MIXED-PHASE MICROPHYSICS AND CLOUD ELECTRIFICATION

被引：0
|
作者：
WILLIAMS, ER [1 ]
ZHANG, R [1 ]
RYDOCK, J [1 ]
机构：
[1] WASHINGTON STATE UNIV,ATMOSPHER RES LAB,PULLMAN,WA 99164
来源：
JOURNAL OF THE ATMOSPHERIC SCIENCES | 1991年 / 48卷 / 19期
关键词：
D O I：
10.1175/1520-0469(1991)048<2195:MPMACE>2.0.CO;2
中图分类号：
P4 [大气科学（气象学）];
学科分类号：
0706 ; 070601 ;
摘要：
A number of experimental studies have shown that sublimating ice acquires negative charge and ice undergoing vapor deposition acquires positive charge. Microphysical calculations are performed to determine the diffusional state (i.e., sublimation versus deposition) of riming graupel particles. Comparisons with earlier laboratory measurements of charge transfer to a rotating rimer in a cloud of supercooled water droplets and ice crystals again suggest that sublimating graupel particles charge negatively and graupel undergoing deposition charge positively. Implications for charge separation in thunderstorms are discussed.
引用
收藏
页码：2195 / 2203
页数：9
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