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Flood vulnerability assessment of donstream area in Mono basin in Yoto district, south-eastern Togo


par Abravi Essenam KISSI
University of Lome - Master 2014
  

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LIST OF FIGURES

FIGURE 1: NUMBER OF PEOPLE AFFECTED BY FLOOD DURING THE PERIOD OF (1994-2010) 3

FIGURE 2 SUSCEPTIBILITY FRAMEWORK 9

FIGURE 3 RESILIENCE FRAMEWORK 10

FIGURE 4: TURNER ET AL'S VULNERABILITY FRAMEWORK; SOURCE: TURNER ET AL., 2003, P 8076 21

FIGURE 5: VULNERABILITY COMPONENTS EXTRACTED FROM TURNER ET AL., 2003 FRAMEWORK 22

FIGURE 6: LINEAR TREND LINE CORRESPONDING TO RAINFALL DATA (1971-2010) 33

FIGURE 7: MONTHLY AVERAGE RAINFALL (1971-2010) 33

FIGURE 8: ANNUAL RAINFALL CUMULATIVE DEVIATION (1971-2010) (TABLIGBO STATION) 34

FIGURE 9: AVERAGE ANNUAL DISCHARGE VARIATION (1971-2010) 35

FIGURE 10: MONTHLY DISCHARGE AVERAGE(1971-2010) 35

FIGURE 11: ANNUAL DISCHARGE CUMULATIVE DEVIATION (1971-2010) 36

FIGURE 12:FLOOD FREQUENCY DISTRIBUTION 39

FIGURE 13: LIVELIHOOD STRATEGIES BY MARITAL STATUS OF HEADS OF HOUSEHOLDS 43

LIST OF TABLES

TABLE 1: FLOOD INDICATORS INFORMATION 3

TABLE 2: SELECTED INDICATORS FOR FLOOD VULNERABILITY 23

TABLE 3: DESCRIPTION OF SECONDARY DATA USE 24

TABLE 4: REFERENCE OF METEOROLOGICAL AND HYDROLOGICAL STATIONS 25

TABLE 5: ANNUAL MAXIMUM FLOW BASIC STATISTICS 38

TABLE 6: DEPTHS OF FLOOD WATER (2010) AS REVEALED BY MARKS ON BUILDING WALLS AND AVERAGE FLOOD DURATION (2010) FROM HOUSEHOLD 40

LIST OF MAPS

MAP 1: MAP SHOWING THE TARGETED VILLAGES 3

MAP 2: MAP OF YOTO DISTRICT SHOWING THE SURVEYED VILLAGES IN LOW ALTITUDE 43

MAP 3: FLOOD EXPOSURE MAP OF THE STUDY AREA 53

MAP 4: FLOOD SUSCEPTIBILITY MAP OF THE STUDY AREA 54

MAP 5: FLOOD RESILIENCE MAP OF THE STUDY AREA 55

MAP 6 FLOOD VULNERABILITY MAP OF THE STUDY AREA 56

LIST OF PHOTO

PHOTO 1: PALM TREES FARM UNDER WATER SINCE THE 2010 FLOOD, PHOTOGRAPH TAKEN DURING FIELD WORK 3

PHOTO 2: USE OF WATER IN THE COMMUNITY, PHOTOGRAPH TAKEN DURING FIELD WORK 45

PHOTO 3: HOUSE MADE IN BANCO AND STRAW. 46 PHOTO 4: HOUSE MADE BY CLAY WALL WITH DESTROYED BY THE 2010 FLOOD IN TOKPLI COUNTY THATCHED ROOF, PHOTOGRAPH TAKEN DURING SOURCE: PDNA, 2010 FIELD WORK.................................................................. 46

PHOTO 6: DEHYDRATE SOIL IN BATOE VILLAGE...................................................................48 PHOTO 7: MONO RIVER BANK FRAGMENTATION IN PHOTOGRAPH TAKEN DURING FIELD WORK VILLAGE MAWUSSOU, PHOTOGRAPH TAKEN DURING FIELD WORK 48

PHOTO 8: IMPLANTATION OF SIGN POST MARKING POSSIBLE FLOODING LEVELS (EARLY WARNING SYSTEM) 49

ACRONYMS

CCA: Climate Change Adaptation

CRED: Centre for Research on Epidemiology of Disasters

CV: Coefficient of Variation

DNM: Direction National de la Météorologie

DRM: Disaster Risk Management

EM-DAT: Emergency Events Data Base

EVI: Extreme Value Type 1 distribution

FAO: United Nations Food and Agriculture Organization

FVI: Flood Vulnerability Index

GDP: Gross Domestic Product

GIS: Geographical Information System

HFA: Hyogo Framework for Action

IMF: International Monetary Fund

IPCC: Intergovernmental Panel on Climate Change

MERF: Ministère de l'Environnement et des Ressources Forestières

NGO: Non Government Organisation

LP3: Log Pearson Type 3 distribution

PAR: Pressure and Release Model

PDNA: Post Disaster Needs Assessment

OCHA: Office for the Coordination of Humanitarian Affairs

SREX: IPCC Special Report on Managing the Risks of Extreme Events and Disasters to Advance Climate Change Adaptation

UN: United Nations

UNDP: United Nations Development Programme

UN/ISDR: United Nations International Strategy for Disaster Reduction

UNU-EHS: United Nations University-Institute for Environment and Human security

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