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首页> 外文期刊>Journal of Geophysical Research. Biogeosciences >GAS-TO-PARTICLE CONVERSION OF TROPOSPHERIC SULFUR AS ESTIMATED FROM OBSERVATIONS IN THE WESTERN NORTH PACIFIC DURING PEM-WEST B
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GAS-TO-PARTICLE CONVERSION OF TROPOSPHERIC SULFUR AS ESTIMATED FROM OBSERVATIONS IN THE WESTERN NORTH PACIFIC DURING PEM-WEST B

机译：西北太平洋西风期间BEM观测观测到的对流硫的气-气转化

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Aircraft observations during the Pacific Exploratory Mission in the western Pacific Ocean, phase B (PEM-West B), taken in February-March 1994, have been used to constrain a numerical model that calculates local concentrations of gaseous H2SO4, rates of homogeneous nucleation, and concentrations of newly formed, nanometer-sized particles. The data was selected from 13 flights over the western Pacific Ocean that covered an altitude range from the boundary layer (BL) to the upper troposphere (UT) and latitudes from 10 degrees S to 60 degrees N. The largest nucleation rates were calculated for the data from the flights over the temperate latitudes (lambda>30 degrees N). Within these latitudes, homogeneous nucleation rates averaged about 1-100 particles cm(-3) s(-1). Significantly smaller nucleation rates were calculated for the tropical (lambda<20 degrees N and subtropical (20 degrees N
机译：1994年2月至3月，在西太平洋太平洋探索任务B期（PEM-West B）期间进行的飞机观测已被用于约束一个数值模型，该模型计算气态H2SO4的局部浓度，均匀成核率，以及新形成的纳米级颗粒的浓度。数据选自西太平洋上空的13个航班，覆盖了从边界层（BL）到对流层上层（UT）的高度范围，以及纬度从10°S至60°N。来自温带纬度（λ> 30度北）的飞行数据。在这些纬度内，均匀成核速率平均约为1-100个粒子cm（-3）s（-1）。对于热带地区（lambda <20度N和亚热带地区（20度N

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