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Could the World be in Imminent Danger and Nobody is Telling? Uniquely and fearlessly AMEG has studied key non-linear trends in the Earth-human System and reached the stunning conclusion that the planet stands at the edge of abrupt and catastrophic climate change as a result of an unprecedented rate of change in the Arctic.
Methane (CH4) is over twenty times more powerful, over a 100-year period, per molecule, than is carbon dioxide (CO2). Or, put another way, methane is more effectual than carbon dioxide at absorbing infrared radiation emitted from the earth’s surface and preventing it from escaping into space. Methane, during its first few years upon entering the atmosphere, is 100 times as powerful as an equal weight of CO2.
As it happens, it appears excessive levels of methane are just now starting to seriously impact the Earth’s atmosphere… in a big way!
According to the U.S. Department of Energy, Office of Science, as of February 2013, methane levels in the atmosphere are measured at 1,874 ppb (parts per billion.) This level, in an historical context, is more than twice as high as any time since 400,000 years before the industrial revolution. In the past, methane has ranged between 300-400 ppb during glacial periods and 600-700 ppb during warm interglacial periods.
In 2012, expeditionary teams in the Arctic were shocked, and dismayed, to find methane bubbling up from deep ocean sites. “Previous observations have pointed to large methane plumes being released from the seabed in the relatively shallow sea off the northern coast of Siberia, but the latest findings were made far away from land in the deep, open ocean where the surface is usually capped by ice.”
Likewise, Russian scientists have spotted methane plumes/bubbles that are more than a kilometer in diameter coming to surface along the East Siberian Arctic Shelf, which is the largest continental shelf in the world. Seventy-five percent (75%) of the sea over the shelf is shallow water, less than 50 metres deep, and consequently more immediately exposed to warming trends.
“The scale and volume of the methane release has astonished the head of the Russian research team who has been surveying the seabed of the East Siberian Arctic Shelf off northern Russia for nearly 20 years.”
The cause of this emerging outbreak of methane, as explained by AMEG, is a horrendous cycle that started 20-30 years ago when Atlantic and Pacific Ocean currents, warmed by greenhouse gases, flowed into the Arctic Ocean. This extra heat into the Arctic Ocean causes declines in the sea ice, and it increases temperatures. As it happens, the extra heat travels into shallow seas along the continental shelf and, over time, the warming also spreads to the deep seabed, destabilizing methane hydrates and free gas trapped over millennia in the permafrost cap. As follows, methane that has been trapped for millions upon millions of years is released into the atmosphere.
As I said a few months ago, with a warming atmosphere there is more moisture in the air, which will produce more snow or rain in storms. We've definitely seen evidence of that.
Originally posted by ML8715
reply to post by Rezlooper
As I said a few months ago, with a warming atmosphere there is more moisture in the air, which will produce more snow or rain in storms. We've definitely seen evidence of that.
Do you think something like this will make it more common for the upper east coast to see hurricanes / tropical storms more frequently?
One surprising feature of this recent growth is that it occurred almost simultaneously at all measurement locations across the globe. However, the majority of methane emissions are in the Northern Hemisphere, and it takes more than one year for gases to be mixed from the Northern Hemisphere to the Southern Hemisphere. Hence, theoretical analysis of the measurements shows that if an increase in emissions is solely responsible, these emissions must have risen by a similar amount in both hemispheres at the same time.
A rise in Northern Hemispheric emissions may be due to the very warm conditions that were observed over Siberia throughout 2007, potentially leading to increased bacterial emissions from wetland areas. However, a potential cause for an increase in Southern Hemispheric emissions is less clear.
changing Gulf Stream off the East Coast has destabilized frozen methane deposits trapped under nearly 4,000 square miles of seafloor, scientists reported Wednesday. And since methane is even more potent than carbon dioxide as a global warming gas, the researchers said, any large-scale release could have significant climate impacts.
Originally posted by 727Sky
wattsupwiththat.com...
The tally to present for the last 6 weeks
High temperature records: 1214
Low temperature records: 3464
High minimum temperature records: 1957
Low maximum temperature records: 4323
Snowfall records: 2000
There is no corresponding anti-snowfall record.
Warmer ocean temps and records broken as far as low temps across the mainland....Go figure?
S&F thanks for posting hard to figure all this stuff out?
Originally posted by Rezlooper
wattsupwiththat.com...
...The tally to present for the last 6 weeks
...Snowfall records: 2000
...There is no corresponding anti-snowfall record.
...