Presentation is loading. Please wait.

Presentation is loading. Please wait.

Disaster Inventories Workshop

Similar presentations


Presentation on theme: "Disaster Inventories Workshop"— Presentation transcript:

1 Disaster Inventories Workshop
EQUATION OF RISK Number of expected people killed, other losses Frequency & Magnitude (or intensity of hazard Population living in the exposed area, infrastructure Degree of population or infrastructure “fragility” Risk = Hazard x Element exposed x Vulnerability* Risk = Physical Exposure x Vulnerability * UNDRO (1979), Natural Disasters and Vulnerability Analysis in Report of Expert Group Meeting Maputo, Mozambique, August of 2008

2 Disaster Inventories Workshop
The Risk Triangle: Risk is a combination of the interaction of hazard, exposure, and vulnerability, which can be represented by the three sides of a triangle. RISK Exposure Vulnerability Hazard Reliable & Accurate Data Reliable & Accurate Data If any one of these sides increases, the area of the triangle increases, hence the amount of risk also increases. If any one of the sides reduces, the risk reduces. If we can eliminate one side there is no risk. Reliable & Accurate Data Maputo, Mozambique, August of 2008

3 Disaster Inventories Workshop
Hazard: a natural or social-technological phenomena that produces damages to human lives, economic/social infrastructure and environment (earthquakes, floods, droughts, etc.) Vulnerability: Degree of population or infrastructure “fragility” to hazards. Risk: the probability of a certain level of loss to occur. Maputo, Mozambique, August of 2008

4 Disaster Inventories Workshop
DISASTER RISK MANAGEMENT CYCLE Maputo, Mozambique, August of 2008

5 Disaster Inventories Workshop
Prevention, Preparedness, Mitigation, Risk Reduction…. “Effective early warning and preparedness, land use planning and appropriate construction, risk assessment in projects and planning, community based risk management, insurance (financial and social) and asset protection through social safety nets among others dramatically reduce human exposure to hazard and susceptibility to harm. Action to reduce risks from natural disasters must be at the centre of development policy” DFID Policy Briefing, Disaster risk reduction: a development concern, 2004. Maputo, Mozambique, August of 2008

6 Disaster Inventories Workshop
Emergency: “The phase immediately after impact is characterized by the intense and serious disturbance […] and the minimum conditions necessary for the survival and functioning of the affected social unit are not satisfied Recovery: Process of re-establishing acceptable and sustainable living conditions through the rehabilitation, repair and reconstruction of destroyed, interrupted or deteriorated infrastructure, goods and services and the reactivation or promotion of economic and social development in affected areas Maputo, Mozambique, August of 2008

7 Disaster Inventories Workshop
UNDAC: mainly for response purposes (United Nations Disaster Assessment and Coordination). Being replaced by a series of more specialized assessments (UNOSAT, EC-IRA, WHO-RHA, etc.) ECLAC: adopted for measuring direct and indirect economic and social impacts, divided by economical sectors (Economic Commission for Latin America and the Caribbean) Maputo, Mozambique, August of 2008

8 Disaster Inventories Workshop
RISK ASSESSMENTS “Risk assessment is the determination of quantitative or qualitative value of risk related to a concrete situation, location and a specific threat.” Are targeted to specific hazards Require large amounts of information Involve complex modeling May change over time Urban or regional Maputo, Mozambique, August of 2008

9 Disaster Inventories Workshop
Hazard probability (frequency) Exposed population Simple Risk Index Maputo, Mozambique, August of 2008

10 Disaster Inventories Workshop
Some Applications of Risk Assessments Identification of Priority areas (Hotspots) Evaluation of urgency of action Support for Preparedness, Risk Mitigation, EWS plans Support for Policies/Regulations and investments Strategic advantage for negotiation Other applications Maputo, Mozambique, August of 2008

11 Disaster Inventories Workshop
Mitigation actions Specifics Engineering, constructing measures Map. Inventory of non-engineered buildings; Design standards, building codes; potential incentives (reduced insurance cost, land title, etc…) Physical planning measures Land–use and zoning regulations; map/inventory of lifelines facilities; location of population concentration; design of supply and transport networks Economic measures Unemployment, income distribution, poverty levels; degree of diversification; taxation and incentive policies; access to insurance Management and institutional measures Political will to implement mitigation measures; Government structures established to plan; prioritization of planning; responsibility assignments Social measures Commitment on public education; Participation of communities in decisions Maputo, Mozambique, August of 2008

12 DesInventar: The Project
Some of the Hypothesis that inspired the project Disasters are a problem of Development Natural disasters are not so “natural” Impact of Disasters is growing Small and medium disasters impact is extremely high Small and medium disasters occurrence patterns can show vulnerability Maputo, Mozambique, August of 2008

13 Maputo, Mozambique, August 18-23 of 2008
What is DesInventar A data collection methodology A preliminary analysis methodology A set of Software Tools DesInventar Contexts As a Historical Disaster database As a Post-disaster damage & loss data collection tool Maputo, Mozambique, August of 2008

14 DesInventar Methodology:
… essentially proposes the collection of homogeneous data about disasters of all scales. The information compiled and processed is entered in a scale of time and referenced to a relatively small geographic unit. Maputo, Mozambique, August of 2008

15 DesInventar Data Collection Methodology:
Concepts Definitions Glossary of Events and Effects Recommendations & How to’s Maputo, Mozambique, August of 2008

16 DesInventar Methodology:
Concepts: Hazard Vulnerability Risk Geography Maputo, Mozambique, August of 2008

17 DesInventar Methodology:
Definition: “Event” is defined as any social-natural phenomena that can be considered as a threat to life, properties, infrastructure and environment. Maputo, Mozambique, August of 2008

18 DesInventar Methodology:
Definition: “Disaster” is defined as the set of adverse effects caused by social-natural and natural phenomena on human life, properties, infrastructure and environment (an “Event”) within a specific geographic unit during a given period of time. Maputo, Mozambique, August of 2008

19 DesInventar Methodology:
Geography: multi-layered area units Hierarchical structure (currently limited to three levels) Usually Administrative boundaries Challenge: Selecting the maximum resolution Maputo, Mozambique, August of 2008

20 DesInventar Methodology:
GLOSARY OF TERMS: EVENTS ACCIDENT HAILSTORM FLASH FLOOD (ALLUVION) HEAT WAVE AVALANCHE LANDSLIDE BIOLOGICAL DISASTER LEAK COASTLINE EROSION LIQUEFACTION DROUGHT TSUNAMI EARTHQUAKE PLAGUE ELECTRIC STORM POLLUTION EPIDEMIC RAINS VOLCANIC ERUPTION SEDIMENTATION EXPLOSION SNOWSTORM FAILURE SPATE FIRE STORM FLOOD WINDSTORM FOREST FIRE STRUCTURE FROST SURGE Maputo, Mozambique, August of 2008

21 DesInventar Methodology:
DEFINITIONS OF EFFECTS Maputo, Mozambique, August of 2008

22 DesInventar Methodology:
Recommendations & How to’s: Selection of Boundaries Choosing the maximum resolution Selecting Codes (and names) The Period of the research Selection of sources Maputo, Mozambique, August of 2008

23 DesInventar Methodology:
Recommendations & How to’s: When disaggregated data is unavailable Discrepancies among sources “Chained” events When geographical units are split Long duration events Maputo, Mozambique, August of 2008

24 Preliminary Analysis Methodology:
Preliminary analysis is a set of SIMPLE operations that can be routinely applied to a DesInventar database that can provide very quickly with proxy indicators of Risk and help identifying patterns and trends. Is called “Preliminary” because it doesn’t correlate the data with other possible sources of data such as demography, topography, land use, etc. It is a “self-contained” analysis. Deeper analysis should be done after to further prove conclusions and establish causes. Maputo, Mozambique, August of 2008

25 Preliminary Analysis Methodology:
Composition of disasters (type and effects) Temporal analysis (trends and patterns) Spatial distribution analysis (spatial patterns) Cause-effect analysis Statistical Analysis (mean, max, deviation, variance) Maputo, Mozambique, August of 2008

26 Preliminary Analysis Methodology:
Composition Analysis: Shows what types of disasters are affecting a region Compares the effect of different types of events Analysis is done on specific types of effects (human life, housing, agriculture, etc.) Can be done for the entire area or specific sub-regions Maputo, Mozambique, August of 2008

27 Preliminary Analysis Methodology:
Use of Composition Analysis: Provides initial figures aggregated in time and space showing the total impact of disasters. Helps focusing the rest of the analysis by identifying critical types of events Maputo, Mozambique, August of 2008

28 Examples of Preliminary Analysis With Tamil Nadu Disaster Data
Kanyakumari District Composition of Disasters: Number of Reports Maputo, Mozambique, August of 2008

29 Examples of Preliminary Analysis With Tamil Nadu Disaster Data
Kanyakumari District Composition of Disasters: Number of Deaths Maputo, Mozambique, August of 2008

30 Examples of Preliminary Analysis With Tamil Nadu Disaster Data
Kanyakumari District Composition of Disasters: Number of houses damaged or destroyed Maputo, Mozambique, August of 2008

31 Examples of Preliminary Analysis With Tamil Nadu Disaster Data
State level figures (incomplete) Composition of Disasters: Number of Reports Maputo, Mozambique, August of 2008

32 Examples of Preliminary Analysis With Tamil Nadu Disaster Data
State level figures (incomplete) Composition of Disasters: Number of Deaths Maputo, Mozambique, August of 2008

33 Examples of Preliminary Analysis With Tamil Nadu Disaster Data
State level figures (incomplete) Composition of Disasters: Number of Houses Damaged or Destroyed Maputo, Mozambique, August of 2008

34 Examples of Preliminary Analysis With Tamil Nadu Disaster Data
Temporal Analysis: This type of analysis shows patterns of occurrence of disasters along time (for example the seasonality of atmospheric events) and trends of the occurrence and impact of disasters, calculated in terms of different effect variables, such as Number of deaths, Number of destroyed houses, number of reports etc. Maputo, Mozambique, August of 2008

35 Examples of Preliminary Analysis With Tamil Nadu Disaster Data
Use of Temporal Analysis: Provides input for time aspects of contingency plans, DRM, etc. Follow up of effectiveness of Risk Mitigation Plans Maputo, Mozambique, August of 2008

36 Examples of Preliminary Analysis With Tamil Nadu Disaster Data
Kanyakumari District Occurrence of Disasters: Number of Reports Maputo, Mozambique, August of 2008

37 Examples of Preliminary Analysis With Tamil Nadu Disaster Data
Kanyakumari District Seasonality of Disasters: Number of Deaths Maputo, Mozambique, August of 2008

38 Examples of Preliminary Analysis With Tamil Nadu Disaster Data
State level figures (incomplete) Occurrence of Disasters: Number of Reports Maputo, Mozambique, August of 2008

39 Examples of Preliminary Analysis With Tamil Nadu Disaster Data
State level figures (incomplete) Trends in Disasters: Number of Deaths EXCLUDING TSUNAMI Maputo, Mozambique, August of 2008

40 Examples of Preliminary Analysis With Tamil Nadu Disaster Data
Spatial Analysis: This type of analysis shows patterns of occurrence of disasters over space, displayed as colored areas in terms of the number of reports and different effect variables, such as Number of deaths, Number of destroyed houses, etc. Maputo, Mozambique, August of 2008

41 Examples of Preliminary Analysis With Tamil Nadu Disaster Data
Spatial Analysis: Riskier and/or Vulnerable areas may be identified by isolated areas or clusters of areas with higher than average level of impact It usually shows patterns of higher than average impact associated to geography elements (rivers, hill areas, etc) Can be combined with temporary analysis to provide seasonal occurrence maps Maputo, Mozambique, August of 2008

42 Examples of Preliminary Analysis With Tamil Nadu Disaster Data
Use of Spatial Analysis: Provides Maps of proxy indicators of Risk (“proxy risk maps”) in absence of much higher cost, long term risk maps Should be used as input layer to modelled risk maps Can be used to validate and complement risk maps DOES NOT REPLACE OTHER MODELLING-BASED RISK ASSESMENT MAPS or GIS SYSTEMS Maputo, Mozambique, August of 2008

43 Examples of Preliminary Analysis With Tamil Nadu Disaster Data
Kanyakumari District Maputo, Mozambique, August of 2008

44 Examples of Preliminary Analysis With Tamil Nadu Disaster Data
State level figures (Incomplete) Patterns in Disasters: Multi- Hazard Map of Number of Deaths EXCLUDING TSUNAMI Maputo, Mozambique, August of 2008

45 Examples of Preliminary Analysis With Tamil Nadu Disaster Data
State level figures (Incomplete) Patterns in Disasters: Multi-hazard Map of Number of Reports EXCLUDING TSUNAMI Maputo, Mozambique, August of 2008

46 Examples of Preliminary Analysis With Tamil Nadu Disaster Data
State level figures (Incomplete) Patterns in Disasters: Multi-Hazard Map of Number of Houses affected EXCLUDING TSUNAMI Maputo, Mozambique, August of 2008

47 Examples of Preliminary Analysis With Tamil Nadu Disaster Data
State level figures (Incomplete) Patterns in Disasters: FLOODS Number of Reports Maputo, Mozambique, August of 2008

48 Examples of Preliminary Analysis With Tamil Nadu Disaster Data
State level figures (Incomplete) Patterns in Disasters: FLOODS Number of Houses affected Maputo, Mozambique, August of 2008

49 Examples of Preliminary Analysis With Tamil Nadu Disaster Data
State level figures (Incomplete) Patterns in Disasters: FLOODS Number of deaths Maputo, Mozambique, August of 2008

50 Examples of Preliminary Analysis With Tamil Nadu Disaster Data
Statistical Analysis: Provides Tabular form of data to support other types of analysis Provides aggregates of data by multiple criteria with simple pivoting operations Provides basic statistical measures (mean, variance, std. deviation, maximums, etc) Provides information to be further processed by other systems (export of aggregated data) Maputo, Mozambique, August of 2008

51 Examples of Preliminary Analysis With Tamil Nadu Disaster Data
Maputo, Mozambique, August of 2008

52 Potential Use of DesInventar
Discutir como sera implementado o Observatorio de Desastres em Mocambique. Como e quem o vai operar? Quem serao os usuarios dos produtos do Observatorio. Como esses produtos serao acessados e disseminados? Como sera realizado o processo de analise e sua relacao com a avaliacao do risco? Discutir como sera implementado o processo de investigacao historica? Outros pontos adicionais/sugestoes Maputo, Mozambique, August of 2008

53 Potential Use of DesInventar
Input as vulnerability layer for Risk assessment models (‘proxy’ indicators) Support for plans (Preparedness, Risk Mitigation, etc) Follow-up of efficiency of these plans Validation of Risk & Hazard Maps Support for Policies/Regulations and investments Strategic advantage for negotiation Damage Assessment System in major disasters Other applications Maputo, Mozambique, August of 2008

54 Maputo, Mozambique, August 18-23 of 2008
DesInventar THANK YOU Maputo, Mozambique, August of 2008


Download ppt "Disaster Inventories Workshop"

Similar presentations


Ads by Google