Small Ice Particles in Tropospheric Clouds: Fact or Artifact? Airborne Icing Instrumentation Evaluation Experiment

被引：209

作者：

Korolev, A. V. ^{[1
]}

Emery, E. F. ^{[2
]}

Strapp, J. W. ^{[1
]}

Cober, S. G. ^{[1
]}

Isaac, G. A. ^{[1
]}

Wasey, M. ^{[1
]}

Marcotte, D. ^{[3
]}

机构：

[1] Environm Canada, Cloud Phys & Severe Weather Res Sect, Toronto, ON M3H 5T4, Canada

[2] NASA, Glenn Res Ctr, Cleveland, OH USA

[3] Natl Res Council Canada, Ottawa, ON, Canada

来源：

BULLETIN OF THE AMERICAN METEOROLOGICAL SOCIETY | 2011年 / 92卷 / 08期

关键词：

OPTICAL ARRAY PROBES; CRYSTALS; FSSP;

D O I：

10.1175/2010BAMS3141.1

中图分类号：

P4 [大气科学（气象学）];

学科分类号：

0706 ; 070601 ;

摘要：

The evidence for crystal bouncing and small ice article shattering is presented from wind tunnel studies and aircraft measurements using modified probe geometries. Direct experimental evidence for the shattering hypothesis is obtained with high-speed video recording led by the NASA Glenn Research Center, with support from Environment Canada (EC) at the Cox and Co. wind tunnel. The results show that contamination of particle size distribution caused by shattering of ice particles on probe tips and inlets is a significant problem for airborne microphysical characterization of ice clouds. Large ice particles are found to produce a higher level of contamination with their artifacts than small ice particles. The results also show that by modifying the probe inlets and by applying interarrival time algorithms, the effects of shattering can be significantly reduced.

引用

页码：967 / 973

页数：7

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