Total Sky Imager observations during POLARSTERN cruise PS122/5 on 2020-08-23

The dataset consist of camera shots of the sky. The camera - a total sky imager manufactured by Canon (Powershot) - was mounted at the top of the Research Vessel Polarstern. At the leg4 (from June until August 2020) of the MOSAIC experiment from Longyearbyen - Arctic Ocean this camera shots were taken with a temporal resolution between 1 minute and 16 seconds. The dataset represents the visible projection of weather conditions and cloud cover recorded on the vessel Polarstern in the direction near the zenith. These observations are useful for the interpretation of the atmospheric radiation measurements.

本数据集包含天空实拍影像。所用相机为佳能（Canon）PowerShot系列全天空成像仪（total sky imager），安装于极星号（Polarstern）科考调查船的顶部。该影像采集于MOSAIC科考实验第4航次（2020年6月至8月），该航次从朗伊尔城出发，作业区域覆盖北冰洋海域，拍摄的时间分辨率介于16秒至1分钟之间。本数据集记录了极星号科考调查船沿近天顶方向拍摄的、可反映天气状况与云量的可见影像，此类观测数据可用于辅助大气辐射测量结果的解译工作。