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| 2011 AIRBORNE STUDY OF CLOUD-AEROSOL INTERACTIONS FELLOWSHIP | |
| 项目编号 | NNX11AK08H |
| ANTHANASIOS NENES | |
| 项目主持机构 | GEORGIA INSTITUTE OF TECHNOLOGY |
| 开始日期 | 2011-08-22 |
| 结束日期 | 2015-08-21 |
| 英文摘要 | Antarctic coastal polynas are, at the same time, sea-ice free sites and 'sea-ice factories'. They are open water surface locations where water mass transformation and densification occurs, and where atmospheric exchanges with the deep ocean circulation are established. Various models of the formation and persistence of these productive and diverse ocean ecosystems are hampered by the relative lack of in situ meteorological and physical oceanographic observations, especially during the inhospitable conditions of their formation and activity during the polar night. Characterization of the lower atmosphere properties, air-sea surface heat fluxes and corresponding ocean hydrographic profiles of Antarctic polynyas, especially during strong wind events, is sought for a more detailed understanding of the role of polynyas in the production of latent-heat type sea ice and the formation, through sea ice brine rejection, of dense ocean bottom waters A key technological innovation in this work continues to be the use of instrumented unmanned aircraft systems (UAS), to enable the persistent and safe observation of the interaction of light and strong katabatic wind fields, and mesocale cyclones in the Terra Nova Bay (Victoria Land, Antarctica) polynya waters during late winter and early summer time frames. |
| 学科分类 | 11 - 工程与技术;1107 - 航空航天工程;03 - 天文学 |
| 资助机构 | US-NASA |
| 国家 | US |
| 语种 | 英语 |
| 文献类型 | 项目 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/75561 |
| 推荐引用方式 GB/T 7714 | ANTHANASIOS NENES.2011 AIRBORNE STUDY OF CLOUD-AEROSOL INTERACTIONS FELLOWSHIP.2011. |
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