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

合作研究：微量气体传输、闪电氮氧化物产生和观测到的深对流中光化学的三维云解析模拟

• 批准号: 0004120
• 负责人: Georgiy Stenchikov
• 金额: $ 18万
• 依托单位: Rutgers University New Brunswick
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 2000
• 资助国家: 美国
• 起止时间: 2000-09-01 至 2004-08-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0004120&HistoricalAwards=false
• 关键词: Collaborative; Research; Three; Dimensional; Cloud

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.

将在STERAO-A期间对风暴进行三维模型模拟（平流层-对流层实验：辐射、气溶胶和臭氧，1996年）。这个实地项目的目标是研究痕量气体的运输，闪电产生的氮氧化物（NOx），对流风暴中的光化学。还将模拟EULINOX（欧洲闪电氮氧化物）项目的事件。 将对戈达德积云包体（GCE）模式进行修改，以允许非均匀初始条件和考虑地形。将建立一个三维云尺度化学传输模型，由三维云模型生成的数据场驱动。CTM将包括一个平流方案，光化学求解器和机制，云扰动光解方案，闪电氮氧化物参数化算法，和湿清除计划。观测到的云动力学和微观物理学的特征将尽可能使用三维GCE模式来复制。将对雷暴内微量气体的对流再分布进行模拟。对于闪电氮氧化物，将使用模型中观察到的闪电率和位置。闪电分析的目标是更好地确定每次闪电产生的NO量。 这个项目是与肯尼思皮克林，马里兰州，学院公园，ATM-9912336大学合作。