The Concept of Flooding

Categories: PsychologyTechnology

1.1 Statement of Problem

The society and economy of a nation suffers after a flood. The loss of lives, vegetation, and framework implies there will be fewer individuals on the work power, less horticulture accessible for local people and exportation, and fewer organizations to add to the economy of the nation. Flooding as a process is a hazard, but because of the need for water as a basic need of man and the human interaction with water, this creates dangerous effects of the hazard transforming to a likely disaster or catastrophe.

It is therefore important to know how to mitigate the effects caused by flooding and the possible occurrence of the disaster, as well as measures to put in place to ensure a quick recovery as an aftermath after the occurrence of flooding as a disaster.

2.0 Description of the concept

Flooding could either be a primary or secondary hazard. The impact on flooding could be influenced by climate changes or climatic conditions of a particular area, vegetation which could include the availability of trees and other forms of reforestation, the population density in a particular area could also affect the impact of the hazard to a disaster or catastrophe and the land use in areas of wet climatic conditions also affects the magnitude and frequency of hazard’s occurrence.

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There are various types of flooding that occur around us, some of these common types include;

Pluvial flooding (flash flood and surface flood), brought about by overwhelming and unexpected precipitation, flash flooding happens when the ground can’t assimilate the water as fast as it falls.

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This kind of flood for the most part dies down rapidly, however while it keeps going can be quick moving and perilous. Flash flooding can be prevented by creating acceptable waste frameworks and by staying away from over-development on floodplains (Maddox, 2014).

Fluvial flooding (river flood), is one of the most well-known kinds of inland flood; happening when a waterway surpasses its ability. At the point when a waterway ‘blasts its banks’ — ordinarily because of high rainfall over a delayed timeframe — limited flooding can make extensive harm encompassing properties, just as representing a critical security risk, caused by the inability to provide great river resistances, particularly in level or crowded zones (Maddox, 2014).

Coastal flooding (storm surge), as the name proposes, happens in territories that lie on the bank of an ocean, sea, or other enormous group of untamed water. It is regularly the aftereffect of outrageous tidal conditions brought about by serious climate. Storm surge, created when high breezes from hurricanes and storms push water inland, is the main source of beach front flooding and regularly the best risk related to a tropical storm. In this type of flood, water overpowers low-lying land and regularly causes obliterating death toll and property, it could either be minor, moderate or major (Maddox, 2014).

A portion of these dangerous floods in American history includes the Hurricane of 1900 for Galveston, Texas. The Category 4 tempest executed more than 6,000 individuals, with most authority reports referring to more like 8,000 dead, the Okeechobee Hurricane in 1928, which caused more than 2,500 passing. Conversely, Hurricane Katrina asserted less than 2,000 lives. Likewise, the episodes of flooding remember a 1972 dam disappointment for Buffalo Creek, West Virginia. The dam, proclaimed “satisfactory” just four days before the disaster triggered, as the weight from the primary broken dam made a subsequent second burst, and afterward a third. In excess of 132 million gallons of water were discharged, guaranteeing 125 lives while harming in excess of 1,100 individuals. Practically every one of the 5,000 of the inhabitants downstream were left destitute, a 1976 flash flood in Colorado’s Big Thompson Canyon after inordinate rainfall made ground-breaking water that at last executed 144 individuals and came about in nearly $40 million in harms. Waters arrived at paces of in excess of 30 feet (9.14 m) for each second, moving 250-ton rocks with their incredible flows, the Great Flood of 1993, inordinate rainfall in the Mississippi River bowl caused huge flooding that did $20 billion in harms over a time of a while and so on. The instances of flooding are various and can’t all be canvassed right in this short research(Redd, 2017).

Flooding could be caused by both human chain of actions, which could also be referred to as environmental unity or natural causes, which could be linked to other hazards, such as hurricanes to flood. Some of these causes includes;

Heavy Rains: The least difficult clarification for flooding is overwhelming downpours. Regardless of where you live, you are encompassed by framework and frameworks intended to move water into fitting bowls and stores. Much of the time, the framework carries out its responsibility, and you never need to consider where the downpour goes when it runs off. At the point when it rains vigorously, in any case, those frameworks are overpowered, and that water doesn’t deplete so rapidly as it needs to. To put it plainly, the seepage frameworks back up, and the water rises — some time into homes. This regularly happens just in instances of continued overwhelming downpours over a significant stretch.

Overflowing Rivers: You don’t really need to have overwhelming downpours to encounter flooding in your general vicinity. For instance, if you live along a stream and zones upstream you experience overwhelming downpours, it could prompt a genuine flood where you live. Bigger waterways incorporate a progression of dams to help oversee a lot of precipitation, and most stream frameworks are overseen by government specialists. At times, be that as it may, those specialists need to settle on extreme choices about how to work dams. They regularly can deal with the water and forestall flooding inside and out — however not generally(Brody et al., 2011).

Broken Dams: Much of America’s foundation was worked in the twentieth century, so it is getting old. At the point when substantial downpours come, and water levels rise, maturing dams can fall flat and release deluges of water on clueless family units. This is a piece of what occurred after Hurricane Katrina hit New Orleans in 2005. Levees fizzled and aggravated the flooding far more than it would have been something else. While we have come to rely upon twentieth century design, and quite a bit of it carries out its responsibility well, there is constantly a likelihood that a structure will fall flat.

Urban Drainage Basins: Many of our urban communities are made of for the most part concrete and other impermeable material. At the point when you have an urban waste bowl that is made of cement, there is no ground for water to sink into. In this way, when those seepage bowls top off, it will mean flooding for low-lying zones. This is for the most part the case in huge urban zones — think Houston and Los Angeles. At the point when substantial downpours strike, the bowls used to deplete them can’t generally deal with the heap.

Storm Surges and Tsunamis: Rain isn’t generally the guilty party in regard to flooding. Storm surges identified with hurricanes and different storms can prompt noteworthy flooding, as can tidal waves that are once in a while brought about by submerged tremors. Given present day innovation, we frequently think about storm surges and waves before they show up, yet this isn’t generally the situation. For instance, in 2004, a quake off the shoreline of Indonesia made a tidal wave that gave small admonition before coming aground(Murphy, 2010).

Channels with Steep Sides: Flooding frequently happens when there is quick overflow into lakes, waterways and different supplies. This is frequently the situation with streams and different channels that component soak sides. It is a comparable issue to having an absence of vegetation, which is clarified in more detail underneath.

A Lack of Vegetation: Vegetation can help moderate overflow and forestall flooding. When there is an absence of vegetation, in any case, there is little to prevent water from running off. This can be somewhat of a problem after a dry season. While zone inhabitants likely respect the downpour, the absence of vegetation after the dry spell can cause streak flooding. This doesn’t generally happen given that bowls and repositories are near void, yet it can happen in instances of outrageous downpours following extensive stretches of dry spell.

Softening Snow and Ice: A winter of substantial day off other precipitation can prompt a spring of flooding. All things considered, that day off ice needs to head off to some place when they liquefy. Most uneven territories experience generally steady snowfall sums from year to year, however an abnormally overwhelming winter of precipitation can spell awful news for low-lying zones around the mountains when spring hits. Fortunately continued winter precipitation gives a long lead time to get ready for potential flooding (Salgado, 2018, Apr 19).

2.1 Advantages of flooding

For farmers and those in the agricultural division, the floodplains encourage them over the long haul by giving nutrients to the soil that were inadequate and increases biological productivity. Flooding helps keep the elevation of a landmass above the sea level and this is used to reveal the topography of a land. Flooding increases agricultural production, because flooding brings changes to the soil, topography and the physical features within these areas overtime. Nutrients are additionally added to rivers and lakes, improving the health of fishes that can be consumed.

There might be migration of fishes and living organisms in water bodies during flooding. This improves the ecosystem, new predators and prey are acquainted with new regions, adjusting the oceanic populace. Flooding helps in groundwater recharge, these recharges enables the moving of excess salts that accumulate in the root zone to deeper soil layers. After flooding through the redevelopment of infrastructures, the property estimation and living conditions in certain areas will improve. Flooding helps to unite individuals as they assist each other in the repercussions and locating families.

Flooding expands broad areas for streams and rivers to expand and accommodate temporary areas of storage water to reduce flood peaks and lessen the potential of erosion. Flooding makes an open space giving regions to various dynamic and passive activities, supporting the economic base. Flooding improves the quality of water by decreasing sediments load, separating the nutrients and polluting influences, and moderating water temperature. It supplies fresh water.

2.2 Disadvantages of flooding

After a flood there could be a considerable amount of recorded deaths, the loss of lives. Flooding causes damage in vegetation and plantations. There will be fewer individuals on the work power of a state. Minimal farming system accessible, flooding causes a set back for local products and exportation that ordinarily generates revenue and employment. Destruction of organizations and companies that adds to the economy of the nation. There will be mass separation of individuals from families and loved ones. A considerable amount of people might be left destitute and jobless.

The nation may look for help from foreign nations to supply nourishment and materials to clean and supplant framework. While a few nations will help unreservedly, some will charge for its endeavors, placing the nation owing debtors and at a monetary misfortune.

The redistribution of populace will influence the nation adversely as overcrowding or congestion may become an issue. The redistribution of sewage and refuse may prompt expanded diseases, other medical issues and social issues. It destroys homes and could render people stranded. This encourages many security problems and will be unsafe for individuals. Flooding of areas could also disrupt wildlife and the ecosystem.

3.0 My Position

After a careful analysis of the subject topic, weighing the likely advantages and disadvantages, I encourage living amongst floodplains.

3.1 A concise view of my position

Healthy floodplains are nature’s flood protection, they spread dangerous flood waters that would otherwise flood riverside communities. It enables Flood storage and erosion control and this helps cultural and natural resources that are of great value to society. Although susceptible to flooding, many towns have been built on floodplains, for a number of reasons: access to fresh water; the fertility of land for farming and easy harnessing of natural resources(Soffar, 2016). Flooding is a common disaster and many measures have been put in place to contain the damages of future occurrences. Water flooding increases the recovery of crude oil by maintaining the reservoir pressure and by driving the pore saturation of crude oil down to a value characteristic of the lithology of the reservoir and the physico-chemical interaction of the crude and the displacing water. Data on revisions of estimated ultimate recoveries which have been accumulated by the American Petroleum Institute indicate that some 15 percent of the total ultimate recovery, about 22 × 109 barrels, will be produced by water flooding(Doscher, 1977).

The city of Houston Texas is a typical example for harnessing natural resources. Its activities have posed as increasing the risk of flooding but it is yet the richest state in petroleum oil that is known as a major international market that generates massive revenues and employment opportunities, as a result many oil companies and others have continued to expand its base in such floodplain areas. Also, the country Nigeria is seen for its diverse natural resources that ranges from oil, to agriculture, gold, coal, tin and many others, which richly flourishes and has also been noted to thrive in culture. Nigeria is prone to flooding especially Lagos state, nevertheless, expanding in its commercialism, there are many buildings both industrial and residential found in the cities. There are known disadvantages of living in areas prone to flooding but the advantages outweighs the disadvantages.

Cite this page

The Concept of Flooding. (2021, Sep 15). Retrieved from https://studymoose.com/the-concept-of-flooding-essay

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