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Earth

Cause of Global Warming 'Hiatus' Found Deep In the Atlantic 193

Posted by samzenpus
from the biggest-heatsink dept.
vinces99 writes with news about a study that may account for a slowdown in air temperature rises. Following rapid warming in the late 20th century, this century has so far seen surprisingly little increase in the average temperature at the Earth's surface. More than a dozen theories have now been proposed for the so-called global warming hiatus, ranging from air pollution to volcanoes to sunspots. New research from the University of Washington shows the heat absent from the surface is plunging deep in the north and south Atlantic Ocean, and is part of a naturally occurring cycle. The study is published in Science. Subsurface ocean warming explains why global average air temperatures have flatlined since 1999, despite greenhouse gases trapping more solar heat at the Earth's surface. "Every week there's a new explanation of the hiatus," said corresponding author Ka-Kit Tung, a UW professor of applied mathematics and adjunct faculty member in atmospheric sciences. "Many of the earlier papers had necessarily focused on symptoms at the surface of the Earth, where we see many different and related phenomena. We looked at observations in the ocean to try to find the underlying cause." What they found is that a slow-moving current in the Atlantic, which carries heat between the two poles, sped up earlier this century to draw heat down almost a mile (1,500 meters). Most previous studies focused on shorter-term variability or particles that could block incoming sunlight, but they could not explain the massive amount of heat missing for more than a decade.

Comment: Re:well-documented attempts to expose nomination b (Score 1) 157

by Nimey (#47723987) Attached to: The 2014 Hugo Awards

How many times has Correia made the NYT bestseller list? Got a source for both of their sales numbers?

You're a whining "victim" who wants everyone to see how trod-upon you are. However, we don't hate you because of your politics (despite how very badly you want it to be so), we hate you because you're an asshole.

Transportation

Helsinki Aims To Obviate Private Cars 271

Posted by Soulskill
from the start-what-you-finnish dept.
New submitter NBSCALIDBA writes: Eeva Haaramo reports on Helsinki's ambitious plan to transform city transportation. From on-demand buses to city bikes to Kutsuplus mini-transport vans, the Finnish capital is trying to change the whole concept of getting around in a city. "Under the plan, all these services will be accessed through a single online platform. People will be able to buy their transport in service packages that work like mobile phone tariffs: either as a complete monthly deal or pay as you go options based on individual usage. Any number of companies can use the platform to offer transport packages, and if users find their travel needs change, they'll be able to switch packages or moved to a rival with a better deal."

It is better to give than to lend, and it costs about the same.

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