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| MAGNETOSPHERIC IONIZATION AND ENERGY DEPOSITION IN TITAN’S UPPER ATMOSPHERE | |
| 项目编号 | NNX14AH81G S01 |
| DARCI SNOWDEN | |
| 项目主持机构 | CENTRAL WASHINGTON UNIVERSITY |
| 开始日期 | 2014-04-17 |
| 结束日期 | 2018-04-16 |
| 英文摘要 | The increasing concentration of carbon dioxide in the atmosphere is changing the earth’s climate. Climate change will cause periods of extremely high daily temperatures, increase the frequency of heavy rainfall, intensify droughts, increase the maximum wind speed of cyclones, and cause sea levels to rise. The unavailability of low-cost, high-performance atmospheric carbon dioxide analyzers constrains the efforts of environmental scientists to monitor carbon dioxide at local, regional, and global scales with the coverage needed to advance our understanding of climate change processes.The project is developing a new sensor technology that can measure carbon dioxide levels with precision that matches or exceeds the state-of-the-art performance, but will reduce the price dramatically, and will for the first time enable instruments deployed in remote locations to operate unattended for long periods of time. A laboratory prototype was designed, constructed, and demonstrated. It exceeded the performance objectives for Phase 1 by a wide margin and clearly proved the feasibility of the proposed approach. In the first year, engineering prototypes will be constructed to address remaining design questions and verify robustness for unattended operation; the capability to measure water vapor concentration in air will also be added so the instrument can report the dry mole fraction of carbon dioxide in air (the amount of carbon dioxide per amount of dry air). In the second year, manufacturing prototypes will be constructed to validate manufacturing approaches suitable for high-volume, low-cost production and to enable testing under extreme environmental conditions. Commercial Applications and Other Benefits: Government and university scientists will deploy the proposed analyzers in distributed networks to measure carbon dioxide in the atmosphere at local, regional, and global scales. These instruments will benefit the public by collecting the information needed to formulate policies that efficiently mitigate the impacts of climate change while minimizing the cost to society. |
| 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/74689 |
| 推荐引用方式 GB/T 7714 | DARCI SNOWDEN.MAGNETOSPHERIC IONIZATION AND ENERGY DEPOSITION IN TITAN’S UPPER ATMOSPHERE.2014. |
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