MODIS/Aqua Surface Reflectance Quality Daily L2G Global 1km SIN Grid NRT

The MODIS/Aqua Surface Reflectance Quality Daily L2G Global 1km SIN Grid Near Real Time (NRT) product, short name MYD09GST, is a restructured version of its primary input, the state QA data in MYD09_L2. This product summarizes the quality of the MYD09 products, specifically atmospheric and other correction states. The product contains quality assurance data pertaining to cloud and cloud shadow, land and water designations, aerosols, and the data source of corrections performed on the file. The data set also contains the number of observations for each pixel.

MODIS/Aqua 表面反射率质量每日 L2G 全球 1km SIN 网格近实时（NRT）产品，简称 MYD09GST，是其主要输入数据——MYD09_L2 中的状态质量评估数据的重构版本。该产品概述了 MYD09 产品质量，尤其是大气及其他校正状态。产品中包含了与云及其阴影、陆地和水域标识、气溶胶以及文件中执行校正的数据源相关的质量保证数据。此外，该数据集还包含了每个像素的观测次数。