Preparing For The Rising Tide Designing with Water Preparing For - - PowerPoint PPT Presentation

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Preparing For The Rising Tide Designing with Water Preparing For - - PowerPoint PPT Presentation

Preparing For The Rising Tide Designing with Water Preparing For The Rising Tide Published February 2013 Maps Bostons vulnerability to coastal flooding Encourages property owners in today and tomorrows flood zone to know


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Preparing For The Rising Tide Designing with Water

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Preparing For The Rising Tide

  • Published February 2013
  • Maps Boston’s vulnerability to

coastal flooding

  • Encourages property owners in

today and tomorrow’s flood zone to know and decrease their risks

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Designing with Water

  • Describes Dutch innovative

resilient design

  • Provides design principles and

case studies of beautiful flood control strategies relevant to Boston

  • Both available for free at

www.tbha.org

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Superstorm Sandy

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Rt.12 Outer Banks

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Photo: Reuters

Casino Pier, Seaside Heights

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Lower Manhattan

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Breezy Point

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Boston’s Waterfront, October 29, 2012

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Why Coastal Flooding Happens

  • Storm surges and/or
  • “Wicked high tides” during full

& new moons and/or

  • Sea level rise
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Boston New York

Storm Surges

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Boston New York

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2 4 6 8 10 12 100 500 1000 Storm Surge (feet) Probability of Storm Surge (years)

100-, 500- and 1,000-year Surges New York City + Boston Harbor

New York City Boston Harbor

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Tides

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  • Used range of “likely” to

“possible” estimated sea level rise for planning

  • 2050: 1-2 ft. increase
  • 2100: 3-6 ft. increase
  • Estimates keep going up,

not down.

Sea Level Rise

(US NCA, 2013) Source: US National Climate Assessment, 2013

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Today’s High Tide + 2.5 ft.

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Could flood nearly 7% of Boston Current 100-Year Flood Annual Flood by 2050 Daily High Tide by 2100

Today’s High Tide + 5.0 ft.

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Today’s High Tide + 5.0 ft.

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What Floods at High Tide+5?

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Could Flood Over 30%

  • f Boston

100-Year Flood around 2050 Annual Flood by 2100

Today’s High Tide + 7.5 ft.

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What Floods at High Tide + 7.5?

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Boston Living With Water Design Competition

  • Launched October 29th at the

ABX conference after free design charrette.

  • Seeks Living with Water design

solutions for three real sites in Boston.

  • Cosponsored by City, BRA, BSA

and TBHA.

  • www.BostonLivingwithWater.org
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Summary of Findings

  • Today’s 100-year flood could

be 2050’s annual flood and 2100’s high tide.

  • Boston will be different. It

doesn’t have to be worse.

  • Preventing flood damage will

cost money. Make it count by solving other problems at the same time.

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Thank You

www.tbha.org jwormser@tbha.org 617-482-1722 x102