What happened in 1980? if you look at this graph the the tem

>>8611686
Oh, wow this is interesting.
What field of science studies the global temperature?

Anybody here have any info what this means?

>>8611686
Looks like it came from a down trend friend.

>>8611686
The snowstorms

>>8611686
Theres nothing to see here because the graph is fake and uses fake data to sell us the man made global warming meme

I can't wait till humans are wiped out by the incoming ice age

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>>8611686

Fixed.

>>8611686
The "wave" is simply the AMO. It's random natural variation from ocean and air currents.

>>8611742
We're already in an ice age. There's ice at the poles.

I really hate when /pol/tards pretend to know anything.

>>8611765
>ice age
>no glaciers at Lake Erie or Ontario
Nice projection

>>8611767
Why would glaciers that far south be necessary?

https://en.m.wikipedia.org/wiki/Quaternary_glaciation

>>8611773
>it's an ice age
>no ice below Greenland and Alberta
An ice age would imply that ice covers 1/4 of the planet

>>8611686
Looks like hunting of a self-regulating non-linear system.

>>8611782
Where did you get that idea? I have literally never heard any geologist or glaciologist define ice age by a certain fraction of the earth covered in ice sheet.

>>8611782
>no ice below Greenland and Alberta
That's wrong, there is plenty of alpine ice. Melting quickly, but still there.

>An ice age is a period of long-term reduction in the temperature of Earth's surface and atmosphere, resulting in the presence or expansion of continental and polar ice sheets and alpine glaciers.

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>>8611762
Doesn't look random, more like a cyclic pattern. What drives it? What about ENSO?

>>8611889
It is cyclic but the amplitude is unpredictable, hence random. It's primarily caused by atmospheric circulation which influences a variety of mechanisms that lead to changes in SSTs. ENSO is equally unpredictable but is much more short term than AMO and easier to see.

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>>8611782
We are currently in an ice age that began 2.6 million years ago. Yes, we are in an ice age. Once the shock of reading that last statement wears off, realize that the only requirement for labeling the Earth as being in an ice age is that there has to be permanent (year-round) and somewhat extensive ice cover somewhere on the planet. Right now, that ice cover is on the Arctic, Greenland, and the Antarctic.

The Milankovitch theory proposes that glaciation is triggered by minima in summer insolation near 65° N, enabling winter snowfall to persist all year and therefore accumulate to build Northern Hemisphere ice sheets. Therefore, cool summers in the Northern Hemisphere high latitudes are needed for glaciation; there is less melting of the ice sheets during the summer and the sheets can advance equatorward during the other seasons. At 65° N the daily July insolation 126,000 years ago was 486.5 W m-2, but it plummeted to 397.6 W m-2 over a period of just 10,000 years. Therefore, the onset of the last glacial period occurred approximately 116,000 years ago.
Climate Literacy Labs http://sites.gsu.edu/geog1112/lab-7/
65° N is southern Greenland and Iceland.