Drought on Earth probably had an effect on the furthest reaches of the atmosphere.
that warp spacetime. Instead, when two substances in the atmosphere are unbalanced, gravity waves form as the forces of gravity and buoyancy equalize and create vertical waves. These waves take more time to propagate through denser substances like water. In the furthest reaches of the upper atmosphere, they can spread much more easily since the air is so thin at that altitude.
Gardner and She first started using LIDAR in 1994 to monitor weather in the upper atmosphere. They never expected to see any drastic changes, and were surprised when they noticed that gravity waves were not so active in the years since the SWNA megadrought took over and storms in the lower atmosphere subsided.
The researchers also found that the greatest amount of gravity wave activity happened during the winter, when powerful winds unleashed rain and snow, and in mid- to late summer, when rains swept in from the Pacific Ocean. This suggested to them that precipitation was a factor in gravity wave reduction. It appeared that storms had brought about gravity waves, and a downturn in precipitation during the drought meant fewer storms — and thus fewer gravity waves.
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