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地理科学  2009 

中国典型季风海洋性冰川区雪坑环境记录分析

, PP. 703-708

Keywords: 季风,化学,季节性,来源

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Abstract:

白水1号冰川是亚欧大陆纬度位置最低的冰川,冰川区90%的降水主要受季风气候影响。运用多种方法对该区雪坑化学的季节性特征分析表明,2006年5月7日采集的两雪坑主要是2005年夏季风期和2005~2006年度非夏季风期的积雪积累;夏季风期积雪中远源物质主要是随季风环流而来的海盐气溶胶及其沿途工、农业区的污染物质,非夏季风期主要是源自印度塔尔沙漠以及中亚和西亚地区的粉尘;季风期和非季风期(2005~2006年度)间积雪化学特征存在较大差异;两雪坑季风期间积雪化学特征的不同主要反映了不同海拔消融强度和淋溶过程的差异,非季风期间的不同主要反映了局地环境的影响,特别是山谷风携带的地壳物质的影响。

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