Impacts of Sea Level Rise in Hawaii Dr. Chip Fletcher Associate - - PowerPoint PPT Presentation

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Impacts of Sea Level Rise in Hawaii Dr. Chip Fletcher Associate - - PowerPoint PPT Presentation

Nov 18, 2022 455 likes •729 views

Impacts of Sea Level Rise in Hawaii Dr. Chip Fletcher Associate Dean for Academic Affairs, Professor of Geology and Geophysics 4.4 mm/yr (2010-2015) 3.4 mm/yr (1993-2015) 1.2 mm/yr (1930-1992) 0.6 mm/yr (1900-1930) 1.2 mm/yr Hansen

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Impacts of Sea Level Rise in Hawai’i

  • Dr. Chip Fletcher

Associate Dean for Academic Affairs, Professor of Geology and Geophysics

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SLIDE 2

1.2 mm/yr 4.4 mm/yr (2010-2015)

Hansen et al., 2015; Church and White, 2011; Nerem et al., 2010; Hay et al., 2015; Yi et al., 2015; Watson, GRL, 2016

0.6 mm/yr (1900-1930) 1.2 mm/yr (1930-1992) 3.4 mm/yr (1993-2015)

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Greenland and Antarctica are both losing ice very rapidly

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Greenland is melting

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West Antarctica is collapsing

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Marine and Groundwater Inundation

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Waikiki storm drains back up at high tide.

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Intersection of Kalakaua Ave & Kapiolani Blvd

Highest tide

  • f the month,

Water table is 2 ft below the ground

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SLIDE 9

Rainfall at high tide causes flooding

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Rainfall at high tide causes flooding

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SLIDE 11

High Wave Flooding

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Coastal Erosion

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Hawai‘i Climate Adaptation Initiative

(Act 83, 2014)

  • Establishes an Interagency Climate Adaptation Committee (ICAC)
  • Initial focus is to develop a Sea Level Rise Vulnerability and

Adaptation Report (due Dec., 2017)

  • Develop a statewide Climate Adaptation Plan

“Climate change is the paramount challenge

  • f this century.”

State of Hawaii, Office of Planning

Governor Neil Abercrombie

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SLIDE 14

Hawaiʻi Interagency Committee on Climate Adaptation

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  • Dr. Tiffany

Anderson

  • bn. Kauai
  • BS UH Hilo, Mathematics
  • PhD UH Manoa, Geology and

Geophysics

  • Researcher (R faculty),

Department Geology and Geophysics

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SLIDE 16

Shellie Habel

  • BS UH Manoa, Geology and

Geophysics

  • MS UH Manoa, Geology and

Geophysics

  • PhD student, Geology and

Geophysics

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SLIDE 17

Haunani Kane

  • Kamehameha Schools
  • BS UH Manoa, Global

Environmental Science

  • MS UH Manoa, Geology and

Geophysics

  • PhD candidate, Geology and

Geophysics

  • Apprentice navigator

Hōkūleʻa

  • Science coordinator for the

Mālama Honua Worldwide Voyage

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SLIDE 18

Alisha Summers

  • bn. Maui
  • BS candidate UH Manoa,

Global Environmental Science

  • Senior thesis, Geology and

Geophysics

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Kristian McDonald

  • Kamehameha Schools
  • BA candidate UH Manoa,

Natural Resource Environmental Management

  • Research Intern, Geology and

Geophysics

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SLIDE 20

Ewa 2100

Annual wave inundation in the year 2100 Coastal erosion in the year 2100 Groundwater and storm drain flooding in the year 2100

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Waikiki 2100

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Punaluu 2100

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Haleiwa 2100

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Mokuleia 2100

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“If you wage war with water, you will lose.”

http://www.soest.hawaii.edu/coasts/sealevel/Oahu2100.mp4

Yield and elevate