Global CO2 gridded flux fields from 16 atmospheric inversions in GCB2026
In this file, we include the data from the GCB2026 inversions on 1x1 degrees latitude-longitude. The 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. To compute S_land as presented in GCB2026, the river adjustment needs to be added to the inverse land flux: S_land = -(flux_land + river_adjustment_land_scaled). To compute S_ocean as presented in GCB2026, the river adjustment needs to be added, while the natural steady state flux needs to be subtracted: S_ocean = -(flux_ocean + river_adjustment_ocean - natural_ss_ocean). Correct application of this procedure should result in: S_ocean,global = 3.1 PgC/year ; S_land,global = 1.5 PgC/year ; S_ocean,[-90S,-30S] = 1.2 PgC/year. Note that positive fluxes in this file are into the atmosphere, while positive S_land and S_ocean fluxes are into land/ocean (hence the sign switch).
BibTex
@misc{https://hdl.handle.net/11676/cTiyyHSEPCuUAU53j2qBWAaN,
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},
title={Global CO2 gridded flux fields from 16 atmospheric inversions in GCB2026, 1976-01-01–2025-12-31},
year={2026},
note={In this file, we include the data from the GCB2026 inversions on 1x1 degrees latitude-longitude.
The 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.
To compute S_land as presented in GCB2026, the river adjustment needs to be added to the inverse land flux: S_land = -(flux_land + river_adjustment_land_scaled).
To compute S_ocean as presented in GCB2026, the river adjustment needs to be added, while the natural steady state flux needs to be subtracted: S_ocean = -(flux_ocean + river_adjustment_ocean - natural_ss_ocean).
Correct application of this procedure should result in: S_ocean,global = 3.1 PgC/year ; S_land,global = 1.5 PgC/year ; S_ocean,[-90S,-30S] = 1.2 PgC/year.
Note that positive fluxes in this file are into the atmosphere, while positive S_land and S_ocean fluxes are into land/ocean (hence the sign switch).},
keywords={GCB2026, atmospheric, CO2, global, inversions, land carbon flux, ocean carbon flux},
url={https://hdl.handle.net/11676/cTiyyHSEPCuUAU53j2qBWAaN},
publisher={Carbon Portal},
copyright={http://meta.icos-cp.eu/ontologies/cpmeta/icosLicence},
pid={11676/cTiyyHSEPCuUAU53j2qBWAaN}
}
RIS
TY - DATA T1 - Global CO2 gridded flux fields from 16 atmospheric inversions in GCB2026, 1976-01-01–2025-12-31 ID - 11676/cTiyyHSEPCuUAU53j2qBWAaN PY - 2026 AB - In this file, we include the data from the GCB2026 inversions on 1x1 degrees latitude-longitude. The 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. To compute S_land as presented in GCB2026, the river adjustment needs to be added to the inverse land flux: S_land = -(flux_land + river_adjustment_land_scaled). To compute S_ocean as presented in GCB2026, the river adjustment needs to be added, while the natural steady state flux needs to be subtracted: S_ocean = -(flux_ocean + river_adjustment_ocean - natural_ss_ocean). Correct application of this procedure should result in: S_ocean,global = 3.1 PgC/year ; S_land,global = 1.5 PgC/year ; S_ocean,[-90S,-30S] = 1.2 PgC/year. Note that positive fluxes in this file are into the atmosphere, while positive S_land and S_ocean fluxes are into land/ocean (hence the sign switch). UR - https://hdl.handle.net/11676/cTiyyHSEPCuUAU53j2qBWAaN PB - Carbon Portal 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 KW - GCB2026 KW - atmospheric KW - CO2 KW - global KW - inversions KW - land carbon flux KW - ocean carbon flux ER -
Production
Previewable variables
| Name | Value type | Unit | Quantity kind | Preview |
|---|---|---|---|---|
| land_flux_only_fossil_cement_adjusted | land CO2 flux | PgC m-2 yr-1 | mass flux | Preview |
| ocean_flux_NOT_adjusted | ocean CO2 flux | PgC m-2 yr-1 | mass flux | Preview |
| prior_flux_land | land CO2 flux | PgC m-2 yr-1 | mass flux | Preview |
| prior_flux_ocean | ocean CO2 flux | PgC m-2 yr-1 | mass flux | Preview |
| fossil_fuel_emissions | fossil fuel CO2 flux | PgC m-2 yr-1 | mass flux | Preview |