黒河地域における砂漠エアロゾルの物理・化学的特性
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概要
- 論文の詳細を見る
1991年4月13日-30日および10月3日-14日の期間、中国北西部の黒河(Heihe)地域において砂漠エアロゾルの物理・化学的特性の測定を行った。エアロゾルの個数濃度および含まれる元素の濃度は、10月と比べて4月において高い値を示した。砂嵐の際には、粗大粒子の濃度が急増する一方で、微小粒子も依然高い濃度を示していた。砂漠エアロゾルの粒径分布は二つモードにより構成され、対数正規分布で良く表現できた。エアロゾル中に岩石・土壌起源の元素が豊富に存在するのに加えて、塩類を含むアルカリ性の土壌に起因すると推察されるマグネシュウムと塩素が多く含有されていた。また、硫黄も存在していたが、これらはおそらく岩石・土壌起源のものと二次粒子としてのものが同程度寄与しているものと考えられる。
- 1995-12-25
著者
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Zhang Wen
Department Of Chemistry East China Normal University
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Zhang W
Dalian Inst. Chemical Physics Chinese Acad. Sci. Dalian Chn
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Zhang Wenjiang
Department Of Experimental Therapeutics Ontario Cancer Institute
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Zhang W
Department Of Chemistry East China Normal University
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Ren Lixin
中国科学院大気物理研究所
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Lei Wenfang
中国科学院大気物理研究所
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Lu Weixiu
中国科学院大気物理研究所
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Zhang Wen
中国科学院大気物理研究所
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Zhu Guanghua
北京師範大学低エネルギー核物理研究所
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