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Review of Lidar-Based Applications for Aviation Weather

机译:审查基于LIDAR的航空天气申请

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摘要

Measurements collected by Leosphere Doppler lidars were reviewed to study meteorological processes such as wind shear, wind profiles, gust fronts, and wake vortices over airports. First, the basic concepts of lidar are discussed, then its use for wind environments with respect to high-impact weather events is presented. Issues related to previous definitions of wind-related algorithms and criteria are summarized to validate the use of Doppler lidar for clear-air environmental conditions. Based on International Civil Aviation Organization (ICAO) criteria that use a 500-m height threshold in the vertical for wind warning conditions, this work suggests that use of Doppler lidars can significantly improve the safety of flight environments along landing and takeoff corridors at airports by providing warnings to pilots and ground crew and optimizing air-traffic management. The wind measurements from the lidars are found to be accurate to 0.1ms(-1), and use of Doppler lidars can increase the probability of detection of wind-related severe weather conditions by up to 50% beyond the 500m of the atmospheric boundary layer (ABL).
机译:综述了Leophere多普勒利德尔雷达收集的测量,以研究气象过程,如风剪,风廓线,阵风,以及机场的尾气漩涡。首先,讨论了激光雷达的基本概念,然后提出了对高冲击天气事件的风环境的用途。总结了与对有关算法和标准的先前定义相关的问题,以验证多普勒利达的使用进行透明环境条件。基于国际民用航空组织(ICAO)标准,在垂直警告条件下使用500米高度门槛的标准,这项工作表明,多普勒利兹的使用可以显着提高机场登陆和起飞走廊的飞行环境的安全性向飞行员和地面船员提供警告,优化空中交通管理。发现LIDAR的风测量值为0.1ms(-1)(-1),并且使用多普勒LIDARS可以通过高达50%的大气边界层检测风相关的恶劣天气条件的可能性高达50% (ABL)。

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