Climate Change News: Higher Faster, Sea level rise accelerating


Alex Wierbinski's picture

By Alex Wierbinski - Posted on 12 February 2018

 

Climate Change News
Sea Level

Higher Faster

Sea level rise accelerating,
University of Colorado at Boulder, February 12, 2018.

"This acceleration, driven mainly by accelerated melting in Greenland and Antarctica, has the potential to double the total sea level rise by 2100 as compared to projections that assume a constant rate--to more than 60 cm instead of about 30."

"If the oceans continue to change at this pace, sea level will rise 65cm (26 inches) by 2100--enough to cause significant problems for coastal cities."

How Sea Level Rises
Two Methods: Expansion and More Water

"Rising concentrations of greenhouse gases in Earth's atmosphere increase the temperature of air and water, which causes sea level to rise in two ways. First, warmer water expands, and this "thermal expansion" of the oceans has contributed about half of the 7 cm of global mean sea level rise we've seen over the last 25 years, Nerem said. Second, melting land ice flows into the ocean, also increasing sea level across the globe."

 

NASA ARTICLE

"...according to a new study based on 25 years of NASA and European satellite data."

Sea Level Rise is Accelerating,
NASA Earth 0bservatory, February 20, 2018.

NASA article has a cool video and graphics.

 

Sea Level Rise

 

 

WHY?

Graphic: The relentless rise of carbon dioxide,
NASA, Global Climate Change.

 

 

Continued warming, seasonal changes,
and sea level rise are going to get very interesting:

 

Climate Models

Worse models the Best?

Two Degrees Already Baked In

Improved Models Show Grim Future

 

 

 

2018 Oceans, Fish, Water, & Ice News

 

 

 

February 2018 News of Man & Nature

 

 

 

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