Pre-conference publication 05 Jun 2018
Pre-conference publication | 05 Jun 2018
The impacts of climate change on irrigation and crop production in Northeast China and implications for energy use and GHG Emission
Tingting Yan et al.
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Yanrong Li and Jinxia Wang
Proc. IAHS, 379, 89–104, https://doi.org/10.5194/piahs-379-89-2018, https://doi.org/10.5194/piahs-379-89-2018, 2018
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Econometric results revealed that temperature is negatively related with the supply reliability of surface water irrigation; but precipitation positively influences the supply reliability of surface water irrigation. For instance, increasing temperature by 0.5 °C will reduce the supply reliability of surface water irrigation by 1.1 %. When precipitation increases by 10 %, the supply reliability can be increased by 4.6 %. Besides, climate influence differs by seasons.
Tingju Zhu, Petra Döll, Hannes Müller Schmied, Claudia Ringler, and Mark W. Rosegrant
Geosci. Model Dev. Discuss., https://doi.org/10.5194/gmd-2017-216, https://doi.org/10.5194/gmd-2017-216, 2017
Revised manuscript has not been submitted
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The global hydrological model IGHM was developed to simulate water availability over global land areas month by month. The simulated water availability is for analyzing irrigation water supply and crop production in a global water and food projections model, IMPACT. Water availability simulated by another global hydrological model, WGHM, was used to determine parameter values in IGHM. This paper describes the structure of IGHM, the method of its parameter determination, and its performance.
Zhengtao Zhang, Ning Li, Wei Xie, Yu Liu, Jieling Feng, Xi Chen, and Li Liu
Nat. Hazards Earth Syst. Sci., 17, 367–379, https://doi.org/10.5194/nhess-17-367-2017, https://doi.org/10.5194/nhess-17-367-2017, 2017
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This paper was the first to assess and analyze the ripple effects of indirect economic loss and spatial heterogeneity of both direct and indirect economic loss caused by a hypothetical earthquake, with the same magnitude as the 2008 Wenchuan earthquake, in the disaster-hit area of Beijing at the scale of the smallest administrative divisions in China (streets, villages, and towns). The results will help the government better allocate rescue funds to the regions that may suffer serious damage.
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Short summary
Climate change impact assessment should fully consider the nexus among water, food and energy. In Northeast China, climate change is projected to increase the gap between irrigation supply and demand, reduce not only crops output, but also energy use and GHG emission from irrigation in 2030. The adaptation measures adopted by farmers will lessen the risk of climate change, such as implementing irrigation measures, optimizing the cropping pattern and improving water productivities.
Climate change impact assessment should fully consider the nexus among water, food and energy....