Thirty years ago, atmospheric scientists began to notice a worrisome trend. They knew that turbulence from storms increases in summer, when hotter and more humid air rises to form thunderheads. And they knew that clear-air turbulence increases in winter, when the temperature drops dramatically at the poles but not in the tropics. That temperature difference drives the jet stream, which creates turbulent eddies and wind shear as it rushes through slower bodies of air. But, on top of these seasonal swings, there seemed to be an over-all trend as well: Earth’s atmosphere was getting rougher.
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이란, 이스라엘에 장거리 미사일 ‘가드르’, ‘에마드’ 발사
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据悉，斯塔默曾阻止美方使用查戈斯群岛上的军事基地用于打击伊朗。1日晚，斯塔默发表声明称已同意美国使用该军事基地用于“特定且有限”的防御目的。（央视新闻）
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