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|a Preparing to manage natural hazards and climate change risks in Dakar, Senegal |h [electronic resource] |b A spatial and institutional approach. Pilot study report. |y English. |
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|a Washington, DC : |b World Bank, |c 2009-06. |
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|a The World Bank: The World Bank authorizes the use of this material subject to the terms and conditions on its website, http://www.worldbank.org/terms |
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|a Wang, H.G., Montoliu-Munoz, M., Gueye, N.F.D. (2009). Preparing to manage natural hazards and climate change risks in Dakar, Senegal: a spatial and institutional approach. The World Bank, Geoville Group, Institut African de Gestion Urbaine. |
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|a This is a report of a pilot study conducted by the World Bank concerning the natural risk hazards present in a 550 square km metropolitan area of Dakar, Senegal. The densely populated region is vulnerable to several natural hazards, yet it is not subject to the supervision of local government. Therefore, a project has been launched to analyze the area’s hazards and assess its institutional capabilities in order to develop a methodology for risk assessment at Dakar’s regional scale. This project also applies the World Bank’s Climate Change City Primer directives for its assessment of the existing infrastructure’s capabilities. GIS analysis is a prominent component of the study, employing population data, land prices, and land-cover data to produce maps depicting the region’s vulnerability to three major natural hazards—flooding, coastal erosion, and sea-level rise. The report includes spatial data from 1988 and 2008 to demonstrate the development of natural hazards as a result of population growth and land changes due to persistent soil erosion. The study’s recommendations include an awareness campaign that emphasizes the importance of land-use planning and community involvement in disaster response. The researchers recommend that the campaign begin with the dissemination of this study’s findings. The report concludes with a general action plan for the improvement of disaster management procedures. Detailed recommendations are not presented at this preliminary study, noting that more detailed analysis is required. However, the lack of an agency tasked with disaster management and the lack of hazard-related databases are identified as top priorities for this urban region that must build a disaster management infrastructure from the ground up. |
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|a Disaster Risk Management |
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|a Climate Change |
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|a Acknowledgments p. I; Acronyms and abreviations p. II; Executive summary p. 1; 1. Introduction p. 9; 2. Natural Disasters in Dakar, Senegal p. 13; 3. Conceptual framework for hazard, risk, and vulnerability p. 21; 3.1 Definitions p. 21; 3.2 Risk Factors and Related Information Sources p. 24; 3.3 Hazard types p. 25; 3.4 Hazards and Climate Change p. 27; 4. Spatial Analysis p. 29; 4.1 Overview and the Definition of Peri-Urban Areas p. 29; 4.2 Map Generation p. 32; 4.2.1 Land Use Mapping p. 36; 4.2.2 Hazard Potential Maps p. 41; 4.3 Spatial Analysis p. 48; 4.3.1 Methodology p. 48; 4.3.1.1 Overview p. 48; 4.3.1.2 Generation of Input Data p. 51; 4.3.1.3 Mapping and statistical analysis p. 55; 4.3.2 Spatial Analysis Results p. 56; 4.3.2.1 Land Cover Changes p. 56; 4.3.2.2 Social Exposure and Vulnerability p. 59; 4.3.2.3 Economic Exposure and Vulnerability p. 60; 4.3.2.4 Built-up Areas exposed to Hazards p. 62; 4.3.2.5 Non-built-up Areas exposed to Hazards p. 65; 5. Hotspot Characterization and Assessment of Institutional Capacity p. 67; 5.1 Overview p. 67; 5.2 The “Primer” Survey (the City Typology and Risk Characterization Matrix) p. 67; 5.3 The survey results p. 69; 5.3.1 General data on the Departments p. 69; 5.3.2 Governance Structure Related to Disaster Risk Management p. 70; 5.3.3 Urban Planning and Land Use Regulations p. 75; 5.3.4 Exposure of Political and Economic Assets to Disasters p. 77; 5.3.5 Climate Change Preparedness p. 78; 5.3.6 Disaster Response System p. 78; 5.3.7 Peri-urban Areas p. 79; 5.4 Knowledge and Capacity Gaps for disaster management and climate change impacts p. 80; 6. Moving Forward: Lessons Learned and Action Plans to Ramp up Natural Hazard and Climate Change Risk Management Practices in Dakar, Senegal p. 83; 6.1 Guiding principles: Hyogo Framework for Action p. 83; 6.2 More pro-active approach to informing, motivating, and involving people in
their own local communities p. 84; 6.2.1 Informing, motivating, and involving people in their own local communities. p. 85; 6.2.2 Strengthening local institutional capacity and coordination. p. 85; 6.2.3 Policy reforms and investments for improved hazard resilience and preparedness at the local level p. 86; 6.3 Replication of the Pilot Study p. 87; Bibliography p. 89; Tables: Table 1: Components and Factors of RISK and Related Information Sources and Assessment
Results p. 24; Table 2: Types of Natural Hazards, Potential Anthropogenic Causes and Relations to Other Hazards p. 26; Table 3: Overview of the Produced Maps p. 33; Table 4: Available Multi-temporal Satellite Scenes p. 36; Table 5: List of Thematic Classes for land use change mapping p. 38; Table 6: Key for classifying and reporting relative natural hazard potentials at aggregated resolution (250 meter) p. 41; Table 7: Classes Contained in the Multi-Hazard Map p. 45; Table 8: List of Maps Produced for Spatial Analysis p. 49; Table 9: Source Data, Preparation Methods, and Resulting Input Data for the Spatial Analysis p. 51; Table 10: Land Cover 1988 and 2008 and Land Cover Changes p. 57; Table 11: Land Price Value Exposed to High Hazard Potentials (million US$) p. 61; Table 12: City Typology and Risk Characterization Matrix p. 68; Table 13: Population in Authorized and Non-authorized Human Settlements in the Dakar
Metropolitan Area p. 70; Figures: Figure 1: The Classification of Urban, Peri-Urban, and Rural areas in the Dakar Metropolitan Area p. 2; Figure 2: Hazard Mapping of the Dakar Metropolitan Area p. 3; Figure 3: Hotspots of Social Exposure with High Population Growth and High Hazard
Potentials VS Population Growth (1988 – 2008) in Areas with Hazard Potentials p. 4; Figure 4: Flooding and Coastal Erosion Threaten Life and Resources of Dakar p. 14; Figure 5: Risk Triangle, Crichton 1999 p. 22; Figure 6: Risk as a Function of Hazard, Vulnerability, Exposure, and Resilience p. 23; Figure 7: The Dakar Metropolitan Area, Covering the Departments of Dakar, Guédiawaye, Pikine, and Rufisque p. 30; Figure 8: The Classification of Urban, Peri-Urban, and Rural areas in the Dakar Metropolitan Area p. 32; Figure 9: Detailed Land Use Map of Dakar, 2008 p. 37; Figure 10: Comparison of Detailed and Aggregated Land Use Map for Year 2008 p. 38; Figure 11: Land Use Changes, 1988, 1999, and 2008 p. 40; Figure 12: Relative Flood Potential Layer for Dakar, Senegal Aggregated to 250m Cells. p. 42; Figure 13: Coastal Erosion Potential Layer for Dakar, Senegal Aggregated to 250m Cells. p. 43; Figure 14: 1m Coastal Inundation Potential for Dakar, Senegal Aggregated to 250m Cells p. 44; Figure 15: 5m Coastal Inundation Potential for Dakar, Senegal Aggregated to 250m Cells p. 44; Figure 16: Multi-Hazard Potential in Dakar, Senegal, Including Relative Flood Potential, Coastal Erosion and 1m Coastal Inundation Potential Scenarios p. 46; Figure 17: Multi-Hazard Potential in Separate Maps p. 47; Figure 18: Synchronizing Land-Cover/Use Data with the Census Data p. 53; Figure 19: Comparison of Census-Based (Department) and Spatially Disaggregated Population Distribution p. 54; Figure 20: Hazard Potential Zoning Applied to the Satistical Analysis Maps p. 55; Figure 21: Detail of Hazard map p. 56; Figure 22: Development of the Built-up Area, 1988, 1999, and 2008 p. 58; Figure 23: Total Share of Built-up Areas within Urban, Peri-urban, and Rural Communes in 2008 p. 58; Figure 24: Population Growth 1988 - 2008 in Areas with Different Hazard Potentials p. 59; Figure 25: Hot Spots of Social Exposure Given by High Population Growth between 1999; and 2008 and High Hazards Potentials p. 60; Figure 26: Economic Exposure to Hazards Expressed by Land Price Values (US$ per sq km) p. 61; Figure 27: Built-up Area in 2008 Threatened by Hazards, with Detail Shown in the Upper Part p. 63; Figure 28: Share of Industrial/Commercial/Traffic Areas and Exposure to Hazards in 2008 p. 64; Figure 29: Non-built-up Areas 2008 Exposed to High Hazard Potentials p. 65; Figure 30: Hazard Potentials in Non-built-up Areas p. 66; Boxes: Box 1: Natural Hazard and Disaster Risk Overview for Dakar p. 14; Box 2: Natural Hazards in the Dakar Metropolitan Area p. 17; Box 3: Justification for Selection of Specific Natural Hazards p. 29 |
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|a Electronic reproduction. |c Florida International University, |d 2013. |f (dpSobek) |n Mode of access: World Wide Web. |n System requirements: Internet connectivity; Web browser software. |
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|a Climate change |z Dakar (Senegal). |
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|a Natural hazards and disasters |z Dakar (Senegal). |
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|a Risk management |z Dakar (Senegal). |
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|a Senegal. |2 tgn |
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|a Wang, Hyoung Gun |g Economist, Spatial team FEU, SDN |u The World Bank. |
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|a Montoliu-Munoz, Marisela |g Head, Spatial team FEU, SDN |u The World Bank. |
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|a Fatou D. Gueye, Ndèye |u African Urban Management Institute. |
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|a The Geoville Group. |
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|a Disaster Risk Reduction Program, Florida International University (DRR/FIU), |e summary contributor. |
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|a dpSobek. |
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|u http://dpanther.fiu.edu/dpService/dpPurlService/purl/FI13010986/00001 |y Click here for full text |
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|a http://dpanther.fiu.edu/sobek/content/FI/13/01/09/86/00001/FI13010986thm.jpg |
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