Gridded fossil CO2 emissions and related O2 combustion consistent with national inventories 1959-2019
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GCP-GridFED (version 2020.1) is a gridded fossil emissions dataset that is consistent with the national CO<sub>2</sub> emissions reported by the Global Carbon Project (GCP). GCP-GridFEDv2020.1 provides monthly fossil CO<sub>2 </sub>emissions for the period 1959-2019 at a spatial resolution of 0.1° × 0.1°. The gridded emissions estimates are provided separately for fossil CO<sub>2</sub> emitted by the oxidation of oil, coal and natural gas, with mixed international bunker fuels considered separately, as well as for the calcination of limestone during cement production. GCP-GridFED also includes gridded uncertainties in CO<sub>2 </sub>emission, incorporating differences in uncertainty across emissions sectors and countries, and gridded estimates of corresponding O<sub>2</sub> uptake based on oxidative ratios for oil, coal and natural gas. GCP-GridFEDv2020.1 was produced by scaling monthly gridded emissions for the year 2010, from the Emissions Database for Global Atmospheric Research (EDGAR; version 4.3.2; Janssens-Maenhout et al., 2019), to the national annual emissions estimates compiled as part of the 2020 global carbon budget (GCB-NAE) for the years 1959-2019 (Friedlingstein et al., in revision [ESSD]), an update from the 2019 global carbon budget (Friedlingstein et al., 2019). GCP-GridFEDv2020.1 uses a preliminary release of GCB-NAE covering the years 1959-2019; the GCB-NAE data for 2019 is based on data available in June 2020 and the estimates are thus expected to differ slightly from those presented by Friedlingstein et al. (in revision [ESSD]) which uses new data available since June 2020. A planned update (GCP-GridFEDv2020.2) will use the GCB-NAE data published by Friedlingstein et al. (in revision [ESSD]). A data description article providing the methodology behind this dataset is in revision (Jones et al., in revision [Scientific Data]) and focuses on the previous version (GCP-GridFEDv2019.1), which used the GCP-NAE dataset published by Friedlingstein et al., (2019). There were no methodological changes since GCP-GridFEDv2019.1 (doi:10.5281/zenodo.3958283); that is, GCP-GridFEDv2020.1 is generated by the approach described in Jones et al. (in revision [Scientific Data]) but with updated (preliminary) GCP-NAE data. The current version is embargoed until 7th December 2020.
