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Methane emissions in the Arctic - 08/17
The brown area, around 1860 ppb, is over the East Siberian Sea to the Beaufort Sea. It is over open water. The methane over the Laptev Sea has subsided.
Degrading plastics revealed as source of greenhouse gases:
Atmospheric CH4 Levels Graph:
Scientists take to the skies to measure emissions from Yorkshire moor fires:
Climate change is making night-shining clouds more visible:
Masses of methane from mud volcanoes:
Researchers document widespread methane seeps off Oregon coast:
More accurate estimates of methane emissions from dairy cattle developed:
New research shows fertilization drives global lake emissions of greenhouse gases:
CAMS ~ Copernicus Atmosphere Monitoring Service:
Amazon floodplain trees emit as much methane as all Earth’s oceans combined:
Emerging role of wetland methane emissions in driving 21st century climate change:
General:
Barrow daily methane measurements from 1986 through 2016:
Mauna Loa daily methane measurements from 1987 through 2016:
East Siberian Arctic Shelf - Articles
This
is methane at 500 hP which I believe corresponds with 10,000 feet over much of the Arctic.
This
does not seem to be where the methane is coming from.
Arctic
Methane 08 17 2018
The brown area, around 1860 ppb, is over the East Siberian Sea to the Beaufort Sea. It is over open water. The methane over the Laptev Sea has subsided.
What
is happening in the Arctic Ocean is extremely important because of
the huge amount of methane stored there.
H/T Joe Neubarth
TWO THOUSAND FIVE HUNDRED AND FIFTY-FOUR PARTS PER BILLION.
WHAT
A MASS OF PINK! (As well as Red.)
We
have evidence of strong methane flow from north of Siberia (Laptev
Sea and Eastern Siberian Sea).
How
strong of a release we will not know for a while, but there are a lot
of people who are frightened. I do not blame them.
I
have been saying that I doubt that we will get a 50 Gigaton release
of methane from Siberian Arctic Waters as Natalia warned. I said that
because I believe it will be released as layers of the permafrost
melt
If
I am wrong I will have no problem admitting it, but I still doubt
that a massive release like that is going to happen. Perhaps 20
Gigatons in ten to twenty years. That, I could agree to, but not 50
Gigatons in a short span of time
---Joe
Neubarth
And here are some links from the Facebook page, Methane News Group
'Abrupt thaw' of permafrost beneath lakes could significantly affect climate change models:
Thanks to climate change and wetter weather, forest soils are absorbing less methane:Degrading plastics revealed as source of greenhouse gases:
Atmospheric CH4 Levels Graph:
Scientists take to the skies to measure emissions from Yorkshire moor fires:
Climate change is making night-shining clouds more visible:
Masses of methane from mud volcanoes:
Researchers document widespread methane seeps off Oregon coast:
More accurate estimates of methane emissions from dairy cattle developed:
New research shows fertilization drives global lake emissions of greenhouse gases:
CAMS ~ Copernicus Atmosphere Monitoring Service:
Amazon floodplain trees emit as much methane as all Earth’s oceans combined:
Emerging role of wetland methane emissions in driving 21st century climate change:
General:
How Bad of a Greenhouse Gas Is Methane?:
Global
warming potential:
After
2000-era plateau, global methane levels hitting new highs:
Barrow daily methane measurements from 1986 through 2016:
Mauna Loa daily methane measurements from 1987 through 2016:
East Siberian Arctic Shelf - Articles
Methane release and coastal environment in the East Siberian Arctic shelf - N. Shakhova , et al. - 2006 [pdf]:
Anomalies
of methane in the atmosphere over the East Siberian shelf: Is there
any sign of methane leakage from shallow shelf hydrates – N.
Shakhova, et al. - 2008 [pdf]:
The
East Siberian Arctic Shelf: towards further assessment of
permafrost-related methane fluxes and role of sea ice – N.
Shakova, et al. – 2015 [pdf]:
The
origin of methane in the East Siberian Arctic Shelf unraveled with
triple isotope analysis – C. J. Sapart, et al – 2017 [pdf]:
Is
the warming Arctic incubating a methane monster that could unleash
mass extinction on Earth? - Ronald L. Shimek - 2016:
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