IAOOS microlidar-on-buoy development and first atmospheric observations obtained during 2014 and 2015 arctic drifts.
IAOOS microlidar-on-buoy development and first atmospheric observations obtained during 2014 and 2015 arctic drifts.
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IAOOS 浮标微型激光雷达的开发和在 2014 年和 2015 年北极漂移期间获得的首次大气观测。
DOI：
10.1364/oe.25.000a73
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发表时间：
2017
期刊：
影响因子：
3.8
通讯作者：
C. Provost
中科院分区：
文献类型：
--
作者：
Vincent Mariage;J. Pelon;F. Blouzon;S. Victori;N. Geyskens;N. Amarouche;C. Drezen;A. Guillot;M. Calzas;Magali Garracio;Nicolas Wegmuller;N. Sennéchael;C. Provost
2015年，在法国AEEX IAOOS项目范围内，首次在北极观测浮标上实施了自主气溶胶和云后向散射激光雷达（光探测和测距）系统的现场测试。环境和业务的限制，满足了采用的概念，光纤微焦耳激光雷达系统使用激光二极管。两个系统已经开发出具有和不具有偏振分析能力。一个特定的光学设计用于偏振歧视。这些系统被集成到浮标中，并于2014年和2015年在纬度高于80°N的北极地区进行了测试。数据通过铱空间链路传输。在2014年的8个月里，当第一个装备齐全的浮标从靠近北极的Barneo Russian营地漂向斯瓦尔巴群岛时，90%的时间都是从非极化系统中获得的。2015年冬季，在挪威N-ICE活动期间，在斯瓦尔巴特群岛北部对偏振系统进行了短时间的测试。在2014年4月和5月，无人值守的激光雷达测量结果显示出现了大量的气溶胶和霾。在此期间，非多云廓线的平均衰减散射比约为2.2。气溶胶可以达到平均5公里的高度，而在其余的时间内，低空云（低于1000米）占主导地位，平均衰减散射比约为103。在这里提出的主要特点的激光雷达仪器和第一个结果。
The in situ tests of first ever autonomous aerosol and cloud backscatter LIDAR (light detection and ranging) systems implemented on buoys for Arctic observations has been achieved in 2015 within the French EQUIPEX IAOOS project. The environmental and operational constraints were met by adopting a concept of a fibered microjoule lidar system using a laser diode. Two systems have been developed with and without polarization analysis capability. A specific optical design was used for polarization discrimination. These systems were integrated in buoys and tested in the Arctic in 2014 and 2015 at latitudes higher than 80°N. Data were transmitted through an Iridium space link. Measurements have been obtained 90% of the time from the non-polarized system in 2014 over 8 months as the first fully equipped buoy drifted from the Barneo Russian camp close to the North Pole toward Svalbard. A polarized system was then tested over a short period in winter 2015 north of Svalbard during the Norwegian campaign N-ICE. In April and May 2014, the unattended lidar measurements showed a large occurrence of aerosols and haze. The average attenuated scattering ratio for non-cloudy profiles during this period was about 2.2. Aerosols could reach an altitude of 5km on average, whereas over the rest of the period low level clouds (below 1000 m) were prevailing with an average attenuated scattering ratio of about 103. The main features of the developed lidar instruments and first results are presented here.