Collaborative Research: Deep Propagating Gravity Wave (DEEPWAVE)

合作研究：深度传播重力波（DEEPWAVE）

• 批准号: 1338666
• 负责人: Michael Taylor
• 金额: $ 42.5万
• 依托单位: Utah State University
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 2014
• 资助国家: 美国
• 起止时间: 2014-02-01 至 2019-07-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1338666&HistoricalAwards=false
• 关键词: Collaborative; Research; Deep; Propagating; Gravity

DEEP propagating gravity WAVE (DEEPWAVE) is an interdisciplinary project addressing the propagation and effects of gravity waves (GW) extending from their generation in the troposphere to their breakdown in the mesosphere and lower thermosphere (MLT). The project is designed by experts on the MLT and the lower atmosphere. These research communities have not worked closely together before, but a coupled approach is required to address these dynamics in a comprehensive and consistent manner. GWs strongly influence the dynamics and climate throughout the atmosphere. DEEPWAVE will provide a more complete understanding of GW generation, propagation, breakdown, and energy and momentum transport in the presence of large topography, cyclones, and strong wind shears than has been possible previously. At the core of the project is a 6-week deployment of the NSF Gulfstream V (GV) research aircraft to Christchurch in June and July 2014. The GV flights will take place over mountain wave locations over and downwind of New Zealand, Tasmania, and islands in the Southern Ocean as well as the southern circumpolar jet that is an additional strong GW source. Recent satellite remote sensing has identified this region as a primary global "hotspot" of GWs reaching high altitudes. Using the GV in situ instruments, dropsondes, and three new airborne remote sensing instruments, nearly the full vertical propagation path of GWs can be observed. The GV will fly at altitudes from 9-13 km with in situ instruments observing the structure and fluxes of GWs up to ~18 km. On the GV, high-power Rayleigh and Na resonance lidars and an advanced mesospheric temperature mapper (AMTM) will map out GW structures from ~15 to 100 km. These state-of-the-art measurements will be supplemented by ground-based balloon and remote sensing instruments. This 4-year research program includes DEEPWAVE measurements in 2014, and extensive analysis efforts and associated modeling to quantify the observed dynamics thereafter. All DEEPWAVE data will be made available in a timely fashion. In addition to the investigators supported by this collaborative award, participants supported by NRL as well as international collaborators from New Zealand, Australia, Canada, Germany and the UK will be closely involved in the DEEPWAVE project.

深传播重力波（DEEPWAVE）是一个跨学科的项目，解决重力波（GW）的传播和影响，从它们在对流层中的产生，到它们在中间层和低热层（MLT）中的破裂。该项目由MLT和低层大气专家设计。这些研究界以前没有密切合作过，但需要采取一种综合办法，以全面和一致的方式应对这些动态。GWs强烈地影响整个大气的动力学和气候。DEEPWAVE将提供一个更完整的了解GW的产生，传播，故障，以及能量和动量传输存在的大地形，气旋，强风切变比以前可能。该项目的核心是在2014年6月和7月将NSF湾流V（GV）研究飞机部署到基督城，为期6周。GV飞行将在新西兰，塔斯马尼亚岛和南大洋岛屿的山波位置和顺风以及南部绕极急流上进行，这是一个额外的强大GW源。最近的卫星遥感已确定这一地区作为一个主要的全球“热点”的全球Ws达到高海拔。 使用GV原位仪器、下投式探空仪和三种新的航空遥感仪器，几乎可以观测到GW的整个垂直传播路径。 GV将在9-13公里的高度飞行，使用现场仪器观测高达~18公里的全球Ws的结构和通量。在GV上，高功率瑞利和钠共振激光雷达和先进的中间层温度测绘仪（AMTM）将绘制从15公里到100公里的GW结构。这些最先进的测量将由地面气球和遥感仪器加以补充。 这项为期4年的研究计划包括2014年的DEEPWAVE测量，以及广泛的分析工作和相关建模，以量化此后观察到的动态。所有DEEPWAVE数据将及时提供。除了这项合作奖支持的研究人员外，NRL支持的参与者以及来自新西兰，澳大利亚，加拿大，德国和英国的国际合作者将密切参与DEEPWAVE项目。