Modellingsurfacerunoffandmappingfloodvulnerability inlagos state fromdigitalelevation model. The lagos state government on sunday urged residents to remain calm and vigilant in the wake of the torrential rain experienced in the state in the last few days. Due to poor planning, lack of adequate infrastructure, insufficient funds, and a poor governance and regulatory framework, there is. Aug 28, 2016 flood at ladipo bus stop along lagos abeokuta express road before oshodi due to heavy down pour which started at about 9pm on saturday and lasted till sunday evening in lagos. Aderogba, 2012 have argued that the environment was only responding to the abuses. According to the mortuarys manager, bolaji oluwafemi, the area was flood. There is a wide variety of causes of flooding in lagos state, but this research work is based on waste disposal as a major cause of flood. While the county authorities battled with the attendant. Statement of research problem environmental disasters have become common phenomenon in the world as analysts uwuigbe, 2009. Pdf on dec 1, 20, idowu ajibade and others published urban flooding in lagos, nigeria. Challenges of poor drainage systems and floods in lagos metropolis, nigeria 4 flooding some cities, towns, farmlands and major industrial installations over a distance of about 250km and ravaging iowa before it heaped downstream. The paper also looks at the roles of local governments in flood risk management in the thick of centralization of activities by the state government. Vulnerability of poor urban coastal communities to. Lekki, victoria island, ikeja, surulere and ikorodu.
Drawing on interviews with inhabitants and key informants and also on group discussions, it documents the scale and frequency of flooding in these settlements and the impacts, as well as the individual, household and community responses. The devastating effect of flooding in nigeria angela kesiena etuonovbe, nigeria key words. This occurrence has become major issues of concern in. The coastal city of lagos, west africas foremost port city and nigerias. At least 20 people have been killed after intense storms hit nigerias capital lagos over the weekend, causing massive floods. Lagos floods, ajegunle ikorodu express road at ajegule. Lagos has been engulfed by some of its worst flooding. The 2012 nigeria floods began in early july 2012, killed 363 people and displaced over 2. Gaps and challenges of flood risk management in west african. Jul 25, 2011 a 17hour continuous and heavy downpour of rains that occurred in lagos state south west nigeria on 1014 july 2011 caused severe flooding in lagos state. The lagos state government has finally released a statement on the heavy flood that ravaged some parts of the state particularly lekki, vi and lagos island.
Nigeria floods hit lagos, situation worsens in niger and adamawa states. Apart from traffic congestion, flood is the most common serious physical urban problem in most nigerian cities. But even then, apart from the recent occurrences and experiences of flood, there is this long time occurrence. Ugwuanyi phd department of urban and regional planning, faculty of environmental sciences, enugu state university of science and technology esut, enugu, nigeria. Jul 09, 2017 the lagos state government has finally released a statement on the heavy flood that ravaged some parts of the state particularly lekki, vi and lagos island. The menace of seasonal flooding ravaging different areas of delta state, nigeria has been a recurrent phenomenon in recent years. Lagos state ministry of physical planning and urban development and mrs p i adenuga lagos state urban renewal agency for useful discussions and insights on flooding and slum communities in lagos metropolis. Flood mitigation such as early warning systems and t flood forecas ing, proper urban development, awareness and research should be implemented by the lagos state government.
Modellingsurfacerunoffandmappingfloodvulnerability inlagos statefromdigitalelevation model. Jul 09, 2017 lagos, one of africas most populous cities, has been hit by torrential downpour and thunderstorms that has left many parts of the city flooded. For much of the weekend, lagos, africas largest city, has been hit badly by heavy floods. Weeks of torrential rainfall led to flash floods, discharges and river overflowing in benue state, northcentral nigeria, affecting more than 100,000. The changes over the years of the pattern and intensity of rainstorms are also listed as factors influencing the risk of flooding adelekan 2010. Impact of sand mining and sea reclamation on the environment. How to save lagos from flood disasters, others the. Assessing the effects of flooding on residential property. This usually results from high river levels, concentration of overland flow following heavy rainfall, limited capacity of. Against the background of incessant occurrence of flood and its devastating impacts. Oke afacanal is located in ejigbo local government area of lagos state.
The causal factors of flooding in surulere, such as high rainfall intensity and duration, land use patterns. Google scholar national population commission 1998, 1991 population census of the federal republic of nigeria, national population commission vol 6, abuja, nigeria. Lagos state has experienced most of the floods while more frequent floods are recorded in niger, adamawa, oyo, kano and jigawa states. A 17hour continuous and heavy downpour of rains that occurred in lagos state south west nigeria on 1014 july 2011 caused severe flooding in lagos state. Flooding is a common occurrence in many parts of the entire mangrove belt of nigeria and fresh. Lagos state encompasses an area of 358,862 hectares or 3,577 sq. Assessment of coastal flooding on victoria island in etiosa. Between july and october 2012, flooding in nigeria pushed rivers over their banks and submerged hundreds of thousands of acres of farmland. But with the citys drainage system mostly poorly planned and, in some places, nonexistent, flooding. Impacts of flood disaster in agege local government area lagos. While city officials blame the incident partly on indiscriminate dumping of refuse in drainage channels, the environmental rights actionfriends of the earth nigeria blames the environmentallyunfriendly projects by the state government along lagos coastlines. Flood vulnerability assessment in lagos city using multi. Data were collected with the aid of structured questionnaire to elicit information from 412 fishers selected through a multistage random sampling technique. According to the national emergency management agency nema, 30 of nigerias 36 states were affected by the floods.
Jan 30, 2019 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 country. Results show that majority of the land area of surulere is prone to flooding. Flood at ladipo bus stop along lagos abeokuta express road before oshodi due to heavy down pour which started at about 9pm on saturday and lasted till sunday evening in. Ensuring sustainable water supply in lagos, nigeria abstract lagos, the fastest growing city in africa is currently facing a water management crisis. For the past few days, the state, and indeed most parts of nigeria, have witnessed torrential rainfall which is quite unprecedented, lagos state governor akinwunmi ambode said in a.
Oct 24, 2017 the study examined the effect of flooding on the fishing households welfare in lagos state. Flooding and welfare of fishers households in lagos state. Flooding has had adverse effect on the economy of the metropolis, creating large scale underdevelopment in some very economic vital areas. Mr adeyemi abidemi, the permanent secretary, lagos state ministry of environment, on tuesday, said the state government would soon make flooding a thing of the past in the state. This paper considers the risks from and vulnerabilities to flooding in four urban poor communities close to the coast in lagos, nigeria. The statement also adds that the lagoon which is supposed. It is argued that the level of existing knowledge regarding the state of a airs of. The flood menace the guardian nigeria news nigeria and. Flooding has been experienced in the niger through benue basin and sokotobasin in the flooding years of 1987, 1991 and 1994 and this affected agricultural. The study examined the effect of flooding on the fishing households welfare in lagos state. Impacts of flood disaster in agege local government area. Pdf causes and consequences of flooding in nigeria. Flood risk assessment of port harcourt, rivers state, nigeria k.
Data were analyzed using descriptive statistics, budgetary technique and inferential statistics. Flooding in lagos is now an annual even with the exception of the drought year of 1973 9. Assessment of coastal flooding on victoria island in eti. Lagos has been engulfed by some of its worst flooding thanks. Modelling surface runoff and mapping flood vulnerability.
The article suggests a holistic approach by the government to get stakeholders, especially the health sector, more actively involved in disaster management planning. The assessment of flooding problems in the makoko area of lagos as earlier observed initiates devastating consequences for the economy of the state and consequently housing and infrastructural developments. Patterns of vulnerability and resilience among women find, read. In an assessment of 6 port cities, lagos ranks thirtieth for exposed population to flooding. Assessing the effects of flooding on residential property values in lekki phase i, lagos, nigeria. The flooding effect on residential property values. Flood risk management in the coastal city of lagos, nigeria. Flooding has become a perennial problem in nigeria.
This study focuses on the environmental effect of seasonal flooding in ughelli north local government area, of delta state with emphasis on the community livelihood. Ensuring sustainable water supply in lagos, nigeria. Increase in the frequency of flooding incidents all over the world and indeed in nigeria is a major cause for concern. Vulnerability of poor urban coastal communities to flooding. Various studies had identified location, neighbourhood characters, property characters and environmental characters as factors affecting property values. Massive floods leave at least 20 dead in capital lagos, nigeria. This paper tries to point out the gaps and challenges for an adequate flood risk. Flooding is commonly caused by heavy downpours of rains on flat ground, reservoir failure, volcano, melting of snow and or glaciers e. This study focused on the assessment of flooding problems in makoko area of lagos state. Efforts towards urban flood reduction in the lagos region. Although lagos state has been said to have the best flood. Flooding has affected several states of nigeria over the last few.
The aim and objective was to identify and asses the drainage channel in the study area, the effects of flooding in the study area, to examine the causes of flooding in the study area and to examine past efforts of curbing flooding problems in the study area. Aug 11, 2017 weeks of torrential rainfall led to flash floods, discharges and river overflowing in benue state, northcentral nigeria, affecting more than 100,000 people across 21 local government areas in the. Pdf flood management and governance structure in lagos, nigeria. The study areas are ikate with elegushi community and ilubinrin egun settlers both in etiosa local government area of lagos state. Why vi, lekki, others are flooded, lagos govt explains. The lagos metropolitan development project lmdp is a major investment in improving the quality of. Challenges of poor drainage systems and floods in lagos metropolis, nigeria 4 flooding some cities, towns, farmlands and major industrial installations over a distance of about 250km. In 2012, the country was hit by the worst flooding which affected 32 states, killing more than 360 people and displacing almost two million others. Patterns of vulnerability and resilience among women. Community participation approach to flood disaster. The floods were termed as the worst in 40 years, and affected an estimated total of seven million people. Nigeria flooding rivers prompt state of emergency in niger, kogi, anambra and delta 19 september, 2018 as many as 100 people have died in flooding in nigeria over the past two weeks, according to disaster management authorities. Modelling surface runoff and mapping flood vulnerability of. The purpose of this research work is to identify the factors that lead to flooding.
Ministry of economic planning and budget 2004, state of lagos megacity and other nigerian cities, lagos state government, 4 pages. Days of pounding rains that left many homes, shopping facilities and roads in lagos metropolis flooded have raised fresh concerns over master plans and dredging for new estates. A case study of shogunro residential estate, agege. Challenges of poor drainage systems and floods in lagos. The case of enugu east local government area of enugu state, nigeria. Massive floods leave at least 20 dead in capital lagos. According to the statement, blocked drainages caused by indiscriminate dumping of refuse is a major cause of the flood. On tuesday, july 11, the management of a private mortuary, toluwalase hospital morgue, located at otunba oladokun street, in igando area of lagos state has ejected corpses deposited in the facility due to massive flooding of its premises, nigerias dailypost reports. As a sprawling suburban city close to the abuja the federal capital territory fct, the area ought to have been planned with adequate floodwater drainage. A critical analysis revealed that many cases of flooding experienced in this country are caused by dam failure, e. Lagos metropolis, nigeria by 1kofo aderogba, 1martins oredipe, 1shade oderinde and 2toun afelumo 1faculty of social and management sciences, tai solarin university of education ijebuode, nigeria 2faculty of engineering, sheffield hallam university, sheffield, united kingdom abstract flooding is persistent in lagos metropolis.
Lagos, one of africas most populous cities, has been hit by torrential downpour and thunderstorms that has left many parts of the city flooded. Flood risk assessment of port harcourt, rivers state, nigeria. The lagos state flood preparedness plan was developed in. Jul 10, 2017 days of pounding rains that left many homes, shopping facilities and roads in lagos metropolis flooded have raised fresh concerns over master plans and dredging for new estates. Jul 09, 2017 for much of the weekend, lagos, africas largest city, has been hit badly by heavy floods. Flood risk is not just based on history, but on a number of factors. Although the degree and seriousness of the natural disaster fluctuates, flooding remains a recurring phenomenon in most parts of the country. Flooding in nigeria has been due to natural and artificial factors. The heightened risk of flooding in lagos during the wet season has been recognised as an issue since at least the 1970s when residents considered it one of the three most important environmental problems 15. Modelling surface runoff and mapping flood vulnerability of lagos state from digital elevation model.
Although lagos state has been said to have the best flood preparedness plan in nigeria, it has failed to reduce the yearly flood disasters and their impact on the health of the people. May 16, 2017 mr adeyemi abidemi, the permanent secretary, lagos state ministry of environment, on tuesday, said the state government would soon make flooding a thing of the past in the state. Estate, ikoyi, lagos state nigeria revealed flooding as having negative impact on the values of properties within the estate as incessant flooding occurrence in the estate forced both the. Lagos has been categorized as one of 50 cities most exposed to extreme sea levels, and is projected to experience a more than 800 per cent increase in population exposure by the 2070s. This study evaluates the impacts of flooding on the residents of. Cities like port harcourt, lagos, warri, and bayelsa are within the mangrove and fresh water belt.
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