They are often caused by rivers, but overflowing lakes and seas can also cause flooding. 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. Presently there are widely discussed of disasters and its results to enhance the public awareness and greater destruction caused by disaster flood. The health impacts of floods are wide ranging, and depend on a number of factors. Hurricanes, clogged drainages, and rainfall are some of the conditions that have led to flooding in various regions across the globe. The research gives a clear insight into the causes, effects and solution to flooding in nigeria. The costs and impacts of the winter 20 to 2014 floods. In simple terms, flood can be defined as an overflow of large quantities of water onto a normally dry land. Pdf recent floods and consequences all over the world are becoming too frequent and threat to sustainable development in human settlements. Across the globe, floods have posed tremendous danger to peoples lives and properties. Further we will be studying about the reasons for flooding, the effects and the solutions there on reasons for floods in mumbai. Lets define flood increase in discharge compared to normal. Regular floods are part of peoples lives in various regions of the world, recurring with varying magnitudes and frequencies to which people have adapted for centuries. Flooding accounts for 40% of all natural disasters worldwide and causes about half of all deaths from natural disasters.
To the extreme, very heavy rainfall followed by fl ooding can not only cause tremendous damage to buildings and homes, but. A flood that affects a significant part of the riparian community and causes. Environmental impacts of flooding alberta waterportal. The north bengal flood of 1922 also caused a great loss of life and property. Poverty and floods held in march,2003 indicated that in recent. Nature and causes of flooding and associated secondary hazards.
Floods can also contaminate drinking water and lead to diseases. The findings then were distilled into common themes. Throughout the human civilization, floods have been part of his destiny. It will also help to know the ways to mitigate the effect of flooding. Therefore, regulated flood and its quick recession is no doubt beneficial for the ecosystem as well as related biodiversity of the park in many ways. Apr 16, 2014 during severe floods, which occur from may to october, this percentage may increase considerably. The positive and negative impacts of flood on biodiversity. The effects of drainage pattern on the amount of flood are similar to the shape of the basins. Permanent, contingent and emergency floodproofing of your business property. The research focus on the causes effects and solution to flooding in nigeria. Floods are an area of study of the discipline hydrology and are of significant concern in agriculture, civil engineering and public health flooding may occur as an overflow of water from water bodies, such as a river, lake, or. Effects of floods and droughts floods and droughts definition. Here are eight of the most common causes of flooding, both natural and humaninduced. The worst cases of flooding may occur if there is a combination of storms, spring tides and low atmospheric pressure.
Flash floods can roll boulders, tear out trees, destroy buildings and bridges, and scour out new channels. When floods occur they bring with them numerous problems, ranging from the physical impact of water damage to the problems of disease and famine that can follow such disasters. Guidelines for reducing flood losses united nations. The research will help to identify the areas that are prone to flood. High drainage densities can be a cause of greater flood risk. One physical health effect associated with both water and flood. There are several human causes of flooding, including poorly designed infrastructure. Floods, devastating, mitigating, flood plain summary floods are among the most devastating natural disasters in the world, claiming more lives and causing more property damage than any other natural phenomena. Floods are natural occurrences where an area or land that is normally dry abruptly becomes submerged in water.
Imagine life with insufficient amount of water, it will be impossible to do the daily activities of cleaning, cooking, drinking etc. Nov 11, 2000 flooding accounts for 40% of all natural disasters worldwide and causes about half of all deaths from natural disasters. Social impacts of flooding flooding does not only result in destroyed infrastructure and damaged property, but also has an adverse social impact on citizens affected by the natural disaster. The types of flood events and their causes thoughtco. Floods causes and effects of flooding flood protection. Flash floods often come from intense storms and the overflowing of small rivers and creeks. In the sense of flowing water, the word may also be applied to the inflow of the tide. Environmental impacts of flooding flooding can have a variety of direct impacts on the environment and ecosystems contained within a flooded region.
Floods causes effects and prevention flood protection by. Coastal areas are also at risk from sea flooding, when storms and big waves bring seawater onto the land. Economic losses due to the effects of damaging floods have. Texas was driven to the use of relatively scourfailureresistant foundations decades. Soybeans, corn, rice, and cotton are planted in the mississippi river area in the spring when flooding occurs. Health effects on human beings can be psychological mental or physiological. The devastating effect of flooding in nigeria angela kesiena etuonovbe, nigeria key words. A flood is an overflow of water that submerges land that is usually dry. Riverine floods are a real threat to human populations located near rivers where flat terrain provides floodwater with an unobstructed path. An analysis of the causes and circumstances of flood. South asian floods had wide scale effects in india, nepal, bhutan, pakistan and bangladesh which resulted into death toll in excess of 2,000 in addition to affecting nearly 30 million people in the region saarc workshop on flood risk management in south asia, 2012. That increases costs to farmers but provides a benefit to fertilizer companies. However, the health impacts of a particular flood are specific to the particular context. Impacts on physical and mental health can be both shortterm and longterm and can result in changes to the livelihoods of affected citizens 1.
Network characteristics or drainage pattern network characteristics have been identified as having flood intensifying effects within a given drainage basin. This national park developed naturally with its numerous biodiversity. Rains, overflowing rivers, ruptured dams, and melting water from snow and ice may all result in flooding that produces harmful economic and environmental effects. September 24, 2008 the cause and effect of floods floods are caused by many things. How to reduce the effects of flooding northbridge insurance. Flooding happens in many ways due to overflow of streams, rivers, lakes or oceans or as a result of excessive rain. Bangladesh is one the countries with a unique settings for flooding.
They destroy houses and buildings, and carry soil away from valuable farming land. Put simply, a flood is too much water in the wrong place. The methodology section was divided into three major subsections, namely the research instruments, data and analysis. This essay is about the causes and effects that flood have on our world. Floods causes effects and prevention other stormguard floodplan defence systems as well as the flood defence systems mentioned in this blog, we also have other systems available to be installed by our team including sewage protection, tanking and air bricks. In general, it was analyzed that worldwide flood is the most destructive natural hazards causing extensive damage to the built and natural environment, and devastation to human settlements. Effects of floods and droughts water is a very basic necessity for the survival of life on earth. Very little is known about the effects of longterm flooding during the growing season on many. A function was fitted, to describe the limit vehicle speed, v, as a function of flood depth, w, which has an rsquared of 0.
Floods cause about one third of all deaths, one third of all injuries and one third of all damage from natural disasters askew, 1999. The 2008 floods in iowa were very unusual in that 1 trees were submerged for long periods weeks in some cases, 2 flooding occurred during the growing season, and 3 urban and nonfloodplain trees were affected as well as floodplain trees. Large areas of land in the districts of burdwan, hooghly and midnapur were flooded. Floods causes effects and prevention stormguard floodplan. The water than spills out into the areas that are supposed to be dry, like roads gardens and houses. A flood is caused by a combination of heavy rainfall causing river oceans to over flow their banks, and can. Their impacts on health vary between populations for reasons relating to population. The causes of flooding are varied, but the effects of most causes can be managed if not prevented. Another aim was to determine how the communities in those villages were affected socially, economically and psychologically by floods. Pdf an assesment of causes and effects of flood in nigeria.
All about different types of floods in bangladesh and their causes, effects and possible solutions are mention here in detail. The immediate health impacts of floods include drowning, injuries, hypothermia, and animal bites. Health effects of floods health effects occur directly through contact with flood waters or indirectly from damage to infrastructure, ecosystems, food and water supplies or social support systems. A flood is caused by a combination of heavy rainfall causing river oceans to over flow their banks, and can happen at any time of the year, not just in the winter. Sep 02, 2016 flooded homes present big health hazards written by kristen fischer on september 2, 2016 people returning to flooded out homes in places like louisiana and florida face a multitude of health issues. They can be immediate or can appear days, weeks or months after the floods have. The simplest explanation for flooding is heavy rains. A flood is a body of water that covers land which is normally dry. Renewal of wetlands floods contribute to the health of ecologically important wetland areas. In nigeria, the pattern is similar with the rest of world. Causes of flooding from a geological perspective, floods are a natural consequence of stream flow in a continually changing environment. An assesment of causes and effects of flood in nigeria article pdf available in scientific research and essays vol2 7. Though floods can be devastating to population centers, they have always been an integral part of natures renewal process, providing many longterm positive effects. We will explain floods causes effects and prevention by using different types of flood defence systems.
Effects of urban development on flood discharge and frequency common consequences of urban development are increased peak discharge and frequency of floods. Floods are an area of study of the discipline hydrology and are of significant concern in agriculture, civil engineering and public health. Weve put together a comprehensive list of things you can do to help reduce the impact of flooding on your business premises. May 21, 2009 the cause and effect of floods floods are caused by many things. There are many ways to prevent flooding at your property. Widespread flooding and severe flash floods can produce significant casualties and pose a serious threat. Flood waters also strip the ground of needed nutrients. Tsunamis, earthquakes and even strong tidal flows may also result in floods. Floods impact both individuals and communities, and have social, economic, and environmental consequences.
These floods are generally expected and welcomed in many parts of the world, since they enrich the soil and provide both water and livelihoods. A huge amount of money is to be invested for the recovery of the havoc caused by the floods. Floods are common natural disasters that can affect millions of people around the world. In recent years, flood has become a common feature in the park with its increasing magnitude. A critical analysis revealed that many cases of flooding experienced in this country are caused by dam. If there happened to be a flood in your area, protecting your home could end up saving you a lot of money as well as the stress and hassle. Typically, the annual maximum discharge in a stream will increase as urban development occurs, although the increase is sometimes masked by substantial yeartoyear. Specifically, the research sought to assess the causes and effects of floods on. Flooding is arguably the weatherrelated hazard that is. Flood has its both shortterm as well as longterm negative impact on its biodiversity and both results into severe destruction to the whole ecosystem. Maintenance of vegetation status and soil formation.
Major effects arise mainly from inundation and erosion and may include the isolation of communities or areas and involve the need for large scale evacuation. Rapidly rising water can reach heights of 30 feet or more. The cause and effects of floods cause and effect essay. Pdf causes and consequences of flooding in nigeria. The objectives of the study are to assess the situation, the history, the causes, aggravating factors, extent and effects of the flood. Rain is the leading contributor to most of the flooding cases witnessed across the world. The effects of flooding can be greatly reduced by taking preventative and precautionary measures. Floods have been occurring throughout earth history, and are expected so long as the water cycle continues to run. The consequences of floods, both negative and positive, vary greatly depending on their location, duration, depth and speed, as well as the vulnerability and value of the affected natural and constructed environments. The effect of flooding worldwide have being devastating to the extent that. Many times it rains too much, other times a dam breaks. Flooded homes present big health hazards written by kristen fischer on september 2, 2016 people returning to flooded out homes in places like louisiana and florida face a multitude of health issues.