On what scales can GOSAT flux inversions constrain anomalies  in terrestrial ecosystems?

Byrne, Brendan; Jones, Dylan B. A.; Strong, Kimberly; Polavarapu, Saroja M.; Harper, Anna B.; Baker, David F.; Maksyutov, Shamil

doi:https://doi.org/10.5194/acp-19-13017-2019

Articles | Volume 19, issue 20

https://doi.org/10.5194/acp-19-13017-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/acp-19-13017-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 19, issue 20

Research article

|

22 Oct 2019

Research article |

| 22 Oct 2019

On what scales can GOSAT flux inversions constrain anomalies in terrestrial ecosystems?

Brendan Byrne, Dylan B. A. Jones, Kimberly Strong, Saroja M. Polavarapu, Anna B. Harper, David F. Baker, and Shamil Maksyutov

Supplement

https://doi.org/10.5194/acp-19-13017-2019-supplement

Data sets

carbontracker National Oceanic and Atmospheric Administration (NOAA) Earth System Laboratory (ESRL) https://www.esrl.noaa.gov/gmd/ccgg/carbontracker/

GOSAT Data Archive Service National Institute for Environmental Studies (NIES) https://data2.gosat.nies.go.jp

Modern-Era Retrospective analysis for Research and Applications, Version 2 Global Modeling and Assimilation Office https://gmao.gsfc.nasa.gov/reanalysis/MERRA-2/

Dai Global Palmer Drought Severity Index (PDSI) A. Dai https://doi.org/10.5065/D6QF8R93

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Short summary

Interannual variations in net ecosystem exchange (NEE) estimated from the Greenhouse Gases Observing Satellite (GOSAT) XCO₂ measurements are shown to be correlated (P < 0.05) with temperature and FLUXCOM NEE anomalies. Furthermore, the GOSAT-informed NEE anomalies are found to be better correlated with temperature and FLUXCOM anomalies than NEE estimates from most terrestrial biosphere models, suggesting that GOSAT CO₂ measurements provide a useful constraint on NEE interannual variability.