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  Irrigation of biomass plantations may globally increase water stress more than climate change

Stenzel, F., Greve, P., Lucht, W., Tramberend, S., Wada, Y., Gerten, D. (2021): Irrigation of biomass plantations may globally increase water stress more than climate change. - Nature Communications, 12, 1512.
https://doi.org/10.1038/s41467-021-21640-3

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 Creators:
Stenzel, Fabian1, Author              
Greve, Peter2, Author
Lucht, Wolfgang1, Author              
Tramberend, Sylvia2, Author
Wada, Yoshihide 2, Author
Gerten, Dieter1, Author              
Affiliations:
1Potsdam Institute for Climate Impact Research, ou_persistent13              
2External Organizations, ou_persistent22              

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 Abstract: Bioenergy with carbon capture and storage (BECCS) is considered an important negative emissions (NEs) technology, but might involve substantial irrigation on biomass plantations. Potential water stress resulting from the additional withdrawals warrants evaluation against the avoided climate change impact. Here we quantitatively assess potential side effects of BECCS with respect to water stress by disentangling the associated drivers (irrigated biomass plantations, climate, land use patterns) using comprehensive global model simulations. By considering a widespread use of irrigated biomass plantations, global warming by the end of the 21st century could be limited to 1.5 °C compared to a climate change scenario with 3 °C. However, our results suggest that both the global area and population living under severe water stress in the BECCS scenario would double compared to today and even exceed the impact of climate change. Such side effects of achieving substantial NEs would come as an extra pressure in an already water-stressed world and could only be avoided if sustainable water management were implemented globally.

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Language(s): eng - English
 Dates: 2021-01-272021-03-082021-03-08
 Publication Status: Finally published
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: MDB-ID: yes - 3180
PIKDOMAIN: RD1 - Earth System Analysis
Organisational keyword: RD1 - Earth System Analysis
Working Group: Terrestrial Safe Operating Space
Research topic keyword: 1.5/2°C limit
Research topic keyword: CO2 Removal
Research topic keyword: Climate impacts
Research topic keyword: Ecosystems
Research topic keyword: Freshwater
Regional keyword: Global
Model / method: LPJmL
DOI: 10.1038/s41467-021-21640-3
OATYPE: Gold - DEAL Springer Nature
 Degree: -

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Title: Nature Communications
Source Genre: Journal, SCI, Scopus, p3, oa
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Pages: - Volume / Issue: 12 Sequence Number: 1512 Start / End Page: - Identifier: CoNE: https://publications.pik-potsdam.de/cone/journals/resource/journals354
Publisher: Nature