Palma Petrielli Gabriel, Pessoa Nogueira Guilherme, de Souza Henzler Daniele, Rinke Dias de Souza Nariê, Berbert Bruno Karina Maria, dos Santos Luciano Ana Cláudia, Le Maire Guerric, Hernandes Thayse Aparecida Dourado. 2023. Integrating carbon footprint to spatialized modeling: The mitigation potential of sugarcane ethanol production in the Brazilian Center-South. Resources, Conservation and Recycling, 189:106725, 12 p.
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Version publiée
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Résumé : Biomass cultivation has a large influence over the resulting bio-based products and is largely influenced by local conditions. Therefore, accounting for spatialization into sustainability assessments under the life-cycle perspective is key. The study aims to integrate satellite image classification for sugarcane areas in the Center-South of Brazil with georeferenced modeling for sugarcane yield and ethanol production. 290 ethanol mills were simulated, and the resulting inventories were used to trace ethanol's carbon footprint spatial profile and mitigation potential for gasoline substitution. Ethanol's carbon intensity varied from 14.38 to 34.0 gCO2e.MJ−1, with an average of 18.41 gCO2e.MJ−1. By translating these indicators into Decarbonization Credits (CBIOS), under the RenovaBio program, a GHG mitigation potential of 45.07 MtCO2e could be annually attributed to the current Brazilian ethanol sector, corresponding to an additional revenue of US$ 0.88 billion. The proposed georeferenced framework showed significant spatial variations that should be accounted in future sustainability assessments.
Mots-clés Agrovoc : biomasse, éthanol, carbone, produit issu de la biomasse, pratique culturale, production de biomasse, durabilité, canne à sucre, empreinte carbone
Mots-clés géographiques Agrovoc : Brésil
Mots-clés libres : Spatial analysis, Sugarcane yield modeling, Ethanol, Carbon footprint, Decarbonization credits
Classification Agris : P06 - Sources d'énergie renouvelable
Champ stratégique Cirad : CTS 7 (2019-) - Hors champs stratégiques
Auteurs et affiliations
- Palma Petrielli Gabriel, Brazilian Center for Research in Energy and Materials (BRA)
- Pessoa Nogueira Guilherme, Brazilian Center for Research in Energy and Materials (BRA)
- de Souza Henzler Daniele, Brazilian Center for Research in Energy and Materials (BRA)
- Rinke Dias de Souza Nariê, Brazilian Center for Research in Energy and Materials (BRA)
- Berbert Bruno Karina Maria, Brazilian Center for Research in Energy and Materials (BRA)
- dos Santos Luciano Ana Cláudia, ESALQ (BRA)
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Le Maire Guerric, CIRAD-PERSYST-UMR Eco&Sols (FRA)
ORCID: 0000-0002-5227-958X - auteur correspondant
- Hernandes Thayse Aparecida Dourado, Brazilian Center for Research in Energy and Materials (BRA) - auteur correspondant
Source : Cirad-Agritrop (https://agritrop.cirad.fr/603083/)
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