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Gridded fossil CO2 emissions and related O2 combustion consistent with national inventories 1959-2020

Jones, Matthew William; Andrew, Robbie M.; Peters, Glen P.; Janssens-Maenhout, Greet; De-Gol, Anthony J.; Dou, Xinyu; Liu, Zhu; Ciais, Philippe; Patra, Prabir K.; Chevallier, Frederic; Le Quéré, Corinne


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{
  "publisher": "Zenodo", 
  "DOI": "10.5281/zenodo.5565199", 
  "language": "eng", 
  "title": "Gridded fossil CO2 emissions and related O2 combustion consistent with national inventories 1959-2020", 
  "issued": {
    "date-parts": [
      [
        2021, 
        10, 
        12
      ]
    ]
  }, 
  "abstract": "<p>See Jones et al. (2021) for a detailed description of this dataset and the core methods used to produce it. Key details are provided below.</p>\n\n<p><strong>Product Description</strong></p>\n\n<p>GCP-GridFED (version 2021.2) 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-GridFEDv2021.2 provides monthly fossil CO<sub>2 </sub>emissions for the period 1959-2020&nbsp;at a spatial resolution of 0.1&deg; &times; 0.1&deg;. 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.</p>\n\n<p><strong>Core Methodology in Brief</strong></p>\n\n<p>GCP-GridFEDv2021.2 was produced by scaling monthly gridded emissions for the year 2010, from the Emissions Database for Global Atmospheric Research (EDGAR&nbsp;v4.3.2; Janssens-Maenhout et al., 2019), to the national annual emissions estimates compiled as part of the 2020 global carbon budget (GCP-NAE) for the years 1959-2020&nbsp;(Friedlingstein et al., in preparation [Earth System Science Data]),&nbsp;an update from&nbsp;the 2020 global carbon budget (Friedlingstein et al., 2020).&nbsp;GCP-GridFEDv2021.2 uses&nbsp;a preliminary release of GCP-NAE covering the years 1959-2020 (timestamp 31st July 2021).&nbsp;The GCP-NAE estimates for year 2020 are based on data available on 31st July 2021&nbsp;and the estimates are thus&nbsp;expected to differ somewhat&nbsp;from those that will be presented by&nbsp;Friedlingstein et al.&nbsp;(in preparation [Earth System Science Data]), which will&nbsp;adopt updates&nbsp;to GCP-NAE since&nbsp;31st July 2021.</p>\n\n<p>From October&nbsp;2021, Andrew and Peters (2021) began to publish regular updates of their GCP-NAE dataset, including regular updates.&nbsp;</p>\n\n<p>For full details of the core methodology, see&nbsp;Jones et al. (2021).</p>\n\n<p><strong>New Methodology for Years 2019-2020 using Carbon Monitor Data</strong></p>\n\n<p>GCP-GridFEDv2021.2 features&nbsp;methodological changes beyond the core methods&nbsp;presented by&nbsp;Jones et al. (2021) in this version of GCP-GridFED because the seasonality of CO<sub>2</sub> emissions was drastically affected by the lockdowns implemented to deal with the COVID-19 pandemic. Hitherto,&nbsp;GCP-GridFED has adopted the seasonality (that is, the monthly distribution of emissions) from&nbsp;EDGAR v4.3.2&nbsp;(year 2010; Janssens-Maenhout et al., 2019) and applied a small correction based on heating/cooling degree days to account for inter-annual climate variability which effects emissions in some sectors (see Jones et al., 2021). Due to international responses to the COVID-19 pandemic, the typical&nbsp;seasonal pattern was broken in the year 2020. Hence, we now adopt the seasonality of CO<sub>2</sub> emissions&nbsp;at the national level from Carbon Monitor (Liu et al., 2020), with state-level data for large countries. We apply this change in methodology to the years included in the&nbsp;Carbon Monitor dataset; 2019-2020.&nbsp;</p>\n\n<p>Nonetheless, the national annual emissions remain consistent with GCP-NAE (timestamp 31st July 2021) in 2019 and 2020.</p>", 
  "author": [
    {
      "family": "Jones, Matthew William"
    }, 
    {
      "family": "Andrew, Robbie M."
    }, 
    {
      "family": "Peters, Glen P."
    }, 
    {
      "family": "Janssens-Maenhout, Greet"
    }, 
    {
      "family": "De-Gol, Anthony J."
    }, 
    {
      "family": "Dou, Xinyu"
    }, 
    {
      "family": "Liu, Zhu"
    }, 
    {
      "family": "Ciais, Philippe"
    }, 
    {
      "family": "Patra, Prabir K."
    }, 
    {
      "family": "Chevallier, Frederic"
    }, 
    {
      "family": "Le Qu\u00e9r\u00e9, Corinne"
    }
  ], 
  "version": "GCP-GridFEDv2021.2", 
  "type": "dataset", 
  "id": "5565199"
}
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