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船上海气之间湍流通量的观测研究
胡敦欣, 赵永平, 陆蔼庆, 陈永利, 黄雅天
中国科学院海洋研究所青岛 266071

摘要:

用6个加速度计组阵系统来监测船体姿态和运动，校正船上观测到的风湍流资料，然后用涡动相关技术计算海气之间动量、热量和水汽通量。结果表明，本观测系统可精确地消除船体运动对风湍流的影响，并获得精确的海气湍流通量。

关键词: 船上海气湍流通量观测

DOI：

分类号:

基金项目:中国科学院重点项目;TOGA COARE资助

STUDY ON THE AIR-SEA TURBULENT FLUX MEASUREMENTS ON A SHIP

Hu Dunxin, Zhao Yongping, Lu Aiqing, Chen Yongli, Huang Yatian

Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071

Abstract:

The wind measurements on a ship are contaminated seriously by the ship’s motion, so the air-sea fluxes based on these data are often erroneous. In this work, a 6 accelerometer array was used to monitor the ship's movement and attitude, then the turbulent wind contaminated by irregular motion of ship was corrected. Combining the simultaneous observation of air temperature and humidity fluctuation, the sensible and latent heat fluxes between air and ocean were calculated by the eddy correlation technique. The results showed that, the system of 6 accelerometer array with the resolution ±0.lcm*s^-2/mV can accurately measure ship motion, that the true wind can be obtained by removing the velocity components caused by the ship's motion from the wind velocity observed on a ship, and that the air-sea sensible and latent heat fluxes are largely free of the ship motion contamination.

Key words: On a ship, Air-sea turbulent flux, Observation

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