FY-4A云覆盖率产品在宁夏的检验评估及订正

袁瑞瑞, 王坤, 高睿娜

Evaluation and correction of FY-4A cloud cover fraction product in Ningxia

YUAN Ruirui, WANG Kun, GAO Ruina

图6 不同实况云量下FY-4A云覆盖率均值分布 （红色虚线是理想趋势线，即卫星云覆盖率产品与地面观测总云量均值相等）

Fig.6 Distribution of FY-4A mean cloud cover fraction under different actual cloud amounts （The red dotted line represents the ideal trend line， where the satellite cloud cover product is equal to the mean of the total cloud cover observed on the ground）