青岛近海海域气溶胶干沉降通量模拟研究 Ⅰ—Williams干沉降模型中潮湿粒子增长效应的改进Estimation of Dry Deposition Fluxes of Aerosol Particles in the Qingdao Area Ⅰ: An Improvement on the Growth Effect of Wet Particles in Williams' Model
祁建华,李培良,李先国,冯丽娟,张曼平
摘要(Abstract):
为了计算青岛近海海域气溶胶粒子的干沉降通量,运用Gerber提出的湿度公式改进了Williams干沉降模型中湿度计算方法,使模型具有更加广泛的使用范围。利用改进后的模型讨论了湿度、风速、水气温差、破碎表面的转移系数和横向转移系数对不同粒径气溶胶粒子干沉降速率的影响。计算了不同粒径粒子的干沉降速率,并与干沉降速率的文献报道进行了比较。结果显示:改进的模型更适合于估算实际区域的气溶胶干沉降通量,可用于青岛近海干沉降通量的研究。
关键词(KeyWords): Williams模型;干沉降通量;青岛
基金项目(Foundation): 国家自然科学基金项目 (499760 2 0 ,40 4 90 2 62 )资助
作者(Author): 祁建华,李培良,李先国,冯丽娟,张曼平
DOI: 10.16441/j.cnki.hdxb.2005.03.019
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