From NASA:

Most places on the globe have warmed in recent decades, with the greatest warming at high latitudes in the Arctic Ocean, Alaska, Siberia and the Antarctic Peninsula. Most ocean areas have warmed. Climatologists say that warming is not due to local effects of heat pollution in urban areas, a point demonstrated by warming in remote areas far from major cities.

Considering we've only had sophisticated space satellites since the mid-60's I would like to know where the dataset for the first 80 years came from! Surely it is interpolated from supercomputer simulations. Still, the 60's to now data is convincing enough.

Wonderful, at last a break from low tide and harsh cold. Just in time for the energy riots in 2014, the food shortages, and everyone has aids....aids aids aids....

convincing who of what there g?? how many hats do you wear??

Info from here: http://www.nasa.gov/vision/earth/environment/2006_warm.html

Right, I mean, I'm sure there is data on average global temperature back to then from ice cores, lone meteorological outposts and the lot but there's no way that the spatial resolution on that data is as high back then as it is now with satellite data. And that being what the animation depicts, what I'd REALLY like to see is how that data was interpolated from simulation. Information which I don't see on the nasa site.

From what I've heard, there is actually pretty good data going back that far, taken from meteorological stations around a good part of the globe. What was less accurate was the thermometers themselves, so I assume a certain amount of correction and interpolation had to be done to produce this animation. Regardless, it's nicely done -- now we just need a version that goes back 80,000 years so we can see whether we're just experiencing a blip in the curve, or the end of the world.

gluonium,

Agreed.

Sc

silvercord
From NASA:

Most places on the globe have warmed in recent decades, with the greatest warming at high latitudes in the Arctic Ocean, Alaska, Siberia and the Antarctic Peninsula. Most ocean areas have warmed. Climatologists say that warming is not due to local effects of heat pollution in urban areas, a point demonstrated by warming in remote areas far from major cities.

QFT

Yes, I saw that. Thanks.