A new method for sampling of atmospheric ice nuclei with subsequent analysis in a static diffusion chamber

被引：30

作者：

Klein, Holger ^{[1
]}

Haunold, Werner ^{[1
]}

Bundke, Ulrich ^{[1
]}

Nillius, Bjoern ^{[1
]}

Wetter, Thomas ^{[1
]}

Schallenberg, Stephan ^{[1
]}

Bingemer, Heinz ^{[1
]}

机构：

[1] Goethe Univ Frankfurt, Inst Atmospher & Environm Sci, D-60438 Frankfurt, Germany

来源：

ATMOSPHERIC RESEARCH | 2010年 / 96卷 / 2-3期

关键词：

Aerosol; Ice nuclei; Sampling technique;

D O I：

10.1016/j.atmosres.2009.08.002

中图分类号：

P4 [大气科学（气象学）];

学科分类号：

0706 ; 070601 ;

摘要：

A new technique for the sampling of atmospheric ice nuclei is presented. Aerosols are electrostatically precipitated onto silicon discs, and are subsequently analyzed in a diffusion chamber. The method is compared to continuous flow chamber measurements and to membrane filter measurements of ice nuclei. Ice nucleus measurements obtained using this new method compare well to the continuous flow chamber measurements. In contrast, membrane filters were found to lead to serious underestimates of the ice nuclei number concentration when the filters were treated with a pore sealant and analyzed under vacuum. This confirms previous findings of other authors. The electrostatic aerosol collection device is lightweight and easy to handle. (c) 2009 Elsevier B.V. All rights reserved.

引用

页码：218 / 224

页数：7

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