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

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Number of Communities Storm Name Storm Impacted Area Date 18 East Coast October-55 3 *nameless* 164 Burin Peninsula September-95 5 Luis 175 South Coast September-99 2 Gert 211 Rocky Harbour September-04 1 Frances 249 South Coast September-08 2 Gustav 255 St John's September-01 1 Gabrielle Southern and Eastern Newfoundland September-10 93 Igor 283 169 Central NF - Baie Verte Peninsula September-98 9 Earl 189 Western Newfoundland September-02 2 Gustav 210 Eastern, Central, Southern Shore September-04 5 Ivan 234 South Coast September-06 12 Florence 256 Gander August-09 1 Bill 257 Gander August-09 1 Danny Table 5-4. Tropical Storms and hurricanes recorded in the Flood Events Inventory. Point data was not available for the unnamed October, 1955 event. TA1112733 page 116
Figure 5-3. Storm tracks for select 2010 hurricanes (Unisys Weather, 2011). Igor is shown in blue and Earl is shown in pink. 5.4.1 Community Vulnerability to Direct Impacts of Flooding Direct impacts are defined as damages to life, property, employment, and critical facilities resulting from inundation by flood waters. In order to assess the impacts to personal injury or life, Canadian census data (Statistics Canada, 2012) were obtained and mapped in a GIS. Given the lack of infrastructure and property data in a usable spatial format, the Flood Events Inventory and community flood risk maps were examined for instances of flooded and/or damaged infrastructure. Additionally, ancillary GIS data such as terrain, imagery, and roads (Canadian Council, March 2, 2012) were analysed. For example, Petty Harbour-Maddox Cove is located along the eastern coast of the Avalon Peninsula, south of St. John‟s (Figure 5-4). The Flood Events Inventory contains reports of damaged wharves, flooded basements, and a flooded senior citizens home. In examination of the area in the GIS, we see that much of the community infrastructure is located along the harbour, but the flood risk map (Dept. of Energy and Conservation, 2012) shows relatively few resources in the 1:20 year flood zone. TA1112733 page 117
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Atlantic Climate Adaptation Solutio
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GOVERNMENT OF NEWFOUNDLAND AND LABR
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June 13, 2012 AMEC Project #TA11127
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EXECUTIVE SUMMARY The Government of
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Assessing the Need for New or Updat
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SUMMARY The Government of Newfoundl
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Land Use Change A pre-cursor effort
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fresh water from the Arctic south a
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watershed, which appears to already
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RECOMMENDATION SUMMARY Infrastructu
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7. It is recommended that WRMD deve
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TABLE OF CONTENTS PAGE EXECUTIVE SU
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7.3 References for Assess Need for
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LIST OF TABLES Table 2-1. Flood Eve
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LIST OF FIGURES Figure 2-1. Water R
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1. OVERVIEW In the 1980‟s, under
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Floodway Floodway Fringe Climate Ch
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2. Task B - Updated Flood Events In
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Management Framework for Canada def
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The „Types of Events‟ field is
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Field Damage Estimate by Community
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Arrangements 10 (DFAA) damage estim
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Storm # General Location Year Seaso
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2.3.2 Weather Events - Annual Occur
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Figure 2-6. Storm Occurrence by Yea
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Figure 2-8. Storm Occurrence by Mon
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Type of Event (Grouped) % Occurrenc
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Figure 2-11. Flood Occurrence by Se
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Coastal Flooding Coastal Flooding a
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September is associated, presently,
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3. Task C - Assess Existing Flood R
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Gaudon‟s Brook / Cold Brook Steph
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3.3.2.1 Community Flood Watersheds
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3.3.2.3 Earth Observation for Susta
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Figure 3-3. Graphical model of land
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Original EOSD Classes Shadow Water
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surrounding areas were also evaluat
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Watershed Community Total Area Fore
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correct). Of the 90 accuracy assess
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Figure 3-6. GCM sectors selected to
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Figure 3-7. Percentage change of pr
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The results for temperature are sim
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Area Labrador West Central East Sum
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West sees slightly larger winter in
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These increases, though slight, in
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Classification Maximum Sustained Su
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Since air flow around high pressure
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Page 99 and 100: Figure 3-19. Frequency of Named Sto
Page 101 and 102: Figure 3-21. Change in Mean Sea Lev
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Page 121 and 122: Worst Case Scenarios This section
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Page 127 and 128: WRMD has defined a preference for h
Page 129 and 130: The hydrographic network was used t
Page 131 and 132: 4.1.8 Flood History Identification
Page 133 and 134: Watershed Slope The slope attribute
Page 135 and 136: such as number of flood events at a
Page 137 and 138: Deer Lake Placentia Codroy Steady B
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Page 141 and 142: 5.2 Methods The methodology used fo
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Page 149 and 150: natural constrictions. The number a
Page 151 and 152: 5.5.2 Community Exposure to Physica
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Page 155 and 156: Community Access Notes Confinement
Page 157 and 158: Brook and Deer Lake are both locate
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Page 163 and 164: Figure 6-2. Newfoundland Digital El
Page 165 and 166: communities ( Gillams, Hughes Brook
Page 167 and 168: Sub-region Precipitation Climate Ch
Page 169 and 170: Analysis of the socio-economic data
Page 171 and 172: East-2 Coastal communities line nea
Page 173 and 174: 6.2.2 Potential Strategies Table 6-
Page 175 and 176: 6.3 Mitigation Recommendations Base
Page 177 and 178: Table 6-5 presents the range of ave
Page 179 and 180: West-3, West-4, and Central-3 These
Page 181 and 182: Mitigation Strategy Cost to Impleme
Page 183 and 184: Sub-region Watershed Characteristic
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Page 187 and 188: Music and Caya, 2007 Richter and Ba
Page 189 and 190: http://www.arcgis.com/home/item.htm
Page 191 and 192: Rank Community Name LGP# 82 Massey
Page 193 and 194: Rank Community Name LGP# 252 Little
Page 195 and 196: Rank Community Name LGP# 423 Thornl
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TA1112733 page 167
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FOX ISLAND RIVER-POINT GALLANTS GEO
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GEORGE'S BROOK-MILTON GOOBIES GRAND
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TA1112733 page 173
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Flood # Storm # General Location St
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11. Appendix D IDF Curves Report TA
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Development of Projected Intensity-
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Storm Duration Development of Proje
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1979 1983 1987 1991 1995 1999 2003
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Mean Annual Total Precipoitation, m
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Storm Duration Storm Duration Devel
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Storm Duration Storm Duration Storm
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Codroy Valley Watershed Topography
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Parson's Pond Watershed Topography
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Rushoon Watershed: Topography Eleva
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Eastern Watersheds, East Topography
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Eastern 54°0'0"Watersheds, West To
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Central Watersheds, 57°0'0"W East
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Central 58°0'0"W and Western Water
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Badger and Rushy 58°0'0"W Pond Wat
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Cox's Cove Watershed: Land Cover 58
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Ferryland Watershed Land Cover 60°
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49°0'0"N Glenwood-Appleton 56°0'0
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Parson's Pond Watershed: Land Cover
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Rushy Pond Watershed: 57°0'0"WLand
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Stephenville Crossing Watershed: La
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Whitbourne and Brigus Watersheds: L
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Eastern Watersheds 2: Land Cover Ha
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Eastern Watersheds, East: Land Cove
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