The Water-Energy Nexus Challenges and Opportunities Bryan Runck | Geography Arjun Varshney| Computer Science CSCI 5715 Trends|2015 Source: US DOE, 2014 Water-Energy Nexus + Land Source: Alexander, 2015 Water-Energy Nexus + Land >> Spatial Computing Need More seamless sharing of information via integration of models and geospatial data across space- time scales, institutions, environmental media -Richard Alexander, USGS Source: Alexander, 2015 Water-Energy Nexus + Land >> Spatial Computing Watershed Coupled Water-Energy Source: USGS, 2014 Energy extraction produces dirty water Coupled Water-Energy + Land Source: USGS, 2014 Biomass energy production needs water Water: A Spatial Problem Source: US DOE, 2014 Precipitation Use Needs, Capabilities, and Priorities >> Computing Source: US DOE, 2014 Sources Alexander, R.B. (October 2015). Food Water Nexus: Towards Improved Spatial Analysis and Geospatial Information. FEW NSF workshop, Washington, DC. US DOE. (2014). The Water-Energy Nexus: Challenges and Opportunities. Report. USGS. (2014). The Water-Energy NexusAn Earth Science Perspective. Report.