This is essentially the same data that was previously shown in this animated map:https://twitter.com/RARohde/status/1088470285635014657 …
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1:30Prikaži ovu nit -
Keeping with my recent practice, I've put a copy of this video on YouTube for people who may find that easier to share:https://www.youtube.com/watch?v=xWpTGbZhZfQ …
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A very nice animation! But, 1) how good are the data making up the distribution in recent times given where most are taken (airports and urban for the most part) and 2) where did the data come from before the satellite era? Sfc data before WWII is very sparse!
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As can be seen in the accompanying map animation, there are gaps in the early record. Even when there aren't gaps, there may be long interpolations. This has a some impact on the distribution, but is not expected to have a large impact on the mean. 1/
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and how exactly one got data from 1800s?
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With a thermometer.
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The animation starts in 1850 because that is about when humans started having enough thermometers to measure the Earth average. Before that, one has to make estimates using indirect methods. Even so, the modern period is likely warmer than we've been for thousands of years.pic.twitter.com/OANx2SySeE
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Thank you. This is awesome. Have you considered illustrating % of earth’s surface experiencing +2 or +3 standard deviations hotter than a baseline period mean? Could be done as a “you are here” along a fixed curve of cumulative normal distribution, for example.
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I think it would be useful to do something like this, but I need to think about how to present it because the standard deviation varies locally.
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Čini se da učitavanje traje već neko vrijeme.
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