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

Ai, Z., Hanasaki, N., Heck, V., Hasegawa, T., Fujimori, S. (2021 online): Global bioenergy with carbon capture and storage potential largely constrained by sustainable irrigation. - Nature Sustainability.
https://doi.org/10.1038/s41893-021-00740-4

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Item Permalink: https://publications.pik-potsdam.de/pubman/item/item_25742 Version Permalink: https://publications.pik-potsdam.de/pubman/item/item_25742_2
Genre: Journal Article

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Ai, Zhipin1, Author
Hanasaki, Naota1, Author
Heck, Vera2, Author              
Hasegawa, Tomoko1, Author
Fujimori, Shinichiro1, Author
Affiliations:
1External Organizations, ou_persistent22              
2Potsdam Institute for Climate Impact Research, ou_persistent13              

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 Abstract: 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% (<60–71% for unconstrained irrigation) above the rain-fed potential (0.82–1.99 Gt C yr−1) by the end of this century. Nonetheless, it limited additional water withdrawal (166–298 km3 yr−1), especially from nonrenewable water sources (16–20%), compared with unconstrained irrigation (1,392–3,929 km3 yr−1 and 73–78%). Our findings highlight the importance of irrigation constraints in global BECCS potential.

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 Dates: 2021-06-042021-07-05
 Publication Status: Published online
 Pages: -
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 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1038/s41893-021-00740-4
PIKDOMAIN: RD1 - Earth System Analysis
Organisational keyword: RD1 - Earth System Analysis
Working Group: Terrestrial Safe Operating Space
Research topic keyword: Freshwater
Research topic keyword: 1.5/2°C limit
Regional keyword: Global
Model / method: Research Software Engineering (RSE)
MDB-ID: pending
 Degree: -

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Title: Nature Sustainability
Source Genre: Journal, SCI, Scopus
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Pages: - Volume / Issue: - Sequence Number: - Start / End Page: - Identifier: Publisher: Springer Nature
Other: 2398-9629
CoNE: https://publications.pik-potsdam.de/cone/journals/resource/nature-sustainability