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大气科学  2000 

青藏高原积雪对中国夏季风气候的影响

DOI: 10.3878/j.issn.1006-9895.2000.06.04

Keywords: 青藏高原,积雪,夏季风,模拟

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Abstract:

利用SVD等方法对青藏高原积雪与中国区域降水的关系作了诊断分析。并用区域气候模式(RegCM2)对高原积雪的气候效应进行了模拟。结果表明:青藏高原积雪对中国夏季风气候的影响是显著的。积雪的增加会明显减弱亚洲夏季风的强度,使华南的降水减少,江淮流域的降水增多。高原冬季积雪深度的增加,比积雪面积的扩大和春季积雪深度的增加对后期气候的影响更大。

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