emIAM v1.0: an emulator for Integrated Assessment Models using marginal abatement cost curves

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Auteurs
Date

22 décembre 2022

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Type de document
Périmètre
Identifiant
  • 2212.12060
Source

arXiv - économie

Collection

arXiv

Organisation

Cornell University

Mots-clés Und

Physics - Atmospheric and Oceanic Physics Economics - General Economics

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Pattern Model

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Weiwei Xiong et al., « emIAM v1.0: an emulator for Integrated Assessment Models using marginal abatement cost curves », arXiv - économie

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We developed an emulator for Integrated Assessment Models (emIAM) based on a marginal abatement cost (MAC) curve approach. Using the output of IAMs in the ENGAGE Scenario Explorer and the GET model, we derived a large set of MAC curves: ten IAMs; global and eleven regions; three gases CO2, CH4, and N2O; eight portfolios of available mitigation technologies; and two emission sources. We tested the performance of emIAM by coupling it with a simple climate model ACC2. We found that the optimizing climate-economy model emIAM-ACC2 adequately reproduced a majority of original IAM emission outcomes under similar conditions, allowing systematic explorations of IAMs with small computational resources. emIAM can expand the capability of simple climate models as a tool to calculate cost-effective pathways linked directly to a temperature target.

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