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PDAF (clmupdate_lai=1) initializes with zero state dimension #64

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@zhao7777

I am doing an initial test of the LAI DA implementation, and this is a synthetic single-site test case (Selhausen).

  • 48 ensemble members
  • Perturbations applied to: atmospheric forcing, soil texture, selected ecosystem parameters
  • One ensemble member is used as the “truth” and synthetic LAI observations are generated from this truth
  • LAI is assimilated at a weekly interval.

With enkpar setup:
update_lai = 1
update_lai_params = 0

PDAF fails during initialization with:
PDAF-ERROR(5): Invalid state dimension!
ERROR 5 in initialization of PDAF - stopping!

Note that using the same test case and setup:
with update_swc = 1, update_lai = 0, both Open-loop (da_interval = endtime) and DA (da_interval = 48) runs successfully.

The problem appears to be in the state dimension setup for the update_lai==1 branch.

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