NASA CWIC Project

The The MODIS Near Real Time (NRT) product, MOD09Q1N provides Band 1 and 2 data at 250 meter resolution in a daily rolling 8-day gridded level-3 product in the Sinusoidal projection. Each MOD09Q1N pixel contains the best possible L2G observation during an 8-day period as selected on the basis of high observation coverage low view angle the absence of clouds or cloud shadow and aerosol loading. Science Data Sets provided for this product include reflectance values for Bands 1 and 2 and a quality rating....中分辨率成像光谱仪（MODIS）近实时（Near Real Time，NRT）产品MOD09Q1N是一款采用正弦投影（Sinusoidal projection）的每日滚动8天合成网格化三级产品，空间分辨率为250米，包含1、2波段数据。每个MOD09Q1N像素对应8天周期内的最优L2G观测数据，选取依据为高观测覆盖度、低观测天顶角、无云或云阴影以及气溶胶负荷适宜。本产品的科学数据集（Science Data Sets）包含1、2波段的反射率值与质量评级等内容。