Collection of fluxes and mole fractions from the sixteen inverse models in the GCB2026

@misc{https://doi.org/10.18160/99y6-6994,
  doi = {10.18160/99Y6-6994},
  url = {https://meta.icos-cp.eu/collections/SPcjWIuTnCLDsLO3Zp8Qn2Yp},
  author = {Naus, Stijn and Peters, Wouter and van der Woude, Auke and Hooghiem, Joram and Luijkx, Ingrid and Rödenbeck, Christian and Chevallier, Frédéric and Martinez, Adrien and Niwa, Yosuke and Maity, Suman and Jacobson, Andrew R. and Liu, Junjie and Bowman, Kevin and Yun, Jeongmin and Bloom, Anthony and Jin, Zhe and Tian, Xiangjun and Piao, Shilong and Wang, Yilong and Zhang, Hongqin and Zhao, Min and Wang, Tao and Ding, Jinzhi and Liu, Zhiqiang and Zeng, Ning and Jiang, Fei and Ju, Weimin and Feng, Liang and Palmer, Paul and Maksyutov, Shamil and Nayagam, Lorna and Janardanan, Rajesh and Kong, Yawen and Zheng, Bo and Qiu, Yumou},
  keywords = {carbon flux, global carbon budget, carbon dioxide, mole fractions},
  title = {Collection of fluxes and mole fractions from the sixteen inverse models in the GCB2026},
  publisher = {ICOS ERIC -- Carbon Portal},
  year = {2026},
  copyright = {Creative Commons Attribution 4.0 International}
}

TY  - DATA
T1  - Collection of fluxes and mole fractions from the sixteen inverse models in the GCB2026
AU  - Naus, Stijn
AU  - Peters, Wouter
AU  - van der Woude, Auke
AU  - Hooghiem, Joram
AU  - Luijkx, Ingrid
AU  - Rödenbeck, Christian
AU  - Chevallier, Frédéric
AU  - Martinez, Adrien
AU  - Niwa, Yosuke
AU  - Maity, Suman
AU  - Jacobson, Andrew R.
AU  - Liu, Junjie
AU  - Bowman, Kevin
AU  - Yun, Jeongmin
AU  - Bloom, Anthony
AU  - Jin, Zhe
AU  - Tian, Xiangjun
AU  - Piao, Shilong
AU  - Wang, Yilong
AU  - Zhang, Hongqin
AU  - Zhao, Min
AU  - Wang, Tao
AU  - Ding, Jinzhi
AU  - Liu, Zhiqiang
AU  - Zeng, Ning
AU  - Jiang, Fei
AU  - Ju, Weimin
AU  - Feng, Liang
AU  - Palmer, Paul
AU  - Maksyutov, Shamil
AU  - Nayagam, Lorna
AU  - Janardanan, Rajesh
AU  - Kong, Yawen
AU  - Zheng, Bo
AU  - Qiu, Yumou
DO  - 10.18160/99Y6-6994
UR  - https://meta.icos-cp.eu/collections/SPcjWIuTnCLDsLO3Zp8Qn2Yp
AB  - Collected outputs from the 16 inversions participating in GCB2026, including mole fractions and fluxes.

Simulated mole fractions for each inversion are contained in a zip archive. Each of the 16 ensemble members provided optimized simulated mole fractions for observations included in the ObsPack products CO2 GLOBALVIEWplus v11.0 (http://doi.org/10.25925/20250801) and CO2 NRT v11.0 (https://doi.org/10.25925/20260430). 

Prior and posterior fluxes for all ensemble members on 1x1 degrees latitude-longitude are provided in one combined file. Flux variables include the prior and posterior land biosphere and ocean carbon fluxes. The land biosphere fluxes have been adjusted to a common fossil fuel emissions dataset (land_flux_only_fossil_cement_adjusted). This allows the inverse estimates to be compared to each other within this ensemble. In this case, we apply a fossil fuel and cement adjustment to account for minor remaining differences to GridFED v2026_0 (this GridFED version includes emissions from cement production and a sink from cement carbonation).
For a comparison with bottom-up flux estimates, further adjustments need to be made, for the lateral fluxes, specifically rivers and the natural steady state flux for the ocean. 
KW  - carbon flux
KW  - global carbon budget
KW  - carbon dioxide
KW  - mole fractions
PY  - 2026
PB  - ICOS ERIC -- Carbon Portal
ER  -