Opened 3 months ago

#738 new enhancement

Remove use_reserve

Reported by: luyssaert Owned by: somebody
Priority: major Milestone: ORCHIDEE 4.3
Component: Biogeochemical processes Version: trunc
Keywords: Cc:

Description

Use_reserve is no longer needed – if reserves are available and the plant is at a growing stage there is no reason why it should not use all available reserves.

The original idea for the flag use_reserve is to mark a plant stage during which reserve pool can be used for allocation. This is mainly a legacy from OCN because at that time labile and reserve pools were more strictly separated. During early stage of growing season (the length is controlled by a variable ‘reserve_time’), reserve pool could be used if gpp is not enough to cover maintenance respiration. Now the labile and reserve pools are allowed to exchange to reach an optimal fraction, so basically the logic for use_reserve is no longer valid. But simply removing it is bug-promoting. Need to check model behaviours in different cases when setting use_reverse constantly to zero or one to decide how to clean this part of code.

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