Water: Difference between revisions
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{{ComponentTemplate2 | {{ComponentTemplate2 | ||
|Application=OECD Environmental Outlook to 2050 (2012) project; | |Application=OECD Environmental Outlook to 2050 (2012) project; | ||
|IMAGEComponent=Drivers; Agriculture and land use; Carbon cycle and natural vegetation; Crops and grass | |IMAGEComponent=Drivers; Agriculture and land use; Carbon, vegetation, agriculture and water; Carbon cycle and natural vegetation; Crops and grass; Human development; Energy demand; Land cover and land use; Land-use allocation; Livestock systems; | ||
|KeyReference=Gerten et al., 2004; Biemans et al., 2011; Biemans, 2012; | |KeyReference=Gerten et al., 2004; Biemans et al., 2011; Biemans, 2012; | ||
|Reference=OECD, 2012; Portmann et al., 2010; Fischer et al., 2005; Molden, 2007; FAO, 2011a; OECD, 2012; | |Reference=OECD, 2012; Portmann et al., 2010; Fischer et al., 2005; Molden, 2007; FAO, 2011a; OECD, 2012; | ||
|InputVar=Land cover, land use - grid; Temperature - grid; Precipitation - grid; Crop irrigation water demand - grid; Irrigation project efficiency; Irrigation conveyance efficiency; Crop irrigation water demand - grid; | |InputVar=Land cover, land use - grid; Temperature - grid; Precipitation - grid; Crop irrigation water demand - grid; Irrigation project efficiency; Irrigation conveyance efficiency; Crop irrigation water demand - grid; | ||
|Parameter=Soil properties - grid; Digital water network - grid; LOD (location of dams and reservoirs); | |Parameter=Soil properties - grid; Digital water network - grid; LOD (location of dams and reservoirs); Water demand other sectors - grid; | ||
|OutputVar=River discharge - grid; Irrigation water supply - grid; Water stress - grid; Water withdrawal other sectors - grid; Irrigation water withdrawal - grid; | |OutputVar=River discharge - grid; Irrigation water supply - grid; Water stress - grid; Water withdrawal other sectors - grid; Irrigation water withdrawal - grid; | ||
|Description=Water availability is essential for natural vegetation and agricultural production, human settlements and industry. Around one third of the world’s population lives in countries suffering from medium to high water stress ([[OECD, 2012]]). This number is expected to increase as the water demand will increase due to the population growth, and as water availability may decrease due to global warming. | |Description=Water availability is essential for natural vegetation and agricultural production, human settlements and industry. Around one third of the world’s population lives in countries suffering from medium to high water stress ([[OECD, 2012]]). This number is expected to increase as the water demand will increase due to the population growth, and as water availability may decrease due to global warming. | ||
Revision as of 12:21, 1 July 2014
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Key policy issues
- What is the combined effect of climate change and socio-economic development on water demand and availability, and on associated agricultural production?
- What is the potential of adaptation measures to reduce water stress and water-related crop production losses?
- How can water demand be reduced and still provide the adequate service levels to the sectors with the highest demand?