Saturday, November 2, 2013

Locating sources of the world's highest methane levels


Above image shows IASI methane readings end October 2013 on the Northern Hemisphere. Clearly, high methane levels are very prominent over the Arctic. Over this period, the following peak methane readings have been recorded:
- October 28 - 2369 ppb
- October 29 - 2303 ppb
- October 30 - 2480 ppb
- October 31 - 2332 ppb

[ click on image to enlarge ]
Above image shows methane readings of 1950 ppb and higher in yellow, but only on October 31, 2013, pm.

This image is easier to analyze, since there are only a few areas where high methane readings show up, such as:
  • Last but not least, there's a huge area with high methane readings over the Arctic Ocean.
The image below again shows methane readings of 1950 ppb and higher in yellow on October 31, 2013, pm, but this time only for 3 altitudes, i.e. 451 mb, 469 mb and 487 mb. These levels were selected for their proximity to the altitude of 469 mb, where typically the highest mean global methane levels are recorded, i.e. from 1809 ppb to 1812 ppb for the period from October 28 to 31, 2013. Not surprisingly, the image below looks much the same as above image.



Things look rather different, though, when 3 altitudes are selected closer to sea level. The image below again shows methane readings of 1950 ppb and higher in yellow on October 31, 2013, pm, but this time only at 718 mb, 742 mb and 766 mb. These altitudes showed the highest methane readings that day, of 2322 ppb, 2332 ppb and 2316 ppb, respectively.


Ominously, high methane readings at these lower altitudes show up mostly in the Laptev Sea. In conclusion, some of the world's highest methane levels show up over the Laptev Sea, a huge area most prone to abrupt release of huge amounts of methane from the seabed.

This is further evidence in support of the looming threat of Abrupt Climate Change leading to extinction of many if not all species (i.e. including humans) within decades. It disproves the efforts of the IPCC, as discussed in the post Just do NOT tell them the monster exists, and further organizations to downplay the threat by spreading myths.

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