Mesoscale Gravity Wave Vertical Structure and Excitation Mechanisms in STORM-FEST

STORM-FEST中尺度重力波垂直结构和激发机制

• 批准号: 9319345
• 负责人: Steven Koch
• 金额: $ 39.94万
• 依托单位: North Carolina State University
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 1994
• 资助国家: 美国
• 起止时间: 1994-05-15 至 1997-10-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9319345&HistoricalAwards=false
• 关键词: Mesoscale; Gravity; Wave; Vertical; Structure

9319345 Koch Mesoscale atmospheric gravity waves can have a significant effect upon the weather. Cases have been documented where solitary waves were accompanied by localized pressure falls of 11 mb, winds in excess of 30 m/sec and blizzard type conditions. The first objective of the Principal Investigator is to construct a climatology of mesoscale gravity waves using data collected during the Stormscale-Fronts Experiment, Systems Test. The research will consist of cross spectral and other statistical analyses to reveal the environmental circumstances under which mesoscale gravity waves develop in wintertime baroclinic systems. The second objective is to use a case study approach to investigate the vertical structure of mesoscale gravity waves. The evolving wave structure will be related to changes in the surrounding environment, in particular wave ducting properties. ***

9319345 Koch 中尺度大气重力波对天气有显着影响。 据记录，孤立波伴有 11 mb 的局部压降、超过 30 m/s 的风速和暴风雪类型的条件。 首席研究员的第一个目标是利用风暴鳞锋实验、系统测试期间收集的数据构建中尺度重力波的气候学。 该研究将包括交叉光谱和其他统计分析，以揭示冬季斜压系统中中尺度重力波形成的环境条件。 第二个目标是使用案例研究方法来研究中尺度重力波的垂直结构。 不断演变的波浪结构将与周围环境的变化有关，特别是波导特性。 ***