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Tracing the sources of particles in the East Rongbuk ice core from Mt. Qomolangma
  • ISSN号：1001-6538
  • 期刊名称：Chinese Science Bulletin
  • 时间：0
  • 页码：1781-1785
  • 分类：P426.63[天文地球—大气科学及气象学] G881[文化科学—体育训练;文化科学—体育学]
  • 作者机构：[1]State Key Laboratory of Cryospheric Sciences, Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou 730000, China, [2]State Key Laboratory of Lithospheric Evolution, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China
  • 相关基金：Supported jointly by National Basic Research Program of China （Grant No. 2007CB411501）, National Natural Science Foundation of China （Grant No. 90411003） and Hundred Talents Project of the Chinese Academy of Sciences （Grant No. KZCX3-SW-344）.We thank the team members of the Sino-U.S. scientific expedition to Mt. Qomolangma in 2002, and two anonymous reviewers for their constructive comments.
  • 相关项目：极地冰川学
作者： Xu JianZhong|Hou ShuGui|Chen FuKun|Ren JiaWen|Qin DaHe|
关键词： 东绒布冰芯, 珠穆朗玛峰, 粒子, 西北干旱地区, 同位素示踪, 西北部, 印度, 钻探, Mt. Qomolangma, East Rongbuk ice core, particle, Sr-Nd-Pb isotopes
中文摘要：

第一次， Sr-Nd-Pb 同位素的 tracer 被用于从科马朗马山(珠穆琅玛) 在东方 Rongbuk 冰核心识别粒子的来源。结果证明在脏层的粒子主要从本地来源发源，当在非脏的层的粒子与从在西北的印度的干旱区域的灰尘的特征一致时。当灰尘暴风雨发生在西北的印度时， HYSPLIT 模型证明空气轨道在到达冰核心的钻的地点前通过西北的印度首先去，证实象在东方 Rongbuk 冰核心的灰尘的可能的来源的西北的印度。

英文摘要：

Sr-Nd-Pb isotopic tracer was applied, for the first time, to identifying the sources of the particles in the East Rongbuk ice core from Mt. Qomalangma （Everest）. The results show that the particles in the dirty layers originate mainly from local sources, while the particles in the non-dirty layers are consistent with the features of dust from the arid regions in northwestern India. The HYSPLIT model shows that the air trajectory goes first through northwestern India before reaching the drilling site of ice core when dust storms occur in northwestern India, confirming northwestern India as a possible source of dust in the East Rongbuk ice core.

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