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                            Library & Multimedia
 Tap water isotope ratios reflect urban water system structure and dynamics across a semiarid metropolitan area
NCJ Number
              255180
Journal

*Water Resources Research* Volume: 52 Issue: 8 Dated: 2016 Pages: 5891-5910
Author(s)
          Yusuf Jameel;
                        Simon Brewer;
                        Stephen P. Good;
                        Brett J. Tipple;
                        James R. Ehleringer;
                        Gabriel J. Bowen
Date Published

2016
Length
              20 pages
Annotation
              Since there is a pressing need to better understand connections between human populations, climate, water extraction, water use, and its impacts, the current study collected and analyzed stable isotopic ratios of more than 800 urban tap water samples in a series of semiannual water surveys (spring and fall, 2013-2015) across the Salt Lake Valley (SLV) of northern Utah.
Abstract
              Consistent with previous work, this study found that mean tap water had a lower 2H and 18O concentration than local precipitation, highlighting the importance of nearby montane winter precipitation as source water for the region; however, researchers observed strong and structured spatiotemporal variation in tap water isotopic compositions across the region, which they attribute to complex distribution systems, varying water management practices, and multiple sources used across the valley. Water from different sources was not used uniformly throughout the area and the study identified significant correlation between water source and demographic parameters, including population and income. Isotopic mass balance indicated significant inter-annual and intra-annual variability in water losses within the distribution network due to evaporation from surface water resources supplying the SLV. These results demonstrate the effectiveness of isotopes as an indicator of water management strategies and climate impacts within regional urban water systems, with potential utility for monitoring, regulation, forensic, and a range of water resource research. (publisher abstract modified)
      
  
          Additional Details
Grant Number(s)
        2011-DN-BX-K544
                                2013-DN-BX-K009


  
  
        
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        NIJ-Sponsored


  
  
        
  Publication Type
        Research (Applied/Empirical)
                                Report (Study/Research)
                                Report (Grant Sponsored)
                                Program/Project Description


  
  
        
  Award
        Isotope Analyses of Hair as a Trace Evidence Tool to Reconstruct Human Movements: Combining Strontium Isotope with Hydrogen/Oxygen Isotope Data
                                Isotope Analyses of Hair as a Trace Evidence Tool to Reconstruct Human Movements: Establishing the Effects of the "Human Ecosystem" On Strontium and Oxygen Isotope Ratios
    
  
  
Date Published: January 1, 2016
    
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