Mosaic upscaling scheme subdivides a big grid into several patches and the environmental variables are evaluated separately for each patch, and then averaged.

• 而后者是根据相似性最大化原则将大尺度划分为若干个可操作的小尺度斑块，然后将计算的每个小尺度斑块的信息平均化得到大尺度所需的信息。