Rising sea levels could swamp the US coastline by 2050, NASA predicts -
Nov 28, 2022 1 min, 58 secs

The findings support the "higher-range" scenarios laid out in February in the multi-agency Sea Level Rise Technical Report (opens in new tab).

The report suggested that "significant sea level rise" is liable to hit U.S.

coasts within the next 30 years, predicting 10 to 14 inches (25 to 35 cm) of rise on average for the East Coast; 14 to 18 inches (35 to 45 cm) for the Gulf Coast; and 4 to 8 inches (10 to 20 cm) for the West Coast.".

Related: Climate summit agrees to 'historic' loss-and-damage fund — but misses warming goals.

While the new study's findings are undoubtedly cause for concern, Jonathan Overpeck (opens in new tab), an interdisciplinary climate scientist at the University of Michigan who was not involved with the research, suggested that the projections have by no means come out of the blue. .

We know that sea level rise is accelerating and we know why," he told Live Science in an email.

Clearly, the sea level rise will get worse as long as we let climate change continue.".

This viewpoint is shared by David Holland (opens in new tab), a physical climate scientist and professor of mathematics at New York University who was not involved with the study.

The effects of El Niño — the warming of surface temperatures in the Pacific Ocean near South America which can lead to increased rainfall — and La Niña — the cooling of surface ocean waters in the Pacific — can make accurately forecasting sea level rise a challenge, and can potentially skew readings.

Ben Hamlington, leader of the NASA Sea Level Change Team, noted that natural events and phenomena will always need to be taken into consideration, and said that all forecasts will inevitably be refined as satellites gather data over time.

I think this [increased flooding] is catalyzing action, as many coastal communities are discussing these issues and how they respond," said Robert Nicholls (opens in new tab), director of the Tyndall Centre for Climate Change Research in the U.K., who was not involved with the study.

"We have the means to deal with this challenge in terms of mitigation to stabilize global temperatures and slow — but not completely stop — sea level rise, which, unfortunately, will continue for centuries due to the warming we have already experienced.".

Ultimately, humanity will need to adapt as climate change alters our planet's oceans and seas. .



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