The Method Of Data Assimilation

As already outlined in the introduction, the strategy persued in this study is to derive a parameter related to land surface properities, fAPAR, from the remote sensing data (see Section 3) and then to assimilate this quantity into the BETHY scheme by minimizing the deviation between the satellite fAPAR and the value computed within the photosynthesis part (see Section 2) through modificiation of certain parameters within the BETHY scheme. In a susequent simulation, those optimised parameter fields are then used within an atmospheric GCM.

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