MCD43A2: MODIS/Terra and Aqua BRDF/Albedo Quality Daily L3 Global 500 m SIN Grid Version 6

The MODerate-resolution Imaging Spectroradiometer (MODIS) BRDF/Albedo Model Parameters product (MCD43A1) contains three-dimensional (3D) data sets providing users with weighting parameters for the models used to derive the Albedo and BRDF products (MCD43A3 and MCD43A4). The models support the spatial relationship and parameter characterization best describing the differences in radiation due to the scattering (anisotropy) of each pixel, relying on multi-date, atmospherically corrected, cloud-cleared input data measured over 16-day periods. The MCD43A2 contains individual band quality and observation information for the MODIS "land" bands 1-7. The MCD43C1 through MCD43C4 products each contain 16 days of data provided in a level-3 data set projected to a 0.05 (5,600 meters) latitude/longitude Climate Modeling Grid (CMG).

Both Terra and Aqua data are used in the generation of the products, providing the highest probability for quality input data and designating it as an MCD, meaning Combined, product.

Information on individual MODIS BRDF/Albedo Products is available at: https://lpdaac.usgs.gov/dataset_discovery/?f[0]=im_field_dataset_version%3A32&f[1]=im_field_product%3A3&f[2]=im_field_pixel_size%3A47&amp%3Bf[1]=im_field_product%3A3&amp%3Bf[2]=im_field_spatial_extent%3A50&amp%3Bf[3]=im_field_pixel_size%3A47.

中分辨率成像光谱仪（Moderate-resolution Imaging Spectroradiometer，MODIS）双向反射分布函数（Bidirectional Reflectance Distribution Function，BRDF）/反照率模型参数产品（MCD43A1）包含三维数据集，可为用户提供用于反演反照率与BRDF产品（MCD43A3、MCD43A4）的模型权重参数。该模型依托16天周期内获取的多时序、经大气校正且已去云的输入数据，可最优表征因各像元散射（各向异性）导致的辐射差异所需的空间关系与参数特征。
MCD43A2包含MODIS陆地波段1至7的单波段质量与观测信息。MCD43C1至MCD43C4系列产品均包含16天的数据集，以三级数据集形式发布，投影至分辨率为0.05°（5600米）的经纬度气候建模网格（CMG）。
本系列产品的生成同时使用Terra与Aqua卫星的数据，以最高概率保障输入数据的质量，此类产品被归类为MCD，即联合产品。
有关MODIS BRDF/反照率各单品的详细信息可访问：https://lpdaac.usgs.gov/dataset_discovery/?f[0]=im_field_dataset_version%3A32&f[1]=im_field_product%3A3&f[2]=im_field_pixel_size%3A47&amp%3Bf[1]=im_field_product%3A3&amp%3Bf[2]=im_field_spatial_extent%3A50&amp%3Bf[3]=im_field_pixel_size%3A47.