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首页> 外文期刊>Atmospheric research >On the submicron aerosol distributions and CCN activity in and around the Korean Peninsula measured onboard the NASA DC-8 research aircraft during the KORUS-AQ field campaign
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On the submicron aerosol distributions and CCN activity in and around the Korean Peninsula measured onboard the NASA DC-8 research aircraft during the KORUS-AQ field campaign

机译：在朝鲜半岛及其周围的亚马逊气溶胶分布和CCN活动上，在Korus-AQ现场运动期间测量了NASA DC-8研究飞机上的船上

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Aerosol and CCN number concentrations, and aerosol size distributions in and around the Korean Peninsula were measured onboard the NASA DC-8 research aircraft during the KORUS-AQ campaign in May and June of 2016. The average and standard deviation values of total aerosol number concentrations (diameter 10 nm, N-CN10) in the boundary layer (below 1 km altitude) over Seoul, the Korean Peninsula, the Yellow Sea, the East Sea, and the South Sea were 12,318 7808, 10,721 +/- 8636, 7599 +/- 8583, 5759 +/- 6051, and 4186 +/- 4777 cm(-3), respectively. Corresponding values for CCN number concentration at 0.6% supersaturation (N-CCNO6) were 3358 +/- 1916, 3613 +/- 2242, 3422 +/- 1707, 2313 +/- 1039, and 1819 1328 cm(-3), respectively. N-CN10 was highly variable according to region and period. In contrast, N-CCNO6 was relatively invariant regardless of region and period. With the PMF analysis on the aircraft measured aerosol size distribution and N-CCNO6 data, it was found that aerosol size distributions were composed of several distinct modes and they were different depending on regions. The aerosol hygroscopicity parameter K was also estimated based on the PMF analysis results. The estimated K values over Seoul, the Korean Peninsula, and the Yellow Sea were 0.11, 0.11, and 0.36, respectively. Lastly, the CCN closure experiments indicated that CCN concentration could be successfully estimated with the aerosol size distribution data and the estimated K information from the aircraft measurements. Overall, it was demonstrated that PMF analysis technique could be applied to extract valuable information from limited aircraft measurement dataset.
机译：在2016年5月和6月6月，在康斯-AQ运动期间，在NASA DC-8研究飞机上测量了气溶胶和CCN数量和周围的气溶胶尺寸分布。总气溶胶数量浓度的平均和标准偏差值（直径> 10nm，n-cn10）在首尔，朝鲜半岛，黄海，东海和南海的边界层（低于1公里海拔）的距12,318 7808,10,721 +/- 8636,7599 +/- 8583,5759 +/- 6051和4186 +/- 4777厘米（-3）。 0.6％过饱和度（N-CCNO6）的CCN数浓度的相应值分别为3358 +/- 1916,3613 +/-2242,3022 +/-1707,3313 +/- 1039和1819 1328cm（-3） 。根据区域和时期，N-CN10高度变化。相比之下，无论区域和时期，N-CCNO6都相对不变。通过对飞机上的PMF分析测量气溶胶尺寸分布和N-CCNO6数据，发现气溶胶尺寸分布由几种不同的模式组成，因此根据区域不同。还基于PMF分析结果估计气溶胶吸湿性参数k。估计的K值，朝鲜半岛和黄海分别为0.11,0.11和0.36。最后，CCN闭合实验表明，可以通过气溶胶尺寸分布数据和来自飞机测量的估计的K信息来成功估计CCN浓度。总的来说，证明PMF分析技术可以应用于从有限的飞机测量数据集中提取有价值的信息。

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