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本文对近四十年来我国的气候变化作了一个初步分析。结果表明,众所周知的全球增暖在我国只反映在东北、华北和西北西部地区;大约35°N以南,南岭以北,青藏高原以东地区是变冷区,变冷中心在四川、陕南和滇北;在全球温室效应下,高低纬变湿和中纬变干,而我国则大部分地区变干,华北和西北变干更明显。我国气候变化特点和全球增暖趋势有许多不一致,这一点值得引起我国气候学家的注意。 相似文献
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The preliminary analysis of climatic variation in China during the last 39 years has been made in this paper. The results show that although the global climate is getting warmer, some parts of China are cooling. The warming only occurs in Northeast, North and the west part of Northwest China while the areas between about 35°N and Nanling Mountain, east of the Tibetan Plateau in China are getting cooler. The cooling centers are located in Sichuan, the south part of Shaanxi and the north part of Yunnan respectively. According to the theory of greenhouse effect, there are much precipitation at low and high latitudes and less precipitation in middle latitude. However, the precipitation in the most parts of China has been decreased, especially in North and Northwest China. 相似文献
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