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项目编号 | 1636799 |
Physics and Dynamics of the Tropical Cyclone Cirrus Canopy | |
John Molinari | |
主持机构 | SUNY at Albany |
项目开始年 | 2017 |
2017-04-01 | |
项目结束日期 | 2020-03-31 |
资助机构 | US-NSF |
项目类别 | Continuing grant |
项目经费 | 192586(USD) |
国家 | 美国 |
语种 | 英语 |
英文摘要 | The proposed work seeks to improve understanding of the dynamics and thermodynamics of tropical cyclones (TCs), with a specific emphasis on hurricanes and tropical storms in the Atlantic Ocean basin, specifically within the upper troposphere/cirrus canopy. The team proposes to elucidate the factors controlling diurnal pulses in convection within the canopy (and possibly rainfall within the TC), which is an interesting and relatively new question within the tropical cyclone research community, and one that may have interesting implications for TC track and intensity forecasts. The team proposes to use a hierarchy of numerical models to investigate the sources and consequences of upper tropospheric stability; especially the use of existing and under-utilized observations from the NASA Global Hawk and NOAA G-IV. This work will involve the training of several graduate students; with a goal to recruit students from underrepresented groups. The societal benefit of this study is through the potential improvements to hurricane track and intensity forecasts. This study seeks to utilize a large set of airborne observations and numerical models to study the physics of high clouds associated with tropical cyclones. The observations comprise under-utilized flight-level turbulence data from the NOAA G-IV aircraft, dropsondes from the G-IV and the NASA Global Hawks. This study will describe the distribution of turbulence, low Richardson number, and multiple tropopause structures in tropical cyclones. The emphasis will be on differences within and beyond the high clouds and with respect to time of day. The study will also evaluate daily variations, with focus on the recently discovered, outward-propagating pulses of high cloudiness. |
来源学科分类 | Geosciences - Atmospheric and Geospace Sciences |
文献类型 | 项目 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/70925 |
专题 | 环境与发展全球科技态势 |
推荐引用方式 GB/T 7714 | John Molinari.Physics and Dynamics of the Tropical Cyclone Cirrus Canopy.2017. |
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