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#sealevelrise

0 posts0 participants0 posts today
Public
Skeptical Science

We continue our collaboration with #Gigafact, another non-profit with a specialized mission: provide impoverished newsrooms with brief, plain language #ClimateMythDebunkings ready to drop into news coverage.

Here's the latest output, covering #SeaLevelRise.

Sea level is fairly easy fodder for creating confusion; the behavior of sea level varies broadly depending on where on our #geoid one measures. A noisy signal but with a clear broad trend.

skepticalscience.com/fact-brie

Skeptical Science and Gigfact collaborative explanation of sea level rise and how it is not exaggerated, contrary to claims of people purporting to be climate skeptics. Text: Is sea level rise exaggerated? No. Sea levels are rising at an accelerating rate, not stagnating or decreasing. Warming global temperatures cause land ice to melt and oceans to thermally expand, elevating sea levels. Since 1880, they’ve risen an estimated 8-9 inches (over 20 cm) based on historical data from coastal tide gauge stations. In the 1990s, scientists began using satellites to measure sea levels. Since 1993, the global average sea level has risen 4 inches (10 cm). These satellites send pulses to the ocean and measure the time it takes for the signal to return. Researchers account for factors like land height, resulting in highly accurate measurements with error margins of 1 millimeter. Short-term dips don’t contradict the overall rise, which is exceeding prior predictions. Sea level rise has already submerged islands and atolls in places like The Solomon Islands and The Marshall Islands, while coasts worldwide have experienced flooding, infrastructure damage, and land loss.
Public
Richard Ashwell

New Research Led by James Hansen Documents Global Warming Acceleration

The rapid meltdown of polar ice could shut down a key ocean current by 2050, triggering catastrophic surges of sea level rise along the U.S. East Coast and dangerous climate shifts in northwestern Europe.

insideclimatenews.org/news/040

Inside Climate News · New Research Led by James Hansen Documents Global Warming Acceleration - Inside Climate NewsThe rapid meltdown of polar ice could shut down a key ocean current by 2050, triggering catastrophic surges of sea level rise along the U.S. East Coast and dangerous climate shifts in northwestern Europe.
#climate#ClimateChange#GlobalWarming
Public
Benjamin Carr, Ph.D. 👨🏻‍💻🧬

#SeaLevel is Already Rising in #America's Southeast. A Preview of the Future?
"Some researchers think that the Southeast acceleration may be linked to long-term weather patterns in the Atlantic Ocean like the North Atlantic Oscillation.
"If so, the trend could switch in the coming decades -- with areas of the Northeast seeing rapid sea level rise while the trend in the Southeast slows down."
msn.com/en-us/science/environm #SeaLevelRise #ClimateChange

www.msn.comMSN
Public
Lukas VFN 🇪🇺

A #Seychelles Shoreline Resists the Rising Seas eos.org/articles/a-seychelles-

"#Mangroves on the atoll were harvested until it became a protected site in the 1970s. Since then, the shoreline of one of the atoll’s islands, Picard, has accreted up to 161m as flourishing #MangroveForests trap and retain sediment... #Aldabra’s resilience to #SeaLevelRise is likely linked to its high protection status"

aerial photo of a tropical island
Public
Eric Bender

It's red, plastic, and snaps together: Provincetown's new flood barrier

mainepublic.org/2025-01-07/its

"In less than a half -hour, the crew was able to assemble a 150-foot-wide, water-tight wall and weigh it down with heavy sandbags. The idea was to direct storm water away from a few dozen historic homes... In a world of no perfect answers, Provincetown is experimenting with ways to try to help the people who live here, stay here."

Four men, in bright yellow jackets or shirts, work to put together a red plastic flood barrier, on a cloudy day. This is Provincetown Department of Public Works staff figuring out how to interlock the pieces of a small portable flood barrier. Photo by Eve Zuckoff.
#climatechange#climatecrisis#sealevelrise
Public
Eric Bender

Just saw this remarkable quote:

“We cannot change the fact that in Florida we have hurricanes, so we shouldn’t be penalized for it. This is why we have the federal government.”
--Orlando Diaz, president of the Florida Association of Mortgage Professionals

!

from:

Mortgage Regulators Are Shrugging Off Climate Risk. It Could Cost Taxpayers Billions.

nytimes.com/2024/12/07/busines (shared, I hope)

A wrecked two-story building with walls ripped off or heavily damaged. This was damage remaining from Hurricane Ian in Fort Myers Beach, Florida, several months after the storm hit in the fall of 2022. By Scott McIntyre for the New York Times.
#climatechange#climatecrisis#hurricane
Public
Donald R Noble

This is worrying…
"Antarctica is in crisis and we are scrambling to understand its future
The last two years have seen unprecedented falls in the levels of sea ice around Antarctica, which serves as a protective wall for the continent's huge ice sheets. Researchers are now racing to understand the global impact of what could happen next."

#science #climate #antarctica #SeaLevelRise
newscientist.com/article/24582 (may be paywalled)

New Scientist · Antarctica is in crisis and we are scrambling to understand its futureBy James Woodford
Public
CelloMom On Cars

The trillion-dollar hidden threat from climate change: rising #groundwater

"Up to 70% of residents between #NorthCarolina and #Florida, and a trillion dollars in property, could be impacted by the end of the century with just over three feet of #SeaLevelRise. South Florida represents the vast majority of that risk, with about 7 million people and $750 billion dollars in property expected to face increasing risks as groundwaters rise, the study found."

kbindependent.org/2024/11/30/t

Key Biscayne Independent · The trillion-dollar hidden threat from climate change: rising groundwater - Key Biscayne IndependentShare articleAs climate change pushes seas to rise ever higher, shallow groundwater could become a more costly hazard across the Atlantic coast, particularly in South Florida where the water table sits just feet below the surface, according to a new study from the U.S. Geological Survey. Up to 70% of residents between North Carolina and Florida, and […]
Public
Mojo ♻️

Over 450 researchers gathered in Hobart last week for the inaugural Australian Antarctic Research Conference—the first in over a decade.

Early career researchers issued a stark warning: urgent action is needed to prevent catastrophic #sealevel rise globally.

The message is clear: cutting greenhouse gas emissions is critical to slowing and mitigating the impacts of #climatechange. #ClimateAction #Antarctica #SeaLevelRise

abc.net.au/news/2024-11-22/res

ABC News · Antarctic researchers warn of possible 'catastrophic' sea level rise within our lifetime in group statementBy Jano Gibson
Public
John Englart

"Runaway ice loss causing rapid and catastrophic sea-level rise is possible within our lifetimes. Whether such irreversible tipping points have already passed is unknown."

"Our societies must set and meet targets to ‘bend the carbon curve’ as quickly as possible. Failure to rapidly reduce emissions — every year and every tonne — commits actual and future generations to greater sea-level rise. "

Emergency statement by Early career Polar Scientists meeting in Hobart.
#ClimateDiary #ClimateCrisis #Antarctica #SeaLevelRise

aappartnership.org.au/next-gen

Public
💧🌏 Greg Cocks

NASA Satellites Reveal Abrupt Drop In Global Freshwater Levels | An Abrupt Decline in Global Terrestrial Water Storage and Its Relationship with Sea Level Change
--
phys.org/news/2024-11-nasa-sat <-- shared technical article
--
doi.org/10.1007/s10712-024-098 <-- shared paper
--
unesco.org/reports/wwdr/en/202 <-- shared UN report on water stress
--
#GIS #spatial #mapping #remotesensing #satellite #NASA #GRACE #ERA5 #water #waterresources #climatechange #sealevel #sealevelrise #SLR #waterresources #global #freshwater #watermanagement #arid #terrestrial #mascons #TWS #terrestialwaterstorage #surfacewater #groundwater #aquifers #spatialanalysis #model #modeling #spatiotemporal #drought #wateruse #watersecurity #agriculture #irrigation #hydrology #publichealth #risk #hazard #naturalresources #waterquality #gravity

a Time series of near-global (60° S–70° N) mean SST anomalies, Niño 3.4 (black), the Pacific Decadal Oscillation (PDO) index with 1-year smoothing (blue), and a North Atlantic tripole index (brown). Negative PDO corresponds to anomalous positive SSTs in the central N. Pacific. b Near-global ERA5 SST trend, 1980–2022, °C/yr. c Correlation between the Niño 3.4 index and GRACE/FO d(TWS)/dt, the latter lagged 2 months with 4-month smoothing applied. d Correlation between the PDO index and GRACE/FO TWS, 3-month smoothing applied
Map of mascons in which the GRACE/FO era minimum terrestrial water storage occurred after the start of 2015, color coded for the year of that minimum. The time series plotted in Fig. 2 is averaged over the South American region delineated in red
Comparison of ERA5-Land, GRACE/FO, and complementary observations: a deseasonalized time series of global land average (60S-70N) TWS anomalies (mm) from GRACE/FO, ERA5-Land, and ERA5 vertically integrated moisture flux convergence, b ERA5-Land precipitation (P), evapotranspiration (ET), and runoff (RO), c same as b but for GPCP P, GLEAM ET and G-RUN RO. Units in b and c are mm d−1, d 2003–2022 trend in ERA5-Land P-ET, e Same as d but for GPCP v3.2 P—GLEAM 3.6a ET. Units in d and e are mm d−1/yr. All anomalies are relative to the 2003–2022 monthly resolved climatological mean
TWS trends (mm/yr) over the period 2003–2022 in a GRACE/FO and b ERA5-Land; and c correlations of monthly TWS anomalies between GRACE/FO and ERA5-Land. Ice sheets and areas of significant glacial extent have been masked
Public
Linda Gass

Need an escape from this week’s events? Come to my #openstudio this Saturday, November 9th 11 am – 5 pm. 30 artists will have their studios open for a day filled with #art, creativity, warmth, and glimpses behind-the-scenes. New #sealevelrise artwork and matted prints of beaver and salmon for sale.

My studio is located at 1068 The Alameda in #SanJose (behind the Recycle Bookstore), Studio 15. Feel free to bring friends and family (including 4-legged members) — everyone is welcome!

4 images of artwork being shown at my Fall Open Studio on November 9, 11am-5pm
Public *
Miss Gayle

Hmmm, guess I'll have to strike Boston off my list of places I'd like to move to...

Greenland ice sheet’s last meltdown and a glimpse into a warmer future, by Paul Bierman, Halley Mastro, originally published by The Conversation August 6, 2024

resilience.org/stories/2024-08

#IceSheets
#Greenland
#CoastalCities
#ClimateCrisis
#SeaLevelRise

Hmmm, guess I'll have to strike Boston off my list of places I'd like to move to... Greenland ice sheet’s last meltdown and a glimpse into a warmer future, by Paul Bierman, Halley Mastro, originally published by The Conversation August 6, 2024 https://www.resilience.org/stories/2024-08-06/ancient-poppy-seeds-and-willow-wood-offer-clues-to-the-greenland-ice-sheets-last-meltdown-and-a-glimpse-into-a-warmer-future/ "...Our discoveries, published on Aug. 5, 2024, in the Proceedings of the National Academy of Sciences, demonstrate that Greenland’s ice is vulnerable to melting at atmospheric carbon dioxide concentrations lower than today. ...When Greenland’s ice is gone, world geography changes – and that’s a problem for humanity. As the ice sheet melts, sea level will eventually rise more than 23 feet, and coastal cities will flood. Most of Miami will be underwater, and so will much of Boston, New York, Mumbai and Jakarta..."
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