Spatial Analysis of Vulnerability to Flooding in Port Harcourt Metropolis, Nigeria

Dados Bibliográficos

ID3432333
AutoresThecla Iheoma Akukwe (0000-0002-1987-9882, University of Nigeria), Chinedu Ogbodo, Chinedu Joel Ogbodo (University of Nigeria)
Ano2015
Volume5
Fascículo1
Data de publicação2015-03-01
Peer ReviewedSim
Open AccessSim
TipoARTICLE
PeriódicoSAGE Open (JOURNAL)
Identificadores do periódicoISSN: 2158-2440 • E-ISSN: 2158-2440
EditoraSAGE Publications Inc (PUBLISHER)
DOI10.1177/2158244015575558
OpenAlexW2044762425
IdiomaEN
Citações recebidas10
Referências citadas26

This study analyzed the vulnerability to flooding in Port Harcourt metropolis, Nigeria, by creating vulnerability indices and comparing these indices across the 13 zones that make up Port Harcourt metropolis. The integrated vulnerability assessment approach using indicators was adopted. The indicators were grouped into adaptive capacity, sensitivity, and exposure based on the Intergovernmental Panel on Climate Change definition of vulnerability. The data on these indicators were obtained from fieldwork, questionnaire, and map measurements. Principal component analysis was performed to obtain the first component scores which were used to weight the variables before calculating the vulnerability indices of the 13 zones. The vulnerability indices results show that Mgbuosimiri (Zone K) is relatively the most vulnerable, whereas the least vulnerable is Eligbolo (Zone D). Cluster analysis was used to group the different vulnerability indices to produce a vulnerability map showing the spatial pattern of the different flood vulnerability levels (i.e., very high, high, low, and very low vulnerability levels). The spatial pattern of the vulnerability levels increases toward the north west, south west, south, and north east, and decreases toward the central of Port Harcourt. However, the vulnerability map can be used for the reduction of damage potential by integrating its outputs into spatial planning and emergency planning

Climate change · Computer security · Flood myth · Geography · Port harcourt · Socioeconomics · Sociology · Vulnerability assessment · Vulnerability index · Climate change impacts on agriculture · Computer Science · Flood Risk Assessment and Management · Hydrology and Drought Analysis · Psychology · Geology