| Tasks |
- T3.1 Inversion system for optimizing biogenic and pyrogenic VOC fluxes (M25=>M27).
Design an optimal inversion system for deriving HCHO-based VOC fluxes at monthly/sub-monthly resolution, and monthly CH3OH fluxes; Optimize biogenic and biomass burning fluxes simultaneously based on the seasonality and spatial distribution of the a priori emissions.
- T3.2 Data processing and bias characterization of OMI/TROPOMI HCHO and IASI CH3OH columns (M28=>M32).
Implement space data in MAGRITTEv1.1 (as in T2.1); Evaluate against independent data to determine the biases; Use the biases to adjust the satellite data.
- T3.3 Top-down VOC emissions in the Tropics, distributions, trends (M33=>M40).
Use bias-corrected spaceborne HCHO columns (T3.2) to infer reactive VOC fluxes using the adjoint of MAGRITTEv1.1 (T3.1);
In those inversions, use top-down CH3OH emissions from T3.1 and T3.2; Compare the OMI-based isoprene emission trends (2005-2017) with bottom-up emission trends from WP1;
Determine the effects of the inversion setup on the inferred emissions through sensitivity studies; Assess the impact of the top-down NOx emissions (T2.2) on the optimized VOCs.
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