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首页> 外文会议>International Conference on Nucleation and Atmospheric Aerosols >Droplet Sizes of Activated CCN Measured at Noto Peninsula, Japan, in Autumn 2012
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Droplet Sizes of Activated CCN Measured at Noto Peninsula, Japan, in Autumn 2012

机译：在2012年秋天，在日本Noto半岛测量的激活CCN液滴尺寸

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The size of cloud droplets is one of the important factors that controls the radiative properties and lifetimes of clouds. In this study, we conducted in-situ measurement of CCN activity of submicrometer-sized aerosols and related droplet growth kinetics in East Asia, in order to identify factors that can potentially influence the initial cloud droplet growth in the most CCN dense region. The diameters of cloud droplets were measured by using cloud condensation nuclei counter (CCNC) at Suzu, Noto Peninsula (37.45°N, 137.36°E) in October, 2012. CCNC was operated at four different supersaturation conditions (SS=0.1%, 0.2%, 0.5%, 0.8%). The diameters of cloud droplets activated from ambient aerosols were compared to those activated from ammonium sulfate. The negative correlations were found between the cloud droplets' diameters and organic aerosol mass fractions. The initial growth rates of cloud droplets activated from ambient aerosols were considered to be inhibited by the existence of organics especially under the lower supersaturation conditions (SS=0.1% and 0.2%).
机译：云液滴的大小是控制云辐射性能和云的寿命的重要因素之一。在这项研究中，我们对东亚的潜力计大小的气溶胶和相关液滴生长动力学的CCN活性进行了原位测量，以识别可能影响最致密的区域中最初的云液滴生长的因素。通过在2012年10月在苏祖，Noto半岛（37.45°N，137.36°E）的云凝结核计数器（CCNC）测量云液滴的直径。CCNC在四种不同的过饱和条件下操作（SS = 0.1％，0.2 ％，0.5％，0.8％）。将由环境气溶胶激活的云液滴的直径与由硫酸铵活化的那些进行比较。在云液滴直径和有机气溶胶质量级分之间发现了负相关性。从环境激活气溶胶云滴的初始生长速率被视为是由有机物的存在特别是在较低的过饱和条件（SS = 0.1％和0.2％）的抑制。

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