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- Similar pattern is seen between the analysis increments in (1) the 2D-OI and (2) the SEKF.
- Note that large differences are seen in some regions due to inconsistency of snow density between the 2D-OI analysis and trajectory (lower limit of 100kg/m3 for snow depnsity in the 2D-OI).
- When SWE from the 2D-OI is assimilated directory directly in the SEKF (3), such differences are not seen.
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