CBS News on Arctic Report Card
December 11, 2019
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December 11, 2019 at 4:07 pm
Grim news indeed – the world needs to be on it’s toes with countries having leaders of purpose. Not denying rats at the helm. Sad times indeed. Let’s hope for a change. TIME TO HANDOVER ???
At 34, Sanna Marin Is the World’s Youngest Sitting Head of Government
https://time.com/5747062/worlds-youngest-government-leader/
December 11, 2019 at 4:08 pm
“When dead salmon wash ashore along the coast of the Bering Sea, the problem is much bigger than dead fish. It’s a sign of deeper trouble cascading through the Arctic’s ecosystems.
It’s been happening more and more the last few years—fish, dead or dying, rolling in with the tide, said Mellisa Johnson, executive director of the Bering Sea Elders Group. “The seals, they don’t want to eat those types of fish. They know they’re unhealthy for consumption. So then they don’t have enough fat reserves to last them.”
https://insideclimatenews.org/news/10122019/arctic-report-card-2019-bering-sea-ice-extent-greenland-melt-permafrost-indigenous-impact
December 11, 2019 at 4:41 pm
“There is a very clear relationship between the retreat and increasing ice mass losses from these glaciers during the 1985-through-present record.”
https://news.osu.edu/shrinking-of-greenlands-glaciers-began-accelerating-in-2000-research-finds/
December 11, 2019 at 5:55 pm
Per NASA research the arctic was ice free in summer about 4500 years BP. Last I checked the world did not end. https://en.wikipedia.org/wiki/Dendroclimatology#/media/File:Yamal50.gif temperature reconstruction using tree rings, we have been in a cold period for about 3500 years on average with hot spells like the medieval warm period thrown in. Perhaps we are simply going back to the warm period from 7000 to 5000 years before the present.
December 11, 2019 at 6:02 pm
Moran!
December 11, 2019 at 8:11 pm
Backtracking on the Milankovitch cycles then you think. Why not, that Milankovitch was always overrated with his crummy cycles going forwards, backwards, sideways, upside down, whichever way suits you best. I’d never ride a Milankovitch cycle.
December 11, 2019 at 10:30 pm
Not even vaguely astute, as usual. Naive readers should note:
He/she/it doesn’t explain what a graph of tree rings from now–living Yamal Peninsula and Siberian conifers tells us what about Arctic Ocean ice cover.
The “medieval warm period” was local, not global.[1]
And the graph he links to doesn’t go past 5,030 years ago, it says nothing about a warm period 6,000 or 7,000 years ago.
[1] https://skepticalscience.com/medieval-warm-period.htm
December 12, 2019 at 4:45 pm
This is at least the third time you have posted that dendrochronology chart pretending it is something that it isn’t. This is a report from one patch of forest on the entire planet.
Climate research involves looking at many, many suites of climate proxies from different disciplines. They variously measure isotope ratios over time, varve sediments, the size of stomata on preserved leaves, root lengths, foraminifera, glacial residue. They take into account proximity to magma chambers and rifts, crustal uplift, sediments formed under sea ice, temporary cooling from ancient erupts and many other confounding processes.