GTAP Resources: Resource Display
| GTAP Resource #5348 |
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"Energy-water-land nexus: the roles of climate change policies and adaptation" by Hejazi, Mohamad Abstract In this study, we use the Global Change Assessment Model (GCAM), where interactions between population, economic growth, energy, land and water resources interact simultaneously in a dynamically evolving system, to investigate: 1) how water scarcity affects energy and land use decisions as well as mitigation policies, 2) the effects of climate change impacts on renewable water resources, reservoir storage capacity, hydropower availability, crop yields, electricity generation, and building energy demands, 3) how these impacts evolve under different climate change mitigation policies in the context of the shared socioeconomic pathways (SSPs) with specific details on water technologies that are consistent with the SSP storylines, 4) the effects of different adaptation measures and their associate investment costs, and 5) the relative contributions of climate and human systems on water scarcity in each of the 235 river basins. We find that previous estimates of global water withdrawal projections are overestimated, as our simulations show that it is more economical in some basins to alter agricultural and energy activities rather than utilize non-renewable groundwater or desalinated water. We also find that the human footprints are more pronounced than the climate counterpart for most river basins around the globe, and that adaptation is a viable measure to deal with the water scarcity problem in many regions. Finally, this study highlights the fact that water is a binding factor in agriculture, energy and land use decisions in integrated assessment models (IAMs), and stresses the crucial role of water in regulating agricultural commodities trade and land-use and energy decisions. |
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- Renewable energy - Climate change policy - Climate impacts - Land use - Trade and the environment - Water availability |
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Public Access No documents have been attached. Restricted Access No documents have been attached. Special Instructions No instructions have been specified. |
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Last Modified: 9/15/2023 2:05:45 PM
