Slowing of ocean currents

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lau
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by lau » 16/03/06, 02:25

Hi everybody!

As a good weather observer, it cannot be denied that the weather is changing: Melting of permafrost, ice from the North Pole, Alpine glaciers, general drought in Eastern Europe to England and Late colds.
As for saying that winter is harsh or colder ... I'm having fun friends!
A little tour of the previous centuries shows us that the vines have frozen several times, Gaul has already been covered under 10 meters of snow (764), the Rhone in Avignon and all the rivers of France have frozen several times and for several months, the Seine froze to the bottom of its bed, the Mediterranean full of ice for several km offshore or, the sea in front of Bordeaux frozen and the ice there was the height of a man (1569) .. etc ...
When the Rhone will be taken by the ice and there will be the ice floe off Marseille, I will let you know!
here is to refresh your memory:
http://www.alertes-meteo.com/vague_de_f ... 51-762.htm
http://la.climatologie.free.fr/intemperies/tableau1.htm
At the time, if there had been journalists, they would probably have said that the weather had gone mad.
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jean63
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by jean63 » 16/03/06, 09:00

Exact lau and thank you, it sets the record straight,

Not so long ago I said the same thing as you. There were in the past very cold periods not so far away (it was the small glaciation: the glaciers of the Alps fell very low in the years 1500-1600, there is even an exhibition in the Massif des Ecrins at the foot of the Glacier Blanc, which has retreated enormously in 10 years).

So the temporary cooling of this winter is nothing compared to the major upheavals, to find out more => RV in 20 years (maybe!) Or in 50 years for the youngest ... there is a real trend will have asserted itself. For the moment let's see and see if next winter there is still a lot of snow ... : Mrgreen:

Super site "Climatology", thank you. I will read it all.

There you put the doubt in my mind when the climatic variations and their causes.

Among others we find that and we can also ask questions about the real impact linked to solar activity ....
CLIMATE CHANGE
MEDIUM AND LONG TERM

Based on the concentration of carbon 14 and beryllium 14 measured in the ice cores, we notice a period of 2300 years. The origin of this variation (Hallstattzeit cycle) is not yet known, but it is not excluded that the Sun (due to carbon 14) or even the ocean circulation participates in it. The minimum of this cycle coincides with the Maunder minimum. Which means that in 3950 there could be a next little ice age. Currently the Hallstattzeit cycle is increasing and its maximum should be reached around the year 2800. Some researchers believe that this could be the cause or one of the causes of global warming.



During the Little Ice Age, the River Thames
of London froze in winter during the 17th century.
This engraving represents the frozen river in 1683-84.
This coincided with a period when there were very few
sun spots and therefore low solar activity.
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bojourvous5094
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by bojourvous5094 » 10/04/06, 01:40

THE GREAT CANADIAN NORTH

The Canadian Far North is already seriously affected by climate change. According to a Canadian Forest Service study, over the past 20 years, one-fifth of the boreal forest's biomass has been destroyed by unprecedented fires and insect invasions. A study carried out in Environment Canada in 1990 shows that prolonged climate change will cause the dieback of 80% of present-day forests, causing devastation to the forest industry and to indigenous populations, in particular the Cree and the Dene.

Farther north, the degradation of permafrost could transform a large part of the Arctic into a vast swamp, making road transport and construction much more difficult. Climate change is also causing the thinning of the snow and ice in the northern hemisphere. In the Arctic Ocean, prolonged climate change will increase the retreat of the ice floe, reducing the habitat of seals, walrus and polar bears as well as the food supply for the Inuit, who hunt these animals.
© Beltra / Greenpeace


MELTING ICE

The climate of our planet is changing. This is most evident in the Arctic and subarctic areas, as the climate heats up two to three times faster than the world average, with the notable exception of the Labrador Sea.
Some of the effects observed include:

1) heavy snowfall
2) drier climate in summer and fall
3) forest decline
4) thinning of ice in streams, lakes and seas
5) degradation of permafrost
6) more severe atmospheric disturbances and coastal erosion
7) cooling of the Labrador Sea caused by ice melt water
- thinning of the ozone layer.


RISE OF THE SEA LEVEL

According to the Intergovernmental Panel on Climate Change (IPCC), since the beginning of the last century, the level of increase in the sea has increased from 15 to 50 cm and could increase by another 50 to 90 cm over the next 100 years. For countries already grappling with glaring problems regarding the protection of their coastal areas due to the rise in sea level, another 50 to 90 cm means, no more and no less, that the disappearance of these countries from the face of the planet. Think of the small island countries such as the Marshall Islands, Fiji or Tuvalu but also the Netherlands or the American states such as Florida and New Orleans or the Magdalen Islands or Prince Island -Edouard in Canada. Given that half the world's population lives in coastal areas, rising sea levels will mean massive displacement of populations and enormous economic losses.
_________
REFERENCES :
IPCC: Second assessment of the IPCC;
Climate change 1995, UNEP and WMO, 1996. p. 50
Is Global Warming Harmful to Health?
Epstein, Paul R., Scientific American, August 2000, p. 50-57
World Health Organization (WHO)
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by the middle » 28/03/09, 08:35

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Flytox
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by Flytox » 28/03/09, 13:20

Hello fair


Much more meaningful than a long speech ... 8)
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Woodcutter
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by Woodcutter » 28/03/09, 13:24

Indeed, well found!
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by the middle » 28/03/09, 13:27

It is an email circulating at the moment. :?
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by the middle » 28/03/09, 13:41

Woodcutter wrote:Indeed, well found!

Answer for lumberjack to a question on another post..not found :?
(May meeting)
https://www.econologie.com/forums/rendez-vou ... t6982.html
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