Gridded fossil CO(2) emissions and related O(2) combustion consistent with national inventories 1959-2018.

Gridded fossil CO(2) emissions and related O(2) combustion consistent with national inventories 1959-2018.
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DOI:
10.1038/s41597-020-00779-6
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发表时间:
2021-01-07
期刊:
影响因子:
9.8
通讯作者:
Le Quéré C
Le Quéré C
中科院分区:
综合性期刊2区
文献类型:
--
作者:
Jones MW;Andrew RM;Peters GP;Janssens-Maenhout G;De-Gol AJ;Ciais P;Patra PK;Chevallier F;Le Quéré C

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需要对地球表面的CO2通量进行量化,以评估观测到的大气CO2浓度增加的原因和驱动因素。大气逆温模型将观测到的大气CO2浓度变化分解为CO2排放和汇的变化。它们需要事先限制化石二氧化碳排放。GCP-GridFED(2019.1版)是一个网格化的化石排放数据集,与全球碳项目(GCP)报告的国家二氧化碳排放量一致。GCP-GridFEDv 2019.1以0.1°的空间分辨率提供了1959-2018年期间的每月化石二氧化碳排放量估计。分别提供了石油、煤和天然气、国际混合掩体燃料和水泥生产过程中石灰石煅烧的估计数。GCP-GridFED还包括基于石油、煤炭和天然气氧化率的O2吸收网格估计。它将每年更新一次,并提供给有助于GCP全球碳预算评估的大气逆温,从而使之前对自上而下的化石二氧化碳排放的限制与GCP汇编的自下而上的估计保持一致。描述报告数据的机器可访问元数据文件:10.6084/m9.figshare.13333643
Quantification of CO2 fluxes at the Earth’s surface is required to evaluate the causes and drivers of observed increases in atmospheric CO2 concentrations. Atmospheric inversion models disaggregate observed variations in atmospheric CO2 concentration to variability in CO2 emissions and sinks. They require prior constraints fossil CO2 emissions. Here we describe GCP-GridFED (version 2019.1), a gridded fossil emissions dataset that is consistent with the national CO2 emissions reported by the Global Carbon Project (GCP). GCP-GridFEDv2019.1 provides monthly fossil CO2 emissions estimates for the period 1959–2018 at a spatial resolution of 0.1°. Estimates are provided separately for oil, coal and natural gas, for mixed international bunker fuels, and for the calcination of limestone during cement production. GCP-GridFED also includes gridded estimates of O2 uptake based on oxidative ratios for oil, coal and natural gas. It will be updated annually and made available for atmospheric inversions contributing to GCP global carbon budget assessments, thus aligning the prior constraints on top-down fossil CO2 emissions with the bottom-up estimates compiled by the GCP. Machine-accessible metadata file describing the reported data: 10.6084/m9.figshare.13333643
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