另一个重要的推动因素是小冰期的开始，这一气候现象导致北半球气温下降。
Another important push was the onset of the Little Ice Age, a climatic phenomenon that led to cooler temperatures in the Northern Hemisphere.
并非如此：历史纪录表明，疟疾此前已经在温带地区广泛分布——最北到了斯堪的纳维亚地区——并且甚至在小冰期的最冷的年份存活了下来。
Not so: historical records show that malaria has previously been widespread in temperate regions - as far north as Scandinavia - and survived even during the coldest years of the Little Ice Age.
小冰期是距今最近，特征最明显的寒冷气候事件，对于研究世纪尺度气候变化具有重要意义。
The Little Ice Age is the latest and the most typical case of cold climate event, which is significant for the research of centennial climate change.
由冰川退缩引起的冰川面积的减小相当于现代冰川面积的4.6 % ，略小于整个羌塘高原地区小冰期以来冰川面积减小的幅度（8% ） 。
Since the Little Ice Age the glacier has reduced its area accounting for 4.6% of the present area, while this ratio is near 8% in the Qangtan Region, Tibetan Plateau.
约17世纪中至19世纪初的小冰期是艾比湖的水位上升期。
Little Ice age was Aiby Lake level rising stage from about middle 17th to early 19th century.
中国小冰期气候与环境变迁是在全球气候环境异常影响下发生的。
The climate and environmental changes of the Little Ice Age in China occurred under the abnormal influence of the whole globe's climate and environment.
太阳活动和火山活动是小冰期气候变化的主要因素。
The solar activity and volcanic eruptions are the main factors of climatic changes during the Little Ice Age.
太阳活动和火山活动是小冰期气候变化的主要因素。
The solar activity and volcanic eruptions are the main factors of climatic changes during the Little Ice Age.
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