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首页> 外文会议>PIAGENG 2009;International conference on photonics and image in agriculture engineering >Observations of Cloud Condensation Nuclei in Mt. Huang: Instrumentation and early observations
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Observations of Cloud Condensation Nuclei in Mt. Huang: Instrumentation and early observations

机译：太原山凝云核的观测。黄：仪器和早期观察

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摘要

A new commercial instrument for measuring Cloud Condensation Nuclei (CCN), the Droplet Measurement Technologies Cylindrical Continuous-Flow Streamwise Thermal Gradient CCN Chamber (CFSTGC), installed on Mount Huang meteorological station (30°19'N, 118°14'E, 1840m above sea level) from 16 April to 28 July 2008. This instrument can measure CCN concentrations at supersaturations from 0.1% to 2% (potentially up to 6%), as well as a 1 Hz sampling rate that is sufficient for ground-based or airborne platform operation. The instrument records data continuously at 1-second intervals 24 hours a day. For the 98-day, continuous study the average CCN concentration was found to range between a few hundred and a few thousand nuclei per cm~3 at supersaturations between 0.3 and 1%. Diurnal variations were observed, as well as other possible influences, such as wind speed, wind direction and mixing depth. At a constant supersaturation of 0.5% the CCN concentration is typically on the order of 361 to 2297 nuclei per cm~3. A description of the instrumentation and early observations are presented and discussed.
机译：一种新的测量云凝结核（CCN）的商业仪器，液滴测量技术圆柱连续流沿流热梯度CCN室（CFSTGC），安装在黄山气象站（30°19'N，118°14'E，1840m）从2008年4月16日至7月28日。机载平台操作。仪器每天24小时以1秒的间隔连续记录数据。在为期98天的连续研究中，发现过饱和度在0.3％至1％之间时，平均CCN浓度范围为每cm〜3几百至几千个核。观察到昼夜变化以及其他可能的影响，例如风速，风向和混合深度。在0.5％的恒定过饱和度下，CCN浓度通常约为每cm〜3 361到2297个核。介绍并讨论了仪器和早期观测的描述。

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