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#sealevels

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Nonilex

At #CapeHatteras National Seashore in #NorthCarolina, the #Trump admin is set to review, & possibly remove or alter, signs about how #ClimateChange is causing #SeaLevels to rise.

At #Independence National Historical Park in #Philadelphia, the admin will soon decide whether to take down exhibits on the brutality of #slavery.

And at Castillo de San Marcos National Monument in #Florida, Trump ofcls are scrutinizing language about the imprisonment of #NativeAmericans inside the Spanish fortress.

Benjamin Carr, Ph.D. 👨🏻‍💻🧬

Global #sealevels are rising faster and faster. It spells catastrophe for #coastal towns and cities
Though global #sealevel "varied little" for the 2,000 years before the 20th century, sea levels then "started rising and have not stopped since — and the pace is accelerating."
What #scientists are crystal clear about is the reason for #sealivelrise: human-caused #globalwarming.
cnn.com/2025/05/09/climate/sea
#climatechange #climatecrisis

CNN · Global sea levels are rising faster and faster. It spells catastrophe for coastal towns and citiesBy Laura Paddison
Benjamin Carr, Ph.D. 👨🏻‍💻🧬

Almost 40% of world’s #glaciers already doomed due to #climatecrisis caused by #emissions from #fossilfuels
The loss will soar to 75% if global heating reaches the 2.7C rise for which the world is currently on track. The massive loss of glaciers would push up #sealevels, endangering millions of people and driving mass migration, profoundly affecting the billions reliant on glaciers to regulate the water used to grow food, the researchers said.
theguardian.com/environment/20
#climate #climatechange

The Guardian · Almost 40% of world’s glaciers already doomed due to climate crisis – studyBy Damian Carrington
ResearchBuzz: Firehose

William & Mary: 2024 sea level ‘report cards’ map futures of U.S. coastal communities. “Encompassing 55 years of historical data, the report cards aid planning and adaptation efforts by analyzing rates of sea level rise and acceleration at each locality and forecasting 2050 water levels. This year, the report cards are consolidated in an interactive dashboard and add data from tide gauge […]

https://rbfirehose.com/2025/05/10/william-mary-2024-sea-level-report-cards-map-futures-of-u-s-coastal-communities/

#climatechange#coastalunitedstates#datadashboards
Continued thread
Nonilex

For example, for every 10 yrs #Earth’s temperature remains 1.5°C above preindustrial levels, the researchers calculated, sea level will rise by about 4 cm, or 1.6”. Even a small increase in #SeaLevelRise can lead to more dangerous #flooding when #hurricanes & heavy #rains strike. (In #Florida, which is currently facing the danger of Hurricane #Milton, #SeaLevels are already 8” higher than they were in 1950.)

#climate#ClimateCrisis#ClimateScience
Continued thread
Nonilex

But a new study published Wed in the journal #Nature shows that blowing past #climate goals is more dangerous than it originally seemed. Even if temperatures come back down to 1.5°C, the authors found, many climate impacts — like rising #SeaLevels & thawing #permafrost — will persist for centuries to millennia.

#ClimateCrisis #ClimateScience #GlobalWarming #ExtremeWeather #VoteBlue
nature.com/articles/s41586-024

NatureOverconfidence in climate overshoot - NatureAiming for declining global temperatures can limit long-term climate risks compared with a mere stabilization of global warming, including sea-level rise and cryosphere changes.
joe•iuculano :mastodon:

Via the #BBC @ 1:26am EDT on Sept 20, 2024

Coastal engineers are predicting very low #tides in the #UK later may be the lowest anyone will see again.
A low spring tide caused by the position of the #Moon and #Sun will create the "exceptionally" low tide, said #Exeter-based #MoffattAndNichol.
It said with sea levels rising, such a low tide may never be seen again.
It follows a 2022 report showing #SeaLevels are rising much faster than a century ago.

#Climate #Science

bbc.com/news/articles/cm24l6dn

www.bbc.comDevon engineers say lowest tide may never be seen againA low spring tide could be the lowest we will see again thanks to rising sea levels, experts say.
Lukas VFN 🇪🇺

Colossal underwater canyon discovered near seamount deep in the #Mediterranean Sea livescience.com/planet-earth/r

Discovery of the #Messinian Eratosthenes Canyon in the deep Levant Basin sciencedirect.com/science/arti

"around 6 million years ago... the #MediterraneanSea became isolated from the world's #oceans and dried up for roughly 700,000 years... As #SeaLevels dropped, increasingly salty currents eroded the #seabed... researchers now describe a giant U-shaped #canyon located 120 km south of #Cyprus"

CelloMom On Cars

"Researchers at Stanford have shown that the Wilkes Subglacial Basin in #EastAntarctica, which holds enough ice to raise global #SeaLevels by more than 10 feet, could be closer to runaway melting than anyone realized."

"This area has conditions that we could imagine changing," Schroeder said. "And if warm ocean water gets there, it's going to 'turn on' a whole sector of Antarctica we don't normally think about as a contributor to sea level rise."

phys.org/news/2024-02-stable-e

Phys.org · Currently stable parts of East Antarctica may be closer to melting than anyone has realizedBy Laura Castañón
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