In situ aerosol measurements taken during the 2007 COPS field campaign at the Hornisgrinde ground site
In situ aerosol measurements taken during the 2007 COPS field campaign at the Hornisgrinde ground site
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2007 年 COPS 现场活动期间在 Hornisgrinde 地面现场进行的原位气溶胶测量
DOI：
10.1002/qj.727
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发表时间：
2011
影响因子：
8.9
通讯作者：
Jones H
中科院分区：
文献类型：
--
作者：
Jones H
对流和地形诱导降水研究（COPS）活动于2007年夏季进行。位于德国西南部黑森林地区Hornisgrinde山顶（1156米）的一套仪器提供了数据集，可以对COPS期间采样的气溶胶颗粒的物理，化学和吸湿性进行调查。在项目的大部分时间里，有机质量负荷占主导地位，在高压、高温和低风速期间超过8 µg m− 3。在同一时间段内，有机物：硫酸盐亚微米质量浓度的比率超过10：1。反向轨迹显示，这段时间内的空气缓慢地经过当地森林，而没有经过任何当地的人为来源。硝酸盐质量负荷的偶尔峰值与空气经过斯图加特地区时典型风向从西南向西北的变化有关。粒径分布数据显示，当测量地点没有降水事件时，主要的积累模式。一个急剧增加的超细粒子数浓度在大多数日子开始中午左右。这些颗粒的明显增长与有机质量负荷的增加有关，表明冷凝生长。在大多数情况下，除了高压时期，COPS期间记录的气溶胶特性与以前对大陆气溶胶特性的研究相当。皇家气象学会
The Convective and Orographically‐induced Precipitation Study (COPS) campaign was conducted during the summer of 2007. A suite of instruments housed at the top of the Hornisgrinde Mountain (1156 m) in the Black Forest region of south‐west Germany provided datasets that allow an investigation into the physical, chemical and hygroscopic properties of the aerosol particles sampled during COPS. Organic mass loadings were found to dominate the aerosol composition for the majority of the project, exceeding 8 µg m−3during a period of high pressure, high temperature, and low wind speed. The ratio of organic:sulphate sub‐micron mass concentration exceeds 10:1 during the same time period. Back trajectories show air from this time‐frame passing slowly over the local forest and not passing over any local anthropogenic sources. Occasional peaks in nitrate mass loadings were associated with changes in the typical wind direction from south‐westerly to north‐westerly where air had passed over the Stuttgart region. Size distribution data shows a dominant accumulation‐mode when the measurement site was free from precipitation events. A sharp increase in ultrafine particle number concentration was seen during most days commencing around noon. The apparent growth of these particles is associated with an increase in organic mass loading, suggesting condensational growth. For the most part, with the exception of the high pressure period, the aerosol properties recorded during COPS were comparable to previous studies of continental aerosol properties. Copyright © 2011 Royal Meteorological Society
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DOI：
10.1175/2008bams2367.1
发表时间：
2008-10
期刊：
--
影响因子：
--
作者：
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影响因子：
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作者：
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通讯作者：
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DOI：
--
发表时间：
2009
期刊：
影响因子：
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作者：
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影响因子：
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作者：
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DOI：
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发表时间：
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作者：
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