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MEASUREMENTS OF THE SIZE DEPENDENCE OF THE CONCENTRATION OF NONVOLATILE MATERIAL IN FOG DROPLETS
被引：58
作者：
OGREN, JA
NOONE, KJ
HALLBERG, A
HEINTZENBERG, J
SCHELL, D
BERNER, A
SOLLY, I
KRUISZ, C
REISCHL, G
ARENDS, BG
WOBROCK, W
机构：
[1] Department of Meteorology, Stockholm University, Stockholm
[2] Institut für Meteorologie and Geophysik, Johann Wolfgang Goethe-Universität, Frankfurt, D-6000
[3] Lnstitut Für Experimentalphysik, Universität Wien, Wien, A-1060
[4] Netherland Energy Research Foundation, Petten, 1755 ZG
[5] Zentrum für Umweltforschung, Johann Wolfgang Goethe-Universität, Frankfurt am Main, D-6000
关键词：
D O I：
10.1034/j.1600-0889.1992.t01-1-00010.x
中图分类号：
P4 [大气科学（气象学）];
学科分类号：
0706 ;
070601 ;
摘要：
Measurements of the size dependence of the mass concentration of non-volatile material dissolved and suspended in fog droplets were obtained with three complementary approaches, covering a size range from ca. 1-50 mum diameter: a counterflow virtual impactor, an eight-stage aerosol impactor, and.a two-stage fogwater impactor. Concentrations were observed to decrease with size over the entire range, contrary to expectations of increasing concentrations at larger sizes. It is possible that the larger droplets had solute concentrations that increased with increasing size, but that the increase was too weak for the measurements to resolve. Future studies should consider the hypothesis that the droplets were coated with a surface-active substance that hindered their uptake of water.
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页码：570 / 580
页数：11
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