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Continental Carbon Flux Synthesis: North American Atmospheric Models vs. Inversions

Explore the NACP Interim Synthesis examining North American carbon fluxes through forward and inverse models, comparing stats on NEE, GPP, and more. Conclusions highlight the discrepancies between models and inversions in manifesting seasonality, uptake, and inter-annual variability.

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Continental Carbon Flux Synthesis: North American Atmospheric Models vs. Inversions

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  1. NACP Interim Synthesis: Continental Fluxes from Forward and Inverse Models Andy Jacobson, Mac Post, Debbie Huntzinger, Bob Cook, and lots of modelers

  2. Atmospheric Inversions continent Forward Models Flux tower sites NEE site flux footprint size

  3. North America Boreal (NABR) North America Temperate (NATM)

  4. North America (boreal and temperate) summary stats for NEE

  5. Atmospheric Inversions MODIS Forward Models Flux tower sites NEE GPP

  6. No apparent relationship between GPP and NEP (in the same year, anyway)

  7. Conclusions Inversions do manifest more seasonality, uptake, and IAV over N. America than forward models. Inversions don't agree as well as one might hope. MODIS GPP generally smaller than forward simulations. MODIS, CASA models and DLEM see less GPP in 2002, but NEE signal is not apparent.

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