Carbon dioxide removal (CDR) options - GCAM: Difference between revisions

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GCAM can be considered as a process model for CO<sub>2</sub> emissions and reductions. CO<sub>2</sub> emissions change over time as fuel consumption in GCAM endogenously changes. Application of Carbon Capture and Storage (CCS) is explicitly considered as separate technological options for a number of processes, such as electricity generation and fertilizer manufacturing. GCAM, in effect, produces a Marginal Abatement Curve for CO<sub>2</sub> as a carbon-price is applied within the model. See GCAM's CO<sub>2</sub> emissions section [http://jgcri.github.io/gcam-doc/emissions.html#co2-emissions here].
Carbon dioxide removal options in GCAM include Carbon Capture and Storage (CCS), bioenergy with CCS, reforestation, afforestation, and [https://jgcri.github.io/gcam-doc/demand_energy.html#direct-air-capture-for-carbon-dioxide-removal direct air capture]. See the section on [http://jgcri.github.io/gcam-doc/emissions.html#co2-emissions CO<sub>2</sub> emissions] for more details.

Latest revision as of 19:26, 17 June 2022

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Model Documentation - GCAM

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Model information
Model link
Institution Pacific Northwest National Laboratory, Joint Global Change Research Institute (PNNL, JGCRI), USA, https://www.pnnl.gov/projects/jgcri.
Solution concept General equilibrium (closed economy)GCAM solves all energy, water, and land markets simultaneously
Solution method Recursive dynamic solution method
Anticipation GCAM is a dynamic recursive model, meaning that decision-makers do not know the future when making a decision today. After it solves each period, the model then uses the resulting state of the world, including the consequences of decisions made in that period - such as resource depletion, capital stock retirements and installations, and changes to the landscape - and then moves to the next time step and performs the same exercise. For long-lived investments, decision-makers may account for future profit streams, but those estimates would be based on current prices. For some parts of the model, economic agents use prior experience to form expectations based on multi-period experiences.

Carbon dioxide removal options in GCAM include Carbon Capture and Storage (CCS), bioenergy with CCS, reforestation, afforestation, and direct air capture. See the section on CO2 emissions for more details.

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