Global bioenergy with carbon capture and storage potential is largely constrained by sustainable irrigation

Bioenergy with carbon capture and storage (BECCS) is crucial in many stringent climate scenarios. Although irrigation can enhance BECCS potential, where and to what extent it can enhance global BECCS potential are unknown when constrained by preventing additional water stress and suppressing withdra...

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Bibliographic Details
Published in:Nature sustainability 2021-10, Vol.4 (10), p.884-891
Main Authors: Ai, Zhipin, Hanasaki, Naota, Heck, Vera, Hasegawa, Tomoko, Fujimori, Shinichiro
Format: Article
Language:English
Subjects:
704/106/242
704/172/4081
704/242
Agricultural land
Analysis
Carbon sequestration
Earth and Environmental Science
Energy crops
Environment
Hydrologic cycle
Irrigation
Irrigation water
Nonrenewable resources
Sustainable Development
Water resources
Water stress
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Summary:Bioenergy with carbon capture and storage (BECCS) is crucial in many stringent climate scenarios. Although irrigation can enhance BECCS potential, where and to what extent it can enhance global BECCS potential are unknown when constrained by preventing additional water stress and suppressing withdrawal of nonrenewable water resources. With a spatially explicit representation of bioenergy crop plantations and water cycle in an internally consistent model framework, we identified the irrigable bioenergy cropland on the basis of the water resources reserve. Irrigation of such cropland enhanced BECCS potential by only 5–6% (
ISSN:2398-9629
2398-9629
DOI:10.1038/s41893-021-00740-4