Well, it's affected by the weather and by the circulation in the mantle, both of which are turbulent, so... AIUI the unpredictable decade-scale variation is likely to be due to the mantle; it isn't clear what effects climate change is having.
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Re: modelling and predicting the earth's speed of rotation
Date: 2022-12-04 22:23 (UTC)Well, it's affected by the weather and by the circulation in the mantle, both of which are turbulent, so... AIUI the unpredictable decade-scale variation is likely to be due to the mantle; it isn't clear what effects climate change is having.