Cutting greenhouse gas emissions would help spare cities worldwide from rising seas

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Gawdzilla Sama
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Cutting greenhouse gas emissions would help spare cities worldwide from rising seas

Postby Gawdzilla Sama » Thu Mar 22, 2018 12:19 pm

Cutting greenhouse gas emissions would help spare cities worldwide from rising seas
US East Coast would see largest benefits

Date: March 21, 2018

Source: National Center for Atmospheric Research/University Corporation for Atmospheric Research

Summary: Coastal cities worldwide would face a reduced threat from sea level rise if society reduced greenhouse gas emissions, with especially significant benefits for New York and other US East Coast cities, new research indicates.

Coastal cities worldwide would face a reduced threat from sea level rise if society reduced greenhouse gas emissions, with especially significant benefits for New York and other U.S. East Coast cities, new research indicates.

The study, by scientists at the National Center for Atmospheric Research (NCAR), used a powerful computer model to tease out the ways that winds and currents in a warming world push ocean water around, lifting it in some regions and lowering it in others. The scientists examined how these variations in sea level rise would change under two conditions: if emissions continue on their current trajectory, or if they are sharply reduced.

The results showed that, if society can implement cuts soon on emissions of carbon dioxide and other heat-trapping gases, the projected increases in sea level around the globe would be significantly less toward the end of the century. This would help coastal cities in much of the world as they try to fend off rising waters, with the benefits most pronounced for cities on parts of the Atlantic and Indian oceans.

"Mitigating greenhouse gases will reduce sea level rise later this century, with some regions seeing especially significant benefits," said NCAR scientist Aixue Hu, the lead author of the new study. "As city officials prepare for sea level rise, they can factor in the compounding effect of local conditions, which are due to the winds and currents that cause internal variability in the oceans."

Hu and his co-author, NCAR scientist Susan Bates, caution that the modeling study presents an incomplete picture, because it does not include runoff from melting ice sheets and glaciers -- two factors that scientists are just now incorporating into computer models. Instead, it simulates the influence of climate change on variations in sea level worldwide to reveal which coastlines will benefit most from emission reductions associated with the additional heat absorbed by the ocean.

The study, published this month in the journal Nature Communications, was funded by the U.S. Department of Energy and by the National Science Foundation, which is NCAR's sponsor.


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psychiatry is a scam
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Re: Cutting greenhouse gas emissions would help spare cities worldwide from rising seas

Postby psychiatry is a scam » Tue Apr 24, 2018 5:38 pm

studies - paper pushing , do nothing college kids , playing the game .

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Re: Cutting greenhouse gas emissions would help spare cities worldwide from rising seas

Postby bobbo_the_Pragmatist » Tue Apr 24, 2018 7:44 pm

Report No 4036 on the same damn thing. Money should have been spent on energy storage systems.
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Gord
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Re: Cutting greenhouse gas emissions would help spare cities worldwide from rising seas

Postby Gord » Wed Apr 25, 2018 12:50 am

Ah, I see. "We don't know enough" vs. "we know too much". Well, as long as some people in power are still refusing to do anything because "we don't know enough", research will (hopefully) continue.
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