smart sea level sensors · smart sea level sensors – chatham county. dr. kim cobb. director,...
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Smart Sea Level Sensors –Chatham County
Dr. Kim CobbDirector, Global Change ProgramGeorgia Power ChairEarth & Atmospheric Sciences
Dr. Russell ClarkSenior Research ScientistComputer Science
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https://www.chathamemergency.org/storm-surge-impact-by-category.php
Savannah
Coastal flooding – a current threat
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https://www.chathamemergency.org/storm-surge-impact-by-category.php
Port of Savannah
Coastal flooding – a current threat
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Coastal flooding – a current threatGlynn County
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Sea level rise – a growing threat
current rate of sea level rise = +3.2 mm/yr in 100yrs, +320mm (or 12”) minimum
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Ft. Pulaski - Georgia’s only NOAA tide gauge
local sea level has risen by +10” in 85yrs
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Ft. Pulaski - Georgia’s only NOAA tide gauge
local sea level has risen by +10” in 85yrsSweet et al., 2017https://nca2018.globalchange.gov/chapter/19/
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Ft. Pulaski – flooding more frequent
Sweet et al., 2017https://nca2018.globalchange.gov/chapter/19/
More extreme scenarios project+1300mm (+51”) of global sea levelrise by 2100.
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Jan 21, 2019
Jan 10, 2019
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Savannah,Nov 24, 2018
photo by Russ Clark
“Blue sky flooding”
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The challengebefore a flooding emergency. . .
flood risk depends on wind direction, runoff patterns
during. . .lack of real-time information canthwart emergency response
after. . . slow assessment of potentially compromised critical infrastructure
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http://sealevelsensors.org
Dr. Kim CobbDr. Russ ClarkDr. Emanuele Di LorenzoDr. David FrostLalith PolepeddiTim Cone (GT-Savannah)Jayma Koval
Randall MathewsDavid AndersonDennis Jones
Nick DeffleyDirector, SustainabilityTom McDonaldDavid Donnelly
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Project goalsemergency planning & response
real-time data portal & toolkits
short- and long-term risk assessmentand resilience planning
develop & test educational resourcesmiddle school & high school curricula
communication and building awarenesspublic events, installations, website
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8 sensors8 gateways
goal: 100sensors byAugust
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8 sensors8 gateways
goal: 100sensors byAugust
currently:sea level, air temperature
planned:seawater propertiesair qualityinland flooding
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gateway device:- roughly $1,500- 1 to 4 mile range- can serve hundreds of sensors- needs internet, power
goal:provide backbone for diverse IoT applications
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enefits of GT-designed sensor:gh precision (1mm)ng battery life (3-5yrs)expensive ($300)
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FROM THE OPEN OCEAN TO THE URBAN SCALE:
A MODELING SYSTEM FOR SAVANNAH CITY AND THE GEORGIA
Lead:Dr. Emanuele Di LorenzoDirector, Ocean Science & EngineeringEarth & Atmospheric Sciences
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Domain limits: Lon = [-81.55; -80.23] Lat = [31.08; 32.58]
adaptive, 10m gridsimulate tides, hurricanes,extreme weather
in process+ hydrology+ land model+ infrastructure [with David Frost & Iris Tuen (CEE)]
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Trial simulation:sea levelevery six hours
Targets: 1) sea level fore-casts in real-time
2) flood risk assess-ments under differentweather regimes,sea level rise scenarios
Fort Pulaski sea level, modelled versus observations
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Educational partnershipsJenkins High School – assembling sensorsOglethorpe Middle School – sea level curriculum development
by Jayma Koval (CEISMC) & Alex Robel (EAS)
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Community engagement- Brunswick workshop on sea level rise Jan 22, 300 attendees- 15+ stakeholder meetings thus far:
National Weather ServiceSkidaway Inst. of OceanographySavannah College of Art and DesignTybee Island Marine Science Center
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Looking ahead- join workshop livestream Jan 29, 9-10:30am- sign up for Smart Sea Level Sensor newsletter on website- get involved modeling? risk & resilience? equity?
data science? education? health applications?
How can we best serve coastal communities?