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

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Flood # Storm # General Location Start Year Start Month Start Day Start Time End Year End Month End Day End Time Duration (days) Season Region LGP# Community Name Water Bodies Type of Event Rainfall Amount Snowfall amount Sea Height Jam Height Damage Estimate by Community (if known) Damage Estimate by Storm (once per storm) DFAA Damage Report DFAA Damage Report (once per storm) Homes Flooded People Displaced Attachment Number Data Added By Flood Inventory Database 1950 - Present 404 217 Burin Peninsula 2005 3 30 2005 3 31 2 Spring Eastern 430 Black Duck Cove Rainfall 620 $1,340,476 405 218 St. John's 2005 4 12 2005 4 12 1 Spring Eastern 4400 St. John's Quidi Vidi Lake Rainfall 69 Description Source MR: Heavy rainfall. Up to 200 mm of rain in 36 hr. Env. Can estimated 140 mm to 160 mm of rain. Burin Peninsula. Estimated damages of $100,000. Roads washed out, eroded road shoulders and driveways. Grand Bank reports 10 – 12 flooded basements. Multiple 217 WRMD Heavy rainfall. 69 mm of rain. St. John's. Curb lanes were under 1 ft of water in places, and lowlying areas were flooded. Quidi Vidi Lake overflowed it's banks due to malfunctioned flood control gate. Roads closed near Health Sciences Center. CBC Website, The Telegram , emails 218 WRMD 406 219 Corner Brook 2005 8 11 2005 8 12 1 Summer Western 1200 Corner Brook Rainfall 45 Street Damage and Private Properties damaged. The Telegram 219 WRMD 407 220 Stephenville Area 2005 9 27 2005 9 28 2 Fall Western 4945 Stephenville Blanche Brook Rainfall 151.4 $10,000,000 $10,000,000 $28,283,786 $28,283,786 152 271 408 220 Stephenville Area 2005 9 27 2005 9 28 2 Fall Western 1750 Gallants Rainfall $28,283,786 409 220 Stephenville Area 2005 9 27 2005 9 28 2 Fall Western 1114 Cold Brook Rainfall $28,283,786 410 220 Stephenville Area 2005 9 27 2005 9 28 2 Fall Western 3485 Noel's Pond Rainfall $28,283,786 411 220 Stephenville Area 2005 9 27 2005 9 28 2 Fall Western 4245 Rocky Harbour Warm Creek Rainfall 113.8 $28,283,786 Heavy rainfall. 151.4 mm of rain in Stephenville. Stephenville area, affecting 12 communities ~100 km apart. Greater than 1:100 year flood & 1:100 year 12 hour rainfall in Stephenville. EFO declared a State of Emergency in Stephenville & Reidville. 76 homes flooded & 181 people evacuated in Stephenville; 2 bridge washouts and several water main breaks in Stephenville. 90 people evacuated in Reidville. The Western Star 220 WRMD Heavy rainfall. 151.4 mm of rain in Stephenville. Stephenville area, affecting 12 communities ~100 km apart. Greater than 1:100 year flood & 1:100 year 12 hour rainfall in Stephenville. EFO declared a State of Emergency in Stephenville & Reidville. 76 homes flooded & 181 people evacuated in Stephenville; 2 bridge washouts and several water main breaks in Stephenville. 90 people evacuated in Reidville. Multiple 220 WRMD Heavy rainfall. 151.4 mm of rain in Stephenville. Stephenville area, affecting 12 communities ~100 km apart. Greater than 1:100 year flood & 1:100 year 12 hour rainfall in Stephenville. EFO declared a State of Emergency in Stephenville & Reidville. 76 homes flooded & 181 people evacuated in Stephenville; 2 bridge washouts and several water main breaks in Stephenville. 90 people evacuated in Reidville. Multiple 220 WRMD Heavy rainfall. 151.4 mm of rain in Stephenville. Stephenville area, affecting 12 communities ~100 km apart. Greater than 1:100 year flood & 1:100 year 12 hour rainfall in Stephenville. EFO declared a State of Emergency in Stephenville & Reidville. 76 homes flooded & 181 people evacuated in Stephenville; 2 bridge washouts and several water main breaks in Stephenville. 90 people evacuated in Reidville. Multiple 220 WRMD Heavy rainfall. 151.4 mm of rain in Stephenville. Stephenville area, affecting 12 communities ~100 km apart. Greater than 1:100 year flood & 1:100 year 12 hour rainfall in Stephenville. EFO declared a State of Emergency in Stephenville & Reidville. 76 homes flooded & 181 people evacuated in Stephenville; 2 bridge washouts and several water main breaks in Stephenville. 90 people evacuated in Reidville. Multiple 220 WRMD 412 220 Stephenville Area 2005 9 27 2005 9 28 2 Fall Western 420 Black Duck Siding Rainfall $28,283,786 Heavy rainfall. 151.4 mm of rain in Stephenville. Stephenville area, affecting 12 communities ~100 km apart. Greater than 1:100 year flood & 1:100 year 12 hour rainfall in Stephenville. EFO declared a State of Emergency in Stephenville & Reidville. 76 homes flooded & 181 people evacuated in Stephenville; 2 bridge washouts and several water main breaks in Stephenville. 90 people evacuated in Reidville. Multiple 220 WRMD Page 30
Flood # Storm # General Location Start Year Start Month Start Day Start Time End Year End Month End Day End Time Duration (days) Season Region LGP# Community Name Water Bodies Type of Event Rainfall Amount Snowfall amount Sea Height Jam Height Damage Estimate by Community (if known) Damage Estimate by Storm (once per storm) DFAA Damage Report DFAA Damage Report (once per storm) Homes Flooded People Displaced Attachment Number Data Added By Flood Inventory Database 1950 - Present Description Source 413 220 Stephenville Area 2005 9 27 2005 9 28 2 Fall Western 4065 Pynn's Brook Rainfall $28,283,786 414 220 Stephenville Area 2005 9 27 2005 9 28 2 Fall Western 4172 Reidville Rainfall $28,283,786 415 220 Stephenville Area 2005 9 27 2005 9 28 2 Fall Western 2615 Kippens Rainfall $28,283,786 416 220 Stephenville Area 2005 9 27 2005 9 28 2 Fall Western 1380 Deer Lake Rainfall 65.6 $28,283,786 417 220 Stephenville Area 2005 9 27 2005 9 28 2 Fall Western 1200 Corner Brook Rainfall 61.4 $28,283,786 418 221 St. John's 2005 10 16 2005 10 16 1 Fall Eastern 4400 St. John's (Kilbride) Rainfall 60.4 419 222 Burin Peninsula 2005 12 12 2005 12 12 1 Fall Eastern 3285 Monkstown Rainfall 50 420 222 Burin Peninsula 2005 12 12 2005 12 12 1 Fall Eastern 260 Bay L'Argent Rainfall Heavy rainfall. 151.4 mm of rain in Stephenville. Stephenville area, affecting 12 communities ~100 km apart. Greater than 1:100 year flood & 1:100 year 12 hour rainfall in Stephenville. EFO declared a State of Emergency in Stephenville & Reidville. 76 homes flooded & 181 people evacuated in Stephenville; 2 bridge washouts and several water main breaks in Stephenville. 90 people evacuated in Reidville. Multiple 220 WRMD Heavy rainfall. 151.4 mm of rain in Stephenville. Stephenville area, affecting 12 communities ~100 km apart. Greater than 1:100 year flood & 1:100 year 12 hour rainfall in Stephenville. EFO declared a State of Emergency in Stephenville & Reidville. 76 homes flooded & 181 people evacuated in Stephenville; 2 bridge washouts and several water main breaks in Stephenville. 90 people evacuated in Reidville. Multiple 220 WRMD Heavy rainfall. 151.4 mm of rain in Stephenville. Stephenville area, affecting 12 communities ~100 km apart. Greater than 1:100 year flood & 1:100 year 12 hour rainfall in Stephenville. EFO declared a State of Emergency in Stephenville & Reidville. 76 homes flooded & 181 people evacuated in Stephenville; 2 bridge washouts and several water main breaks in Stephenville. 90 people evacuated in Reidville. Multiple 220 WRMD Heavy rainfall. 151.4 mm of rain in Stephenville. Stephenville area, affecting 12 communities ~100 km apart. Greater than 1:100 year flood & 1:100 year 12 hour rainfall in Stephenville. EFO declared a State of Emergency in Stephenville & Reidville. 76 homes flooded & 181 people evacuated in Stephenville; 2 bridge washouts and several water main breaks in Stephenville. 90 people evacuated in Reidville. Multiple 220 WRMD Heavy rainfall. 151.4 mm of rain in Stephenville. Stephenville area, affecting 12 communities ~100 km apart. Greater than 1:100 year flood & 1:100 year 12 hour rainfall in Stephenville. EFO declared a State of Emergency in Stephenville & Reidville. 76 homes flooded & 181 people evacuated in Stephenville; 2 bridge washouts and several water main breaks in Stephenville. 90 people evacuated in Reidville. Multiple 220 WRMD Heavy rainfall. 60.4 mm of rain. Flooding on roads in the Goulds and Kilbride area of St. John's on Sunday, Oct. 17, 2005. No major damage was reported. Heavy rainfall. 50 mm of rain. Burin Peninsula. Several roads eroded & washed out. Peak flow at Rattle Brook near Boat Harbour was 50.7 m^3/s where Q5 = 49.0 m^3/s and Q10 = 58.0 m^3/s. Heavy rainfall. 50 mm of rain. Burin Peninsula. Several roads eroded & washed out. Peak flow at Rattle Brook near Boat Harbour was 50.7 m^3/s where Q5 = 49.0 m^3/s and Q10 = 58.0 m^3/s. Environment Canada, The Telegram 221 WRMD VOCM, Environment Canada, Emails 222 WRMD VOCM, Environment Canada, Emails 222 WRMD 421 222 Burin Peninsula 2005 12 12 2005 12 12 1 Fall Eastern 2150 422 223 Burin 2005 N/A N/A 2005 N/A N/A N/A Spring Eastern 725 Burin Harbour Mille- Little Harbour East Riverhead Brook Rainfall Rainfall Heavy rainfall. 50 mm of rain. Burin Peninsula. Several roads eroded & washed out. Peak flow at Rattle Brook near Boat Harbour was 50.7 m^3/s where Q5 = 49.0 m^3/s and Q10 = 58.0 m^3/s. VOCM, Environment Canada, Emails 222 WRMD Road leading to Taylors Bay was flooded, 400m of highway submerged. Source not recorded No WRMD 423 224 Northern Peninsula 2006 1 17 2006 1 18 2 Winter Western 4095 Raleigh Atlantic Ocean Coastal Waves Coastal 426 227 Conception Bay 2006 2 1 2006 2 1 1 Winter Eastern 1060 Clarkes Beach Flooding 427 227 Conception Bay 2006 2 1 2006 2 1 1 Winter Eastern 5145 Trepassey Coastal Flooding 1 Storm surge. Raleigh. Cut off access to homes & dumped debris on the roads. The storm surge hammered the shoreline & roadways. CBC News 224, 300 WRMD Dept Natural Resources Captured by Department - unable to confirm. Website 227 WRMD MR: Roads washed out by coastal flooding. One home was flooded and the road to the community closed for a period of time. Dept Natural Resources Website 227 WRMD Page 31
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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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10 9 8 7 6 Total Number of Tropical
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One of the reasons for this increas
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Figure 3-19. Frequency of Named Sto
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Figure 3-21. Change in Mean Sea Lev
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The net long term sea level effect
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Southern Oscillation (ENSO). The AM
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middle of North America as it would
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e a higher incidence of tropical st
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extreme will be considered. Areas t
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Storms weaken rapidly once they mak
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Figure 3-27. Selected Hurricane and
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o o a Category 2 Hurricane making l
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o Because winter temperatures show
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Worst Case Scenarios This section
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5. A hurricane making landfall on t
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Standards Association 21 recommends
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WRMD has defined a preference for h
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The hydrographic network was used t
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4.1.8 Flood History Identification
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Watershed Slope The slope attribute
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such as number of flood events at a
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Deer Lake Placentia Codroy Steady B
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TA1112733 page 109
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5.2 Methods The methodology used fo
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Reported Event Damages Storm# Locat
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Given the reported damages resultin
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Figure 5-3. Storm tracks for select
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natural constrictions. The number a
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5.5.2 Community Exposure to Physica
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Community Number of Events 2011 Pop
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Community Access Notes Confinement
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Brook and Deer Lake are both locate
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Warning Systems 1. It is recommende
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source of flood vulnerabilities com
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Figure 6-2. Newfoundland Digital El
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communities ( Gillams, Hughes Brook
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Sub-region Precipitation Climate Ch
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Analysis of the socio-economic data
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East-2 Coastal communities line nea
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6.2.2 Potential Strategies Table 6-
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6.3 Mitigation Recommendations Base
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Table 6-5 presents the range of ave
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West-3, West-4, and Central-3 These
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Mitigation Strategy Cost to Impleme
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Page 187 and 188: Music and Caya, 2007 Richter and Ba
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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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Page 199 and 200: FOX ISLAND RIVER-POINT GALLANTS GEO
Page 201 and 202: GEORGE'S BROOK-MILTON GOOBIES GRAND
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Page 205 and 206: Flood # Storm # General Location St
Page 233: Flood # Storm # General Location St
Page 253 and 254: 11. Appendix D IDF Curves Report TA
Page 255 and 256: Development of Projected Intensity-
Page 263 and 264: 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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Development of Projected Intensity-
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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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