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Observed Changes in Atmospheric Boundary Layer Properties at Memphis International Airport During August 1995
| 题名： | Observed Changes in Atmospheric Boundary Layer Properties at Memphis International Airport During August 1995 |
| 作者： | Zak, J. Allen; Rodgers, William G., Jr. |
| 关键词： | international；observe；boundary；proper；change；layer；measurement；pert；sphe；eric |
| 摘要： | As part of the NASA Terminal Area Productivity Program, Langley Research Center embarked on a series of field measurements of wake vortex characteristics and associated atmospheric boundary layer properties. One measurement period was at the Memphis International Airport in August 1995. Atmospheric temperature, humidity, winds, turbulence, radiation, and soil properties were measured from a variety of sensor systems and platforms including sodars, profilers, aircraft and towers. This research focused on (1) changes that occurred in tower data during sunrise and sunset transitions, (2) vertical variation of temperature and cross-head winds at selected times utilizing combinations of sensors, and (3) changes measured by an OV-10 aircraft during approaches and level flights. Significant but not unusual changes are documented and discussed in terms of expected boundary layer behavior. Questions on measurement and prediction of these changes from existing and near-term capabilities are discussed in the context of a future Aircraft Vortex Spacing System. |
| 报告类型： | 科技报告 |
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