavy and sustained rains may produce flash floods even in dry regions and areas where bodies of water are scarce. In the mediumterm, infected wounds, complications of injury, poisoning, poor mental health, communicable diseases, and starvation are indirect effects of flooding. Flooding is not always caused by natural occurrences. Such flooding took place in southern sindh and makran in balochistan in the past and recently in 2007. Trees are also crucial for our local water cycles as they assist in returning water.
In this site, we will be exploring the causes of the 1998 bangladesh flooding and 1995 netherlands flooding as well as the effects of the causes. Financially crippled to provide flood protection systems. The warnings were issued on friday as large areas of south wales and the midlands continued to battle extensive flooding, while clearup operations. Jul 03, 2012 the effects of flooding includes damage to homes and properties, potential loss of lives, disruption in livelihood and communications and usually an economic loss to the government. Jan 21, 2020 floods also cause food prices to spike, depending on how fast the flood waters recede. Flooding can be very dangerous only 15cms of fastflowing water are needed to knock you off your feet. Flood prevention processes help to reduce damage and protect people in the event of a flood.
Positive and negative impacts of flooding essay and speech. When flooding occurs, the floodwater is drained into the basin first giving people ample time to evacuate. Pdf causes and consequences of flooding in nigeria. Heavy rainfall at river sources unusually heavy weather at the source of a river can lead to vast amounts of water draining into the water table.
A river floods when the water normally flowing in the channel overflows its banks and spreads out onto the surrounding land. Bangladesh has long been prone to flooding by natural causes. Tsunamis, earthquakes and even strong tidal flows may also result in floods. Check out products related to geography, travel and the outdoors on amazon. In this video lesson, you will study floods, their causes and their effects.