Daily Archives: February 7, 2016

Global Warming Basics: Signal and Noise — and Trend

Even when climate is constant, unchanging, the weather is not.

Temperature is one aspect of weather (and therefore of climate), so it’s in constant flux, whether we’re looking at a single location or an average over the whole globe. The changes we observe, whether of ever-changing temperature or any other weather variable, can be divided into two broad categories: signal and noise.

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