Collaborative Research: Three-Dimensional Cloud-Resolved Simulations of Trace Gas Transport, Lightning NOx Production, and Photochemistry in Observed Deep Convection

将对STERAO-A期间的风暴进行三维模式模拟(平流层-对流层实验：辐射、气溶胶和臭氧，1996)。这一实地项目的目标是研究对流风暴中的痕量气体输送、氮氧化物的闪电产生和光化学。EULINOX(欧洲闪电NOx)项目的事件也将被模拟。戈达德积云集合(GCE)模型将被修改，以允许非均匀初始条件和地形的考虑。将建立一个由三维云模型产生的数据场驱动的三维云尺度化学物质输送模式。CTM将包括平流方案、光化学解算器和机制、云扰动光解方案、闪电NOx参数化算法和湿清除方案。使用3-D GCE模型将尽可能接近地复制观测到的云动力学和微物理的特征。将对雷暴中痕量气体的对流再分配进行模拟。对于闪电NOx，将使用模型中观察到的闪光率和位置的方法。闪电分析的目标将是更好地确定每一次闪电产生的NO的数量。这个项目是与马里兰大学的肯尼斯·皮克林合作的，学院公园，ATM-9912336。

Three-dimensional model simulations will be performed of storms during STERAO-A (Stratosphere-Troposphere Experiments: Radiation, Aerosols, and Ozone, 1996). The objectives of this field project were to examine trace gas transport, lightning production of nitrogen oxides (NOx), and photochemistry in convective storms. Events from the EULINOX (European Lightning NOx) project will also be simulated. The Goddard Cumulus Ensemble (GCE) model will be modified to allow nonuniform initial conditions and consideration of terrain. A 3-D cloud-scale chemical transport model will be constructed, to be driven by data fields generated by the 3-D cloud model. The CTM will include an advection scheme, a photochemistry solver and mechanism, a cloud-perturbed photolysis scheme, a lightning NOx parameterization algorithm, and a wet scavenging scheme. The characteristics of the observed cloud dynamics and microphysics will be replicated as closely as possible using the 3-D GCE model. Simulations will be conducted of the convective redistribution of trace gases within the thunderstorms. For lightning NOx, the approach observed flash rates and locations in the model will be used. The goal of the lightning analysis will be to better determine the amounts of NO produced per flash. This project is a collaboration with Kenneth Pickering, University of Maryland, College Park, ATM-9912336.