a hydrologist national perspective on the energy-water nexus
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A Hydrologist national perspective on the Energy-Water Nexus. Eric J. Evenson US Geological Survey. Energy Water Nexus. Energy Water Nexus. Energy Water Nexus Food. Energy Water - PowerPoint PPT PresentationTRANSCRIPT
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A Hydrologist national perspective on the Energy-Water Nexus
Eric J. EvensonUS Geological Survey
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Energy Water Nexus
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Energy Water Nexus
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Energy Water Nexus Food
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Energy Water Nexus FoodWe need better understanding
of the fluxes of materials between these processes and markets to adequately manage
these resources
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Estimating Thermoelectric Water Use
Eric J. EvensonApril 2, 2013
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Water withdrawals by category
IrrigationMining Self-Supplied IndustrialAquaculture
31 percent1 percent
Less than 1 percent
Livestock
11 percent
Public Supply
49 percent
Thermoelectric Power
4 percent2 percent
1 percent
Self-Supplied Domestic
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GAO Report 10-23, 2009ENERGY-WATER NEXUS
Improvements to Federal Water Use Data Would Increase Understanding of Trends in Power Plant
Water Use
• Full report and current status of response to recommendations: http://www.gao.gov/products/GAO-10-23
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GAO recommendations directly involving USGS:
• EIA and USGS should develop a process involving identified stakeholders constituencies to improve data collection and dissemination
• USGS resume publication of thermoelectric water consumption
• USGS disseminate available information on use of alternative water sources
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U.S. Department of the Interior U.S. Department of Energy
USGS and EIA working together
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Investigate Various GIS Techniques
Definition Query Multipoint LayerMean center pointReference layers
Verify or Rectify Point
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Results
• First comprehensive location data on all plants in a GIS format
• Excludes industrial and commercial
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Assembling the Data to Model Thermoelectric Water Use
Categorization based on
• plant size• fuel type• plant configuration• cooling equipment• climatic data
to create groups of plants whose water use and consumptive use can be modeled based upon the heat budget of the plant.
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COOLING TYPES
• Once through
• Closed cycle – Wet tower
• Closed cycle – Pond
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WITHDRAWAL - TOWER
WITHDRAWAL
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QUESTIONS ?
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QUESTIONS ?
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QUESTIONS ?
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QUESTIONS ?
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QUESTIONS ?
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QUESTIONS ?
CONUS Withdrawal
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QUESTIONS ?
CONUS Consumption
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QUESTIONS ?
CONUS Withdrawal and Consumption
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QUESTIONS ?
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QUESTIONS ?
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QUESTIONS ?
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Eric J EvensonWater Census CoordinatorU.S. Geological Survey810 Bear Tavern Road, Suite 206Trenton, New Jersey 08628
U.S. Department of the InteriorU.S. Geological Survey