| 积雪大尺度气候效应综述 |
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| 引用本文： | 李培基.积雪大尺度气候效应综述[J].冰川冻土,1993,15(4):595-601. |
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| 作者姓名： | 李培基 |
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| 作者单位： | 中国科学院兰州冰川冻土研究所 |
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| 摘 要： | 本综述了积雪大尺度气候效应研究在相关分析、天气气候学诊断以及数值以得的重要进展、评论了前人研究中存在的主要问题，强调指出准确而详尽的积雪空间分布、季节变化与年际波动是揭示积雪对气候影响物理机制所必不可缺少的。向欧亚大陆或青藏高原积血可对东亚季风产生持续性影响这一被广泛接受的看法提出了挑战。全球海气异常，东亚季风和欧亚大陆积雪之间的相互关系，有待用真实的积雪变化做进一步探讨。
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| 关 键 词： | 积雪 反射率效应 气候效应 |
An Overview of Large Scale Effects of Seasonal Snow Cover |
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| Li Peiji.An Overview of Large Scale Effects of Seasonal Snow Cover[J].Journal of Glaciology and Geocryology,1993,15(4):595-601. |
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| Authors: | Li Peiji |
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| Abstract: | This paper reviews the significant advances from studies of the large scale effects of seasonal snow cover on climate dynamics. Major problems in the earlier statistical studies and recent model simulations have been discussed by highlighting snow data uncertainties. The author argues that detailed and accurate information on spatial patterns, seasonal cycle, and year-to-year variability of snow cover is needed to throw light on the underlying physical mechanisms of their effects on climate dynamics and climate change. It is still a challenge to detect and identify a sustained impact of snow cover over the Tibetan Plateau on Asian monsoon development. The cause-effect connection between ENSO, Asian monsoon and Eurasian snow cover is needed to be examined further with realistic snow cover. |
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| Keywords: | snow-albedo effect snow-hydrological effect Asia monsoon ENSO |
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