期刊
JOURNAL OF ATMOSPHERIC AND OCEANIC TECHNOLOGY
卷 35, 期 8, 页码 1621-1631出版社
AMER METEOROLOGICAL SOC
DOI: 10.1175/JTECH-D-17-0186.1
关键词
Atmosphere; Wind; Aircraft observations; In situ atmospheric observations
资金
- Ministry of Education, Culture, Sports, Science, and Technology (MEXT), Japan
Small unmanned aerial vehicles (UAVs), also known as drones, have recently become promising tools in various fields. We investigated the feasibility of wind vector profile measurement using an ultrasonic anemometer installed on a 1-m-wide hexarotor UAV. Wind vectors measured by the UAV were compared to observations by a 55-m-high meteorological tower, over a wide range of wind speed conditions up to 11 m s(-1), which is a higher wind speed range than those used in previous studies. The wind speeds and directions measured by the UAV and the tower were in good agreement, with a root-mean-square error of 0.6 m s(-1) and 12 degrees for wind speed and direction, respectively. The developed method was applied to field meteorological observations near a volcano, and the wind vector profiles, along with temperature and humidity, were measured by the UAV for up to an altitude of 1000 m, which is a higher altitude range than those used in previous studies. The wind vector profile measured by the UAV was compared with Doppler lidar measurements (collected several kilometers away from the UAV measurements) and was found to be qualitatively similar to that captured by the Doppler lidar, and it adequately represented the features of the atmospheric boundary layer. The feasibility of wind profile measurement up to 1000 m by a small rotor-based UAV was clarified over a wide range of wind speed conditions.
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