Summary
This comprehensive assessment synthesises global carbon budget data and methodology to quantify anthropogenic CO2 emissions and their distribution among atmospheric, oceanic, and terrestrial reservoirs. The work combines energy statistics, satellite land-cover observations, ocean measurements, and dynamic vegetation models to characterise all major carbon cycle components with documented uncertainties. The study supports evidence-based climate policy development by providing a systematic, community-validated framework for tracking global carbon flows and their annual variability.
UK applicability
The global carbon budget framework provides essential context for UK greenhouse gas accounting and climate policy targets, particularly in understanding how domestic emissions contribute to global atmospheric CO2 concentrations and ocean acidification. UK land-use and terrestrial carbon sink estimates are embedded within this global assessment, informing national net-zero strategies and land management policy.
Key measures
Annual CO2 emissions from fossil fuels and industry (EFF); CO2 emissions from land-use change (ELUC); global atmospheric CO2 concentration (GATM); mean ocean CO2 sink (SOCEAN); global residual terrestrial CO2 sink (SLAND); uncertainties reported as ±1σ
Outcomes reported
The study quantified all major components of the global carbon budget including CO2 emissions from fossil fuels and industry, land-use change, atmospheric CO2 concentration, and ocean and terrestrial carbon sinks for the period 2006–2015. The research integrated diverse data sources, algorithms, and model estimates to assess the redistribution of anthropogenic CO2 among the atmosphere, ocean, and terrestrial biosphere.
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