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Some reading for the “anti-warmalists” and “climate-change deniers”

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Author Topic: Some reading for the “anti-warmalists” and “climate-change deniers”  (Read 36247 times)
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Kiwithrottlejockey
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Having fun in the hills!


« Reply #1250 on: May 17, 2019, 05:12:33 pm »


from The Washington Post…

It was 84 degrees near the Arctic Ocean this weekend
as carbon dioxide hit its highest level in human history


The carbon dioxide milestone and unusual warmth in northwest
Russia blend into the portrait of human-induced climate change.


By JASON SAMENOW | 2:55PM EDT — Tuesday, May 14, 2019

Carbon dioxide levels from approximately 1750 to the present day. — Graph: Scripps Institute of Oceanography.
Carbon dioxide levels from approximately 1750 to the present day. — Graph: Scripps Institute of Oceanography.

OVER THE WEEKEND, the climate system sounded simultaneous alarms. Near the entrance to the Arctic Ocean in northwest Russia, the temperature surged to 84 degrees Fahrenheit (29 degrees Celsius). Meanwhile, the concentration of carbon dioxide in the atmosphere eclipsed 415 parts per million for the first time in human history.

By themselves, these are just data points. But taken together with so many indicators of an altered atmosphere and rising temperatures, they blend into the unmistakable portrait of human-induced climate change.

Saturday's steamy 84-degree reading was posted in Arkhangelsk, Russia, where the average high temperature is around 54 this time of year. The city of 350,000 people sits next to the White Sea, which feeds into the Arctic Ocean's Barents Sea.




In Koynas, a rural area to the east of Arkhangelsk, it was even hotter on Sunday, soaring to 87 degrees (31 degrees Celsius). Many locations in Russia, from the Kazakhstan border to the White Sea, set record-high temperatures over the weekend, some 30 to 40 degrees (around 20 degrees Celsius) above average. The warmth also bled west into Finland, which hit 77 degrees (25 degrees Celsius) on Saturday, the country's warmest temperature of the season so far.

The abnormally warm conditions in this region stemmed from a bulging zone of high pressure centered over western Russia. This particular heat wave, while a manifestation of the arrangement of weather systems and fluctuations in the jet stream, fits into what has been an unusually warm year across the Arctic and most of the mid-latitudes.

In Greenland, for example, the ice sheet's melt season began about a month early. In Alaska, several rivers saw winter ice break up on their earliest dates on record.

Across the Arctic overall, the extent of sea ice has hovered near a record low for weeks.




Data from the Japan Meteorological Agency show April was the second warmest on record for the entire planet.

These changes all have occurred against the backdrop of unremitting increases in carbon dioxide, which has now crossed another symbolic threshold.

Saturday's carbon dioxide measurement of 415 parts per million at Hawaii's Mauna Loa Observatory is the highest in at least 800,000 years and probably over 3 million years. Carbon dioxide levels have risen by nearly 50 percent since the Industrial Revolution.

The clip at which carbon dioxide has built up in the atmosphere has risen in recent years. Ralph Keeling, director of the program that monitors the gas at the Scripps Institution of Oceanography, tweeted that its accumulation in the last year is “on the high end”.

Carbon dioxide is a greenhouse gas that, along with the rise of several other such heat-trapping gases, is the primary cause of climate warming in recent decades, scientists have concluded.

Eighteen of the 19 warmest years on record for the planet have occurred since 2000, and we keep observing these highly unusual and often record-breaking high temperatures.

They won't stop soon, but cuts to greenhouse emissions would eventually slow them down.


__________________________________________________________________________

Jason Samenow has loved weather since he was a boy. At the University of Virginia, he earned a degree in environmental science, focusing in atmospheric science. He went on to earn a master's degree in atmospheric science at the University of Wisconsin-Madison in 2000. Samenow is The Washington Post's weather editor. From 2000 to September 2010, he worked as a climate change analyst for the federal government, monitoring, analyzing and communicating the science of climate change. He founded CapitalWeather.com in early 2004, the first professional weather blog on the Internet, which became part of The Washington Post in 2008. Samenow is a past chairman of the D.C. Chapter of the American Meteorological Society and a Weather and Society Integrated Studies Fellow. He earned the Digital Seal of Approval from the National Weather Association.

__________________________________________________________________________

Related to this topic:

 • Vietnam just observed its highest temperature ever recorded: 110 degrees, in April

 • Red-hot planet: Last summer's punishing and historic heat in 7 maps and charts


https://www.washingtonpost.com/weather/2019/05/14/it-was-degrees-near-arctic-ocean-this-weekend-carbon-dioxide-hit-its-highest-level-human-history
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