This is NOT La Niña*VIDEO* It's North Atlantic Oscillation - Mini Ice Age IMMINENT- My 4th Thread , page 1
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reply posted on 26-12-2010 @ 07:08 PM by Rob1971
reply to post by Monts



I would also like a definition of "mini ice age". The history channel had a program about one in the past. I would also like a definition of "Ice age". I don't doubt that this is or would occur, I'd just like clarification.



reply posted on 26-12-2010 @ 07:14 PM by discl0sur3
Originally posted by Monts
I think that all the info I've read of the gulf stream being messed up or just stopping period seems to make sense... But I have a question.
This "mini ice-age"... what does it mean? As in the definition of "mini ice-age"?

Does it mean that Europe is going to have a winter as long and harsh as Canada's?

Does it mean winter will just be longer than usual... or will last all year long?

Does it mean we will see glaciers forming? (i.e., no snow melting).

When I hear the word "ice-age", I think of the entire northern hemisphere being covered by glaciers for thousands of years. So understand why I am confused at this term "mini ice-age, and if possible OP, could you provide me with a definition, or at least an explanation of what this means for European, or Global weather in the near-foreseeable future?


I'll do my best to answer your questions but I'm by no means an "expert" so...here goes:

Mini Ice Age - The name is derived from an actual event that took place around 1250 A.D lasting until approximately 1650 A.D. The reason why this was called a "mini" or "little" ice age was based on the fact that it only lasted about 400 years, it's been theorized that a "full" ice age could last thousands of years.
Here's what Wiki has to say on the subject:


The Little Ice Age (LIA) was a period of cooling that occurred after the Medieval Warm Period. While not a true ice age, the term was introduced into scientific literature by François E. Matthes in 1939.[1] It is conventionally defined as a period extending from the 16th to the 19th centuries,[2][3][4] though climatologists and historians working with local records no longer expect to agree on either the start or end dates of this period, which varied according to local conditions. It is generally agreed that there were three minima, beginning about 1650, about 1770, and 1850, each separated by intervals of slight warming.[5] The Intergovernmental Panel on Climate Change (IPCC) describes areas affected by the LIA:
Evidence from mountain glaciers does suggest increased glaciation in a number of widely spread regions outside Europe prior to the 20th century, including Alaska, New Zealand and Patagonia. However, the timing of maximum glacial advances in these regions differs considerably, suggesting that they may represent largely independent regional climate changes, not a globally-synchronous increased glaciation. Thus current evidence does not support globally synchronous periods of anomalous cold or warmth over this time frame, and the conventional terms of "Little Ice Age" and "Medieval Warm Period" appear to have limited utility in describing trends in hemispheric or global mean temperature changes in past centuries... [Viewed] hemispherically, the "Little Ice Age" can only be considered as a modest cooling of the Northern Hemisphere during this period of less than 1°C relative to late 20th century levels.[6]
Several causes have been proposed: cyclical lows in solar radiation, heightened volcanic activity, changes in the ocean circulation, or an inherent variability in global climate.



From what I understand it's pretty much a full blown ice age though much shorter in length. If the facts reign true, the implications are still quite alarming. I would assume the Northern Hemisphere would end up pretty much uninhabitable although I wouldn't pack my bags quite yet Much more research needs to be completed on this subject IMHO.

There is no doubt that there will be people much more knowledgeable on this subject than I that will certainly contribute to my response if I have missed anything. I hope this helps...


reply posted on 26-12-2010 @ 07:37 PM by ArMaP
reply to post by discl0sur3



I will start worrying about a mini ice age when the temperature in the summer will not get above 30º C.

If it gets colder in the winter but the temperature returns to normal during the rest of the year it's not an ice age, it's just a cold winter.


reply posted on 26-12-2010 @ 07:42 PM by discl0sur3
Originally posted by ArMaP
reply to
post by discl0sur3



I will start worrying about a mini ice age when the temperature in the summer will not get above 30º C.

If it gets colder in the winter but the temperature returns to normal during the rest of the year it's not an ice age, it's just a cold winter.


With all due respect, summer temperature have been affected as well...the video explains why a lot better than I can


reply posted on 26-12-2010 @ 07:55 PM by ArMaP
reply to post by discl0sur3



I don't care about what some video tells me, I have a thermometer.

Here in Portugal, from the first 11 months of 2010 (no data for December yet, obviously), February, March and November had temperatures below the average, January, May and October were average while April, June, July, August and September were above the average.
(The above is for the average daily temperature)


reply posted on 26-12-2010 @ 10:10 PM by ANNED
Throughout the Little Ice Age, the world also experienced heightened volcanic activity.
and its not the size of the eruptions but the type and sulfur output
We just had a large volcanic eruption in Iceland of the high sulfur type

Add contrails, lower solar activity. Milankovitch cycle and Bond event (1,500-year climate cycles)
en.wikipedia.org...

Part of the problem is there was a cold period from 1500 to 1900. the global warmers add the increase in temperatures from the low of this cold period(about .8 degrees below normal mean temperature) to the increase of what they call global warming (about .6 degrees above global mean.) this gives there 1.5 degrees of global warming.
but the true global warming is only .6 degrees and that could easily be changed by a volcano, lower solar activity. Milankovitch cycle and Bond event
www.epa.gov...
www.epa.gov...

To start another true ice age you will need a few more major cooling events over at least 40 to 50 years.
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