雪
云物理学
降水
大气科学
硫酸盐
气象学
环境科学
风暴
液态水含量
污染物
化学
云计算
地理
地质学
有机化学
计算机科学
操作系统
作者
Randolph D. Borys,Douglas H. Lowenthal,David L. Mitchell
标识
DOI:10.1016/s1352-2310(99)00492-6
摘要
A study was conducted to examine the relationships among air pollutant loadings, cloud microphysics, and snowfall rates in cold mountain clouds. It was hypothesized that variations in pollutant loadings would be reflected in shifts in the cloud droplet size distribution. A field program was conducted at Storm Peak Laboratory (SPL) at an elevation of 3210 m MSL in northwestern Colorado. Cold precipitating clouds were sampled during January, 1995. Cloud water was collected and analyzed for major ion and trace element chemistry. Cloud droplet concentrations and size were measured continuously using a PMS FSSP-100. The results indicate a direct relationship between clear-air equivalent (CAE) sulfate concentrations in cloud water and cloud droplet concentrations, an indirect relationship between droplet number and droplet size, a direct relationship between droplet size and snowfall rate, and an indirect relationship between CAE sulfate concentration and snowfall rate.
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