Global S&T Development Trend Analysis Platform of Resources and Environment
项目编号 | 1552264 |
CEDAR: Secondary Gravity Wave Coupling Dynamics Between the Mid-Latitude Mesosphere and Thermosphere | |
Steven Smith | |
主持机构 | Trustees of Boston University |
项目开始年 | 2016 |
2016-08-01 | |
项目结束日期 | 2018-07-31 |
资助机构 | US-NSF |
项目类别 | Standard Grant |
项目经费 | 98329(USD) |
国家 | 美国 |
语种 | 英语 |
英文摘要 | This project addresses the dynamic coupling processes between the Earth's mesosphere and thermosphere. It will yield estimates of the momentum and energy contribution by gravity wave breaking processes occurring in the mesopause region to the thermosphere. Specifically, the mesospheric secondary gravity wave momentum/energy transport and coupling processes in the Southern hemisphere's upper atmosphere will be studied. This project continues an international collaboration involving scientists from the United States and New Zealand. An undergraduate student will be involved and mentored during the project. Results will be made widely available to the scientific community and general insights communicated to the public. This work will utilize existing ground-based optical imaging, spectrometer and radar measurements combined with space-based measurements in order to investigate the occurrence and characteristics of secondary gravity wave coupling between the mesosphere and thermosphere. The project will build upon recent observations at Mt. John Observatory, New Zealand of secondary gravity waves generated by gravity waves breaking at a lower altitude region in the mesosphere near 100 km altitude. The New Zealand region is a known "hotspot" of gravity wave activity in the southern hemisphere, a region of the globe under-represented in terms of upper atmospheric observations. |
URL | 查看原文 |
文献类型 | 项目 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/69875 |
专题 | 环境与发展全球科技态势 |
推荐引用方式 GB/T 7714 | Steven Smith.CEDAR: Secondary Gravity Wave Coupling Dynamics Between the Mid-Latitude Mesosphere and Thermosphere.2016. |
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