Sea Level Rise - US

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This working group is focused on discussions about sea level rise.

The purpose of this working group is to discuss what is causing the rise in sea level, how to reduce the rate at which the seas are rising, and how to mitigate the impact that sea level rise is having and will have on our coastal communities.

Members

Kathy Gilbeaux mdmcdonald MDMcDonald_me_com

Email address for group

sea-level-rise-us@m.resiliencesystem.org

Sea Levels May Rise Much Faster Than Previously Predicted, Swamping Coastal Cities Such as Shanghai, Study Finds

           

Icebergs off coast of Greenland. - Credit: Kertu / Adobe Stock

CLICK HERE - STUDY - PNAS - Ice sheet contributions to future sea-level rise from structured expert judgment

cnn.com - by Sareena Dayaram - May 21, 2019

Global sea levels could rise more than two meters (6.6 feet) by the end of this century if emissions continue unchecked, swamping major cities such as New York and Shanghai and displacing up to 187 million people, a new study warns.

The study, which was released Monday, says sea levels may rise much faster than previously estimated due to the accelerating melting of ice sheets in both Greenland and Antarctica.

The international researchers predict that in the worst case scenario under which global temperatures increase by 5 degrees Celsius (9 degrees Fahrenheit) by 2100, sea levels could rise by more than two meters (6.6 feet) in the same period -- double the upper limit outlined by the UN climate science panel's last major report.

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National Storm Surge Hazard Maps

https://noaa.maps.arcgis.com/apps/MapSeries/index.html?appid=d9ed7904dbec441a9c4dd7b277935fad&entry=1

This national depiction of storm surge flooding vulnerability helps people living in hurricane-prone coastal areas along the U.S. East and Gulf Coasts, Puerto Rico, U.S. Virgin Islands (USVI), Hawaii, and Hispaniola to evaluate their risk to the storm surge hazard. These maps make it clear that storm surge is not just a beachfront problem, with the risk of storm surge extending many miles inland from the immediate coastline in some areas. If you discover via these maps that you live in an area vulnerable to storm surge, find out today if you live in a hurricane storm surge evacuation zone as prescribed by your local emergency management agency. If you do live in such an evacuation zone, decide today where you will go and how you will get there, if and when you're instructed by your emergency manager to evacuate. If you don't live in one of those evacuation zones, then perhaps you can identify someone you care about who does live in an evacuation zone, and you could plan in advance to be their inland evacuation destination – if you live in a structure that is safe from the wind and outside of flood-prone areas.

National Hurricane Center - National Storm Surge Hazard Maps - Version 2
https://www.nhc.noaa.gov/nationalsurge/

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Underwater: Rising Seas, Chronic Floods, and the Implications for US Coastal Real Estate (2018)


CLICK HERE - STUDY - Union of Concerned Scientists - Underwater - Rising Seas, Chronic Floods, and the Implications for US Coastal Real Estate (28 page .PDF document)

ucsusa.org - June 2018

Sea levels are rising. Tides are inching higher. High-tide floods are becoming more frequent and reaching farther inland. And hundreds of US coastal communities will soon face chronic, disruptive flooding that directly affects people's homes, lives, and properties.

Yet property values in most coastal real estate markets do not currently reflect this risk. And most homeowners, communities, and investors are not aware of the financial losses they may soon face.

This analysis looks at what's at risk for US coastal real estate from sea level rise—and the challenges and choices we face now and in the decades to come.

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Greenland is Melting Even Faster Than Experts Thought, Study Finds

           

CLICK HERE - STUDY - PNAS - Forty-six years of Greenland Ice Sheet mass balance from 1972 to 2018

cnn.com - by Jen Christensen - April 23, 2019

Climate change is eliminating giant chunks of ice from Greenland at such a speed that the melt has already made a significant contribution to sea level rise, according to a new study. With global warming, the island will lose much more, threatening coastal cities around the world.

Forty percent to 50% of the planet's population is in cities that are vulnerable to sea rise, and the study published Monday in the Proceedings of the National Academy of Sciences is bad news for places like New York, Miami, Los Angeles, Tokyo and Mumbai.

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CLICK HERE - NASA - GRACE-FO - Greenland Ice Loss 2002-2016

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Project to Raise Homes, Move Families in Southwest Coastal Louisiana Moves Forward

           

Carlos Ortega, a worker with Clesi Foundations, moves support wood at a house being raised in Harvey in August 2011. (Photo by Susan Poag, The Times-Picayune archive)

nola.com - by Sara Sneath - March 11, 2019

A study to determine which homes in Southwest Coastal Louisiana will qualify for voluntary relocation or elevation recently received funding after much back-and-forth between parish officials and the U.S. Army Corps of Engineers.

While financing for the study only accounts for a small chunk of the overall project, it represents the first time a non-structural project within the state’s coastal master plan has been given funding, said Coastal Protection and Restoration Authority of Louisiana Board Chairman Chip Kline. Flood proofing businesses, home elevations and voluntary home acquisitions are all considered non-structural measures. The most recent version of the 50-year plan estimates 26,569 homes and businesses across Louisiana will be eligible for help, at a cost of more than $6 billion.

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Study of Antarctic Sea Ice Collapse Warns of Potential 10-Foot Sea Rise

           

PACK ICE MELTING IN SPRING IN ANTARCTICA'S WEDDEL SEA. CREDIT: PLANET OBSERVER/UNIVERSAL IMAGES GROUP VIA GETTY IMAGES

The faster the ocean warms, the faster key Antarctic glaciers will disintegrate.

CLICK HERE - STUDY - Four decades of Antarctic Ice Sheet mass balance from 1979–2017

thinkprogress.org - by Joe Romm - January 15, 2019

A stunning new study on Antarctic sea ice collapse greatly raises the risk of a 10-foot sea level rise this century if President Donald Trump’s climate policies aren’t quickly reversed.

Warming ocean waters drove a 6-fold increase in annual ice mass loss from the Antarctic ice sheet between 1979 and 2017, according to a new study in the Proceedings of the National Academy of Sciences.

It’s been known for a while that the West Antarctic Ice Sheet (WAIS) was unstable and collapsing at an accelerating rate due to global warming. But the new study finds that parts of the vastly larger East Antarctic Ice Sheet (EAIS) are also disintegrating.

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Portrait of a Planet on the Verge of Climate Catastrophe

           

How South Beach, Miami, could look if temperatures rise by 2C. Photograph: Nickolay Lamm/Courtesy of Climate Central/sealevel.climatecentral.org

As the UN sits down for its annual climate conference this week, many experts believe we have passed the point of no return

theguardian.com - by Robin McKie - December 2, 2018

On Sunday morning hundreds of politicians, government officials and scientists will gather in the grandeur of the International Congress Centre in Katowice, Poland . . . For 24 years the annual UN climate conference has served up a reliable diet of rhetoric, backroom talks and dramatic last-minute deals aimed at halting global warming . . .

. . . As recent reports have made clear, the world may no longer be hovering at the edge of destruction but has probably staggered beyond a crucial point of no return. Climate catastrophe is now looking inevitable.

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6 Years Ago, North Carolina Chose To Ignore Rising Sea Levels. This Week It Braces For Disaster.

           

Confronted with Hurricane Florence, North Carolina prepares for a state of emergency.

huffingtonpost.com - by Jenavieve Hatch - September 11, 2018

In 2012, North Carolina legislators passed a bill that barred policymakers and developers from using up-to-date climate science to plan for rising sea levels on the state’s coast. Now Hurricane Florence threatens to cause a devastating storm surge that could put thousands of lives in danger and cost the state billions of dollars worth of damage.

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CLICK HERE - North Carolina General Assembly - House Bill 819

CLICK HERE - North Carolina Sea-Level Rise Assessment Report - March 2010

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A Radical New Scheme to Prevent Catastrophic Sea-Level Rise

           

A Princeton glaciologist says a set of mega-engineering projects may be able to stabilize the world’s most dangerous glaciers.

CLICK HERE - West Antarctic Ice Sheet Collapse – The Fall and Rise of a Paradigm

theatlantic.com - by Robinson Meyer - January 11, 2018

 . . . What if scientists could prevent one catastrophic symptom of climate change—a rapid rise in global sea level, for instance—without messing again with the weather?

Michael Wolovick, a glaciology postdoc at Princeton University, believes it may be possible.

For the past two years, Wolovick has studied whether a set of targeted geo-engineering projects could hold off the worst sea-level rise for centuries, giving people time to adapt to climate change and possibly reverse it.

(CLICK HERE - READ COMPLETE ARTICLE)

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Florida Tops U.S. List for Risk in Climate Change Study

           

Two weeks after a king tide flooded parts of Miami-Dade, Broward and Monroe counties, a heavy rain flooded this Miami neighborhood near Coral Way and Southwest 23rd Street on Oct. 6. Jenny Staletovich Miami Herald Staff

Florida has more to lose with sea rise than anywhere else in the U.S., new study says

CLICK HERE - STUDY - Union of Concerned Scientists - Underwater - Rising Seas, Chronic Floods, and the Implications for US Coastal Real Estate (28 page .PDF document)

miamiherald.com - by Alex Harris - June 18, 2018

Florida stands to lose more homes — and real estate value — to sea level rise damage than any other state in the nation this century, according to a new study.

By 2045, nearly 64,000 homes in Florida face flooding every other day. Half of those are in South Florida.

If you buy a house now, before your new mortgage is paid you might have to regularly do the rolled-up-pants, shoes-in-hand commute that has become an enduring image of sea rise.

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