They found that in years of low activity, unusually cold air forms high in the atmosphere over the tropics. This causes a redistribution of heat in the atmosphere, triggering easterly winds that bring freezing weather and snow storms to northern Europe and the United States and milder weather to Canada and the Mediterranean.

他们发现，在太阳活动谷年，异常冷空气在热带高层大气形成，造成大气热量重新分配，引发东风，令欧洲北部和美国遭遇异常低温和暴风雪，加拿大和地中海地区气候则变得更为温和。

When solar UV radiation is stronger, the opposite occurs.

太阳紫外线进入活动峰年时，情况则相反。

Ineson's team used the data in a complex computer model that simulates long-term weather patterns. The model successfully reproduced what scientists have observed happening in the upper atmosphere during changes in solar radiation.

伊尼森的研究小组利用一个复杂计算机模型得出数据，这种模型可以模拟长期气候类型。模型成功重现了在太阳辐射变化时，科学家已经在高层大气观测到的状况。

More study was needed, though. A key uncertainty in the experiment lay in the satellite data used, because it spans only a few years. "So questions remain concerning both accuracy and also applicability to other solar cycles," she said.

但这一结论仍需要更多研究来印证。卫星数据中存在一个关键的不确定因素，因为数据只覆盖了最近几年。她说：“因此研究结果的准确性和对太阳其他周期的适用性仍有待验证。”

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