A geospatial perspective of flood risk hotspots, transport networks and emergency response services in Accra, Ghana
Bibliographic Data
| ID | 9849469 |
|---|---|
| Authors | Richard Y Kofie (0009-0001-2284-8876, corresponding author), Albert Nii-Moe Allotey (Institute for Scientific & Technological Information, Council for Scientific & Industrial Research, Cantonments, Accra, Ghana), Lasse Møller-Jensen (0000-0001-9503-055X, University of Copenhagen), Gerald Albert Baeribameng Yiran (0000-0003-4624-9701, University of Ghana) |
| Year | 2024 |
| Pages | 1-17 |
| Publication date | 2024-05-19 |
| Peer Reviewed | Yes |
| Open Access | No |
| Type | ARTICLE |
| Venue | Geografisk Tidsskrift-Danish Journal of Geography (JOURNAL) |
| Journal identifiers | ISSN: 0016-7223 • E-ISSN: 1903-2471 |
| Publisher | Informa UK Limited (PUBLISHER • GB) |
| DOI | 10.1080/00167223.2024.2354352 |
| OpenAlex | W4398144183 |
| Language | EN |
| References cited | 20 |
This paper adds to existing knowledge about flood management in Accra and contributes insights into emergency responses to major flood events in a geospatial context. The study identifies and analyses the specific routes from the facilities of emergency responders to designated flood-prone areas within four sites in the peripheral areas of the Greater Accra Metropolitan Area. Flood hotspots were ascertained from several sources including local knowledge and bluespot maps derived from a 10 m resolution elevation model. GIS-based network analysis was used to determine the fastest routes from emergency responder facilities to flood hotspots, based on OpenStreetMap data. Interviews revealed that the computed routes are unsuitable for emergency services due to narrow passages and prevailing conditions during the floods. It is necessary to incorporate the individual responder’s knowledge gained through familiarization with the local terrain to identify the optimal routes. The study further analysed the accessibility of emergency response services using indicative service area maps that present an account of time-distance from various emergency responders’ bases. Finally, the study recommends the need for better planning of the expanding areas of the Greater Accra Metropolitan Area, in terms of accessibility for emergency responders
Archaeology · Business · Emergency response · Environmental planning · Environmental resource management · Flood myth · Geography · Geospatial analysis · Medical emergency · Perspective (graphical · Remote sensing · Computer Science · Environmental Science · Flood Risk Assessment and Management · Hydropower, Displacement, Environmental Impact · Medicine · Urban and Rural Development Challenges
OSMnx
The dilemma of flood occurrence in Accra
A Comparison of Satellite-Based Estimates of Urban Agglomeration Size for the Accra Area
Urban encroachment in ecologically sensitive areas
Juggling through Ghanaian urbanisation
The emergence of city-regions and their implications for contemporary spatial governance
Accra towards a city-region
Land Markets in African Cities
| Citation velocity | historical |
|---|---|
| Highly cited | No |