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The water-food-energy nexus optimization approach to combat agricultural drought : a case study in the United States
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- Zhang, Jie (author)
- Univ Maryland, Dept Geog Sci, College Pk, MD 20742 USA.
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- Campana, Pietro Elia (author)
- Mälardalens högskola,Framtidens energi,Malardalen Univ, Sch Business Soc & Engn, SE-72123 Vasteras, Sweden.
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- Yao, Tian (author)
- Univ Space Res Assoc, Columbia, MD 21044 USA.;NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA.
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- Zhang, Yang (author)
- KTH,Energiprocesser,KTH Royal Inst Technol, Stockholm, Sweden.
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- Lundblad, Anders (author)
- KTH,Energiprocesser,Malardalen Univ, Sch Business Soc & Engn, SE-72123 Vasteras, Sweden.;KTH Royal Inst Technol, Sch Chem Sci & Engn, SE-10044 Stockholm, Sweden.,Mälardalen University, Sweden; KTH Royal Institute of Technology, Sweden
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- Melton, Forrest (author)
- NASA ARC CREST, Moffett Field, CA 94035 USA.;Calif State Univ Monterey Bay, Seaside, CA 93955 USA.
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- Yan, Jinyue, 1959- (author)
- Mälardalens högskola,KTH,Energiprocesser,Framtidens energi,KTH Royal Inst Technol, Stockholm, Sweden.
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Univ Maryland, Dept Geog Sci, College Pk, MD 20742 USA Framtidens energi (creator_code:org_t)
- ELSEVIER SCI LTD, 2018
- 2018
- English.
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In: Applied Energy. - : ELSEVIER SCI LTD. - 0306-2619 .- 1872-9118. ; 227, s. 449-464
- Related links:
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http://www.sciencedi...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- The frequent recent drought events in the Great Plains of United States have led to significant crop yield reductions and crop price surges. Using an integrated water-food-energy nexus modelling and optimization approach, this study laid the basis for developing an effective agricultural drought management system by combining real-time drought monitoring with real-time irrigation management. The proposed water-food-energy simulation and optimization method is spatially explicit and was applied to one major corn region in Nebraska. The crop simulations, validated with yield statistics, showed that a drought year like 2012 can potentially reduce the corn yield by 50% as compared to a wet year like 2009. The simulation results show that irrigation can play a key role in halting crop losses due to drought and in sustaining high yields of up to 20 t/ha. Nevertheless, the water-food-energy relationship shows that significant investments on water and energy are required to limit the negative effects of drought. The multi-criteria optimization problem developed in this study shows that the optimal crop yield does not necessarily correspond to the maximum yield, resulting in potential water and energy savings.
Subject headings
- NATURVETENSKAP -- Geovetenskap och miljövetenskap (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Energiteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Energy Engineering (hsv//eng)
Keyword
- Water-food-energy nexus
- Drought
- Optimization
- Energy for irrigation
- Crop modelling
- Spatial analysis
Publication and Content Type
- ref (subject category)
- art (subject category)
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