Flood Risk and Vulnerability Analysis Project - Atlantic Climate ...

5.2 Methods
The methodology used for this study generally consisted of identifying vulnerable communities
and subsequently assessing their susceptibility to direct and indirect effects of flooding. First,
potentially vulnerable communities were identified by reviewing the event frequency and
damage estimates contained in the updated Flood Events Inventory. After communities were
identified, the physical hazard for each community was assessed. The next step was to
determine each community‟s vulnerability to the direct effects of flooding (e.g., inundation).
Third, potential indirect effects, such as isolation, were assessed for each of the identified
communities. Finally, the results of each of the above steps are summarised in a decision table,
highlighting those communities most vulnerable to flooding.
5.3 Identify key communities from the Flood Events Inventory
The flood events Inventory presents a recent (1950 to present) history of flooding in
Newfoundland and Labrador. Communities were initially ranked based on the number of
recorded events, which ranged from just one event to 73 (for the city of St John‟s). As a starting
point, those communities registering five or more events were initially included (Table 5-1).
Community
Number of
Events
Community
Number of
Events
St. John's 73 Gander 5
Corner Brook 42 Grand Bank 5
Stephenville 27 Grand Falls 5
Deer Lake 16 King's Point 5
Placentia 12 Marystown 5
Ferryland 7 Middle Arm 5
Noel's Pond 7 Mount Pearl 5
Codroy Valley 6
Maddox
Cove 5
Goulds 6 Rushoon 5
Steady
Brook 5
Carbonear 5
Gambo 5
Table 5-1. Communities registering 5 or more
flood events
The next step was to supplement the above with the damage estimate data. As noted in the
updated Flood Events Inventory (produced for section 0 of this report), damage estimate data is
not provided for all flood events, and most entries lack Disaster Financial Assistance
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