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  Two-thirds of global cropland area impacted by climate oscillations

Heino, M., Puma, M. J., Ward, P. J., Gerten, D., Heck, V., Siebert, S., Kummu, M. (2018): Two-thirds of global cropland area impacted by climate oscillations. - Nature Communications, 9, 1257.
https://doi.org/10.1038/s41467-017-02071-5

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 Creators:
Heino, M.1, Author
Puma, M. J.1, Author
Ward, P. J.1, Author
Gerten, Dieter2, Author              
Heck, Vera2, Author              
Siebert, S.1, Author
Kummu, M.1, Author
Affiliations:
1External Organizations, ou_persistent22              
2Potsdam Institute for Climate Impact Research, ou_persistent13              

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 Abstract: The El Niño Southern Oscillation (ENSO) peaked strongly during the boreal winter 2015–2016, leading to food insecurity in many parts of Africa, Asia and Latin America. Besides ENSO, the Indian Ocean Dipole (IOD) and the North Atlantic Oscillation (NAO) are known to impact crop yields worldwide. Here we assess for the first time in a unified framework the relationships between ENSO, IOD and NAO and simulated crop productivity at the sub-country scale. Our findings reveal that during 1961–2010, crop productivity is significantly influenced by at least one large-scale climate oscillation in two-thirds of global cropland area. Besides observing new possible links, especially for NAO in Africa and the Middle East, our analyses confirm several known relationships between crop productivity and these oscillations. Our results improve the understanding of climatological crop productivity drivers, which is essential for enhancing food security in many of the most vulnerable places on the planet.

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 Dates: 2018
 Publication Status: Finally published
 Pages: -
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 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1038/s41467-017-02071-5
PIKDOMAIN: Earth System Analysis - Research Domain I
eDoc: 8051
Research topic keyword: Climate impacts
Research topic keyword: Food & Agriculture
Model / method: LPJmL
Regional keyword: Global
Organisational keyword: RD1 - Earth System Analysis
Working Group: Terrestrial Safe Operating Space
 Degree: -

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Title: Nature Communications
Source Genre: Journal, SCI, Scopus, p3, oa
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Pages: - Volume / Issue: 9 Sequence Number: 1257 Start / End Page: - Identifier: CoNE: https://publications.pik-potsdam.de/cone/journals/resource/journals354