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An air craft observation of trace gaseous species and aerosols in the East China Sea area

机译：东海地区痕量气态物种及气溶胶的空气工艺观察

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An air craft observation of trace gaseous species and aerosols in the East China sea area was carried out in March 2001. The air craft flied from the Nagasaki air port to the sea area south to the Cheju Island via the Fukue Island. The flight heights were chosen to be about 3000m and 500 m in order to observe the concentration of air pollutants over and under the clouds (in the free troposphere and in the marine boundary layer). The observed gases were ozone, NOy, SO2, PAN (Peracetylnitrate) and hydrocarbon. The number density and the weight concentration of the aerosols were also monitored and the chemical compositions of aerosols sampled by the high volume sampler were analyzed. The high concentrations of SO2 and NOy were observed at the altitude of 500 m on 21 March. On the same day, large particles, which were considered to be yellow sands, were also observed in the sea area south to the Cheju Island. On the next day, large particles were observed near the Fukue Island. These observations were consistent to the weather change and to the satellite information from the SeaWiFS.
机译：2001年3月开展了东海地区痕量气态物种和气溶胶的空气工艺观察。航空工艺从长崎航空港飞往海区到南海峡岛屿。选择飞行高度为约3000米和500米，以观察云（在自由对流层和海洋边界层中的空气污染物浓度）。观察到的气体是臭氧，NOY，SO2，锅（哌酰乙酸）和烃。还监测了气溶胶的数量密度和重量浓度，并分析了高体积采样器采样的气溶胶的化学成分。 3月21日在500米的高度观察到高浓度的SO2和NOY。在同一天，在南到Cheju岛的海域也观察到大颗粒，被认为是黄色的砂。在第二天，在Fukue岛附近观察到大颗粒。这些观察结果与来自海盗的天气变化和卫星信息一致。

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