Fascinating animation. The visualization of the circulations is amazing.
I ran into this animation on the interwebs. It’s a great visualization of atmospheric water vapor in the atmosphere and how it moves from the tropics to the poles. Water in its various forms, including oceans, lakes, water vapor, clouds, rain, snow, ice, and glaciers, is a major player in weather and thus climate. It is perhaps the most dominant player besides incoming solar radiation which is the main driver of the weather-climate heat engine.
Keep in mind that this animation does not show liquid water, as in clouds and fog, which are also very important in the weather-climate energy budget. The air typically has very low water vapor content in the polar regions, allowing other greenhouse gases to have more of an effect than where water vapor is much more abundant, as in the tropics. However, because of the very cold polar temperatures, clouds, fog, and precipitation still occur…
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