| 小冰期以来敦德冰芯中微粒含量与沙尘暴及气候的关系 |
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| 引用本文： | 刘纯平,姚檀栋.小冰期以来敦德冰芯中微粒含量与沙尘暴及气候的关系[J].冰川冻土,1999,21(4):385-390. |
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| 作者姓名： | 刘纯平 姚檀栋 |
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| 作者单位： | LIU Chun-ping(刘纯平) 1，YAO Tan-dong(姚檀栋) 1，THOMPSON L.G. 2，DAVIS M.E. 2 (1. Laboratory of Ice Core and Cold Regions Environment，LIGG，CAS，Lanzhou Gansu 730000，China; 2. Byrd Polar Research Center，the Ohio State University，Columbus，OH |
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| 摘 要： | Determination of microparticles, including >2.0 μm, 2.0～2.5 μm and >5.04 μm in diameter, since the Little Ice Age in the Dunde ice core is presented. Three increasing and three decreasing periods are distinguished since 1400 AD. Among them, the greatest one was from the end of the 17th Century to the early 18th Century. Microparticle concentration variation corresponds to climate change. The higher the microparticle concentration is, the colder and drier the climate is; the lower the microparticle concentration is, the warmer and wetter the climate is. A comparison of microparticle concentration and sand-dust storm frequency indicates that there exits a good relationship. Most of the material deposited on the Dunde ice cap is thought to have originated in the surrounding arid and semi-arid areas, probably transported into the Qilian Mountains by sand-dust storms. When microparticle concentration appears in special values, sand-dust storms would happen.
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| 关 键 词： | 小冰期 冰芯 微粒含量 沙尘暴 古气候 |
Variation in Microparticle Concentrations Preserved in the Dunde Ice Core and its Relationship to Dust Storms and Climate Since the Little Ice Age |
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| LIU Chun-ping.Variation in Microparticle Concentrations Preserved in the Dunde Ice Core and its Relationship to Dust Storms and Climate Since the Little Ice Age[J].Journal of Glaciology and Geocryology,1999,21(4):385-390. |
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| Authors: | LIU Chun-ping |
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| Abstract: | |
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| Keywords: | Dunde Ice Core microparticle concentration sand-dust storms climate change |
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