Home » Posts tagged 'climate stability'

Tag Archives: climate stability

Olduvai
Click on image to purchase

Olduvai III: Catacylsm
Click on image to purchase

Post categories

Post Archives by Category

Researchers Warn Arctic Has Entered ‘Unprecedented State’ That Threatens Global Climate Stability

Researchers Warn Arctic Has Entered ‘Unprecedented State’ That Threatens Global Climate Stability 

“Never have so many Arctic indicators been brought together in a single paper.” And the findings spell trouble for the entire planet.

The Yukon River winds through western interior Alaska in early April. (Photo: UAF/Todd Paris)

The Yukon River winds through western interior Alaska in early April. (Photo: UAF/Todd Paris)

A new research paper by American and European climate scientists focused on Arctic warming published Monday reveals that the “smoking gun” when it comes to changes in the world’s northern polar region is rapidly warming air temperatures that are having—and will continue to have—massive and negative impacts across the globe.

The new paper—titled “Key Indicators of Arctic Climate Change: 1971–2017“—is the work of scientists at the International Arctic Research Center at the University of Alaska Fairbanks and the Geological Survey of Denmark and Greenland in Copenhagen (GUES).

“The Arctic system is trending away from its 20th century state and into an unprecedented state, with implications not only within but beyond the Arctic.” —Jason Box, GUES

“The Arctic system is trending away from its 20th century state and into an unprecedented state, with implications not only within but beyond the Arctic,” said Jason Box of the GUES, lead author of the study. “Because the Arctic atmosphere is warming faster than the rest of the world, weather patterns across Europe, North America, and Asia are becoming more persistent, leading to extreme weather conditions. Another example is the disruption of the ocean circulation that can further destabilize climate: for example, cooling across northwestern Europe and strengthening of storms.”

John Walsh, chief scientist at AUF’s research center, was the one who called arctic air tempertures the “smoking gun” discovered during the research—a finding the team did not necessarily anticipate.

 …click on the above link to read the rest of the article…

The Lasting Condition: Drought in Australia

The Lasting Condition: Drought in Australia

Humans are a funny species.  They create settlements along fault lines that, on moving, can create catastrophe, killing thousands.  They construct homes facing rivers that will, at some point, break their banks, carrying of their precious property.  Importantly, they return in the aftermath.  Existence continues.

The same follows certain settlements of parts of the planet where hostile, environmental conditions discourage rather than endorse a certain form of living.  Changes in weather have been vicious catalysts for the collapse of civilisations; extreme climactic variations prevent and retard stable and sustainable agriculture.

“The flourishing of human civilisation from about 10,000 years ago, and in particular from 7,000 years ago,” notes earth and paleo-climate scientist Andrew Glikson, “critically depended on stabilisation of climate conditions”.  This had its due results: planting and harvesting of seed; cultivation of crops; the growth of villages and towns.

Australia, the second driest continent on the planet, has never been exempt from such patterns of disruption, and those stubborn, pluckily foolish farmers who persist in the notion that they can make a living in parts of it risk going the same way.

Australia’s agrarian purveyors have certainly been persistent, hopeful as pilgrims in search of holy land.  Disasters have not discouraged.  A sense of a certain attendant fatalism can be found in the scribbles of Nancy Fotheringham Cato’s “Mallee Farmer”:

You cleared the mallee and the sand blew over
Fence and road to the slow green river;
You prayed for rain but the sky breathed dust
Of long dead farmers and soil’s red rust.
You ploughed up the paddocks with a stump jump plough
But the gates were open and the drought walked through.

The Settlement Drought (1790-1793) threatened but did not overwhelm early European settlers. The Goyder Line Drought (1861-5) savaged but did not kill farming in parts of South Australia.

…click on the above link to read the rest of the article…

Olduvai IV: Courage
Click on image to read excerpts

Olduvai II: Exodus
Click on image to purchase

Click on image to purchase @ FriesenPress