Water Resources Research

Cover image for Vol. 50 Issue 9

September 2014

Volume 50, Issue 9

Pages i–v, 7067–7539

  1. Issue Information

    1. Top of page
    2. Issue Information
    3. Research Articles
    4. Data and Analysis Note
    5. Opinion Article
    6. Comment
    7. Reply
    8. Comment
    9. Reply
    1. Issue Information (pages i–v)

      Article first published online: 16 OCT 2014 | DOI: 10.1002/wrcr.20480

  2. Research Articles

    1. Top of page
    2. Issue Information
    3. Research Articles
    4. Data and Analysis Note
    5. Opinion Article
    6. Comment
    7. Reply
    8. Comment
    9. Reply
    1. Capillary pinning and blunting of immiscible gravity currents in porous media (pages 7067–7081)

      Benzhong Zhao, Christopher W. MacMinn, Herbert E. Huppert and Ruben Juanes

      Article first published online: 3 SEP 2014 | DOI: 10.1002/2014WR015335

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      Key Points

      • We study experimentally the impact of capillarity on a buoyant gravity current
      • We show that capillary pressure hysteresis can stop migration of the current
      • Capillary pinning can be an effective trapping mechanism in CO2 sequestration
    2. A new selection metric for multiobjective hydrologic model calibration (pages 7082–7099)

      Masoud Asadzadeh, Bryan A. Tolson and Donald H. Burn

      Article first published online: 3 SEP 2014 | DOI: 10.1002/2013WR014970

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      Key Points

      • New convex hull-based selection metric for multiobjective model calibration
      • Biobjective model calibration Pareto front often approximated by convex curve
      • CHC improves PADDS performance for MO hydrologic model calibration problems
    3. Trends in water balance components across the Brazilian Cerrado (pages 7100–7114)

      Paulo Tarso S. Oliveira, Mark A. Nearing, M. Susan Moran, David C. Goodrich, Edson Wendland and Hoshin V. Gupta

      Article first published online: 4 SEP 2014 | DOI: 10.1002/2013WR015202

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      Key Points

      • Water budget for the Brazilian Cerrado was evaluated
      • Trends were assessed from remote sensing data, and in observed discharge
      • Uncertainties were computed from in situ data
    4. You have full text access to this OnlineOpen article
      Flood forecasting for River Mekong with data-based models (pages 7115–7133)

      Khurram M. Shahzad and Erich J. Plate

      Article first published online: 5 SEP 2014 | DOI: 10.1002/2013WR015072

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      Key Points

      • For River Mekong extreme rainfall variability is main cause of forecast uncertainties
      • IUH models adapted to local conditions and known rainfall yield best forecasts
      • Multiregression of forecasts from differently structured models minimizes errors
    5. Estimation of the distribution of annual runoff from climatic variables using copulas (pages 7134–7152)

      Lihua Xiong, Kun-xia Yu and Lars Gottschalk

      Article first published online: 8 SEP 2014 | DOI: 10.1002/2013WR015159

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      Key Points

      • The approach of deriving annual runoff distributions using copulas is proposed
      • The annual runoff distributions derived from the approach perform well
      • The approach can also be used in ungauged watersheds
    6. A significant nexus: Geographically isolated wetlands influence landscape hydrology (pages 7153–7166)

      Daniel L. McLaughlin, David A. Kaplan and Matthew J. Cohen

      Article first published online: 9 SEP 2014 | DOI: 10.1002/2013WR015002

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      Key Points

      • GIWs act as hydrologic sinks and sources in response to climate
      • GIWs effects on regional water table and base flow were modeled
      • GIWs buffer surficial aquifer variation, impacting stream base flow
    7. An intercomparison of statistical downscaling methods used for water resource assessments in the United States (pages 7167–7186)

      Ethan Gutmann, Tom Pruitt, Martyn P. Clark, Levi Brekke, Jeffrey R. Arnold, David A. Raff and Roy M. Rasmussen

      Article first published online: 9 SEP 2014 | DOI: 10.1002/2014WR015559

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      Key Points

      • The fidelity of four common downscaling methods is assessed in current climate
      • Some methods have problems with wet days, wet/dry spells, and extreme events
      • Most methods have problems with spatial scaling and interannual variability
    8. A blue/green water-based accounting framework for assessment of water security (pages 7187–7205)

      Dulce B. B. Rodrigues, Hoshin V. Gupta and Eduardo M. Mendiondo

      Article first published online: 10 SEP 2014 | DOI: 10.1002/2013WR014274

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      Key Points

      • The framework identifies threats to human and aquatic ecosystem water security
      • Integration of hydrologic, ecosystem and human information on a monthly basis
      • Results reveal spatiotemporal patterns of water scarcity and vulnerability
    9. Toward efficiency in heterogeneous multispecies reactive transport modeling: A particle-tracking solution for first-order network reactions (pages 7206–7230)

      Christopher V. Henri and Daniel Fernàndez-Garcia

      Article first published online: 10 SEP 2014 | DOI: 10.1002/2013WR014956

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      Key Points

      • Network reactions are efficiently modeled and fully coupled with particle motion
      • Analytical solutions are given for the transport simulation of serial reactions
      • Tailing effect due to flow heterogeneity is mitigated in case of decaying solute
    10. Optimizing the scale of markets for water quality trading (pages 7231–7244)

      Martin W. Doyle, Lauren A. Patterson, Yanyou Chen, Kurt E. Schnier and Andrew J. Yates

      Article first published online: 11 SEP 2014 | DOI: 10.1002/2014WR015395

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      Key Points

      • Allowing trading reduces the total costs of complying with the Clean Water Act
    11. Assessing the impacts of reservoir operation to floodplain inundation by combining hydrological, reservoir management, and hydrodynamic models (pages 7245–7266)

      Cherry May Mateo, Naota Hanasaki, Daisuke Komori, Kenji Tanaka, Masashi Kiguchi, Adisorn Champathong, Thada Sukhapunnaphan, Dai Yamazaki and Taikan Oki

      Article first published online: 12 SEP 2014 | DOI: 10.1002/2013WR014845

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      Key Points

      • Modeling dam operation with hydrodynamics improved simulation of Thai flood
      • Impacts of dam operation to flood inundation were explicitly evaluated
      • Reservoir operation in 2011 reduced flood volumes but it can still be improved
    12. Hydrometric transit times along transects on a steep hillslope (pages 7267–7284)

      Sanghyun Kim

      Article first published online: 12 SEP 2014 | DOI: 10.1002/2013WR014746

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      Key Points

      • This paper proposes the hydrometric transit time
      • Both matrix flow and bypass flow are used to estimate soil water transit time
      • Spatial and seasonal PDFs of transit time are presented along a hillslope
    13. Large lakes as sources and sinks of anthropogenic heat: Capacities and limits (pages 7285–7301)

      Gabriel Fink, Martin Schmid and Alfred Wüest

      Article first published online: 15 SEP 2014 | DOI: 10.1002/2014WR015509

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      Key Points

      • Heat use is simulated at a large temperate lake with a k-epsilon model
      • Regional impact of heat use on water temperature is minimal
      • Climate-induced effects overtop heat use
    14. Mapping variability of soil water content and flux across 1–1000 m scales using the Actively Heated Fiber Optic method (pages 7302–7317)

      Chadi Sayde, Javier Benitez Buelga, Leonor Rodriguez-Sinobas, Laureine El Khoury, Marshall English, Nick van de Giesen and John S. Selker

      Article first published online: 16 SEP 2014 | DOI: 10.1002/2013WR014983

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      Key Points

      • AHFO method can capture a complex spatial pattern of soil water content and flux
      • Soil moisture is measured with high temporal (1 h) and spatial (1 m) resolution
      • The calibration of the AHFO method remains challenging
    15. Potential groundwater age tracer found: Halon-1301 (CF3Br), as previously identified as CFC-13 (CF3Cl) (pages 7318–7331)

      Monique Beyer, Rob van der Raaij, Uwe Morgenstern and Bethanna Jackson

      Article first published online: 16 SEP 2014 | DOI: 10.1002/2014WR015818

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      Key Points

      • Halon-1301 is easily determinable in 1 L water samples
      • Halon-1301 possesses important key properties for application as tracer
      • We advise further assessment of its applicability and reliability as an age tracer
    16. Blind source separation for groundwater pressure analysis based on nonnegative matrix factorization (pages 7332–7347)

      Boian S. Alexandrov and Velimir V. Vesselinov

      Article first published online: 17 SEP 2014 | DOI: 10.1002/2013WR015037

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      Key Points

      • Transient data by itself can reveal the physical sources causing the transients
      • Inverse methods can identify the sources of the transients
      • Blind source separation based on nonnegative matrix factorization is applied
    17. Water-saving impacts of Smart Meter technology: An empirical 5 year, whole-of-community study in Sydney, Australia (pages 7348–7358)

      Kirsten Davies, Corinna Doolan, Robin van den Honert and Rose Shi

      Article first published online: 18 SEP 2014 | DOI: 10.1002/2014WR015812

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      Key Points

      • Trial participants used 6.4% less water per month; control group consumed more
      • The reduction in water consumption was maintained over time
      • Long-term behavioral change motivated through Smart Metering
    18. Quantifying storage changes in regional Great Lakes watersheds using a coupled subsurface-land surface process model and GRACE, MODIS products (pages 7359–7377)

      Jie Niu, Chaopeng Shen, Shu-Guang Li and Mantha S. Phanikumar

      Article first published online: 19 SEP 2014 | DOI: 10.1002/2014WR015589

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      Key Points

      • Quantified water budgets and storage changes in two Great Lakes watersheds
      • Storage increased in both watersheds over a 10 year period (2002–2012)
      • Application of a process-based watershed model to regional watersheds
    19. Joint numerical microscale simulations of multiphase flow and NMR relaxation behavior in porous media using Lattice Boltzmann methods (pages 7378–7393)

      O. Mohnke, M. Stiebler and N. Klitzsch

      Article first published online: 19 SEP 2014 | DOI: 10.1002/2013WR014684

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      Key Points

      • Establishing a numerical experimental frame to simulate NMR and two-phase flow
      • Implementing NMR diffusion equation in LBM
      • Simulate natural complex pore systems
    20. Perirheic mixing and biogeochemical processing in flow-through and backwater floodplain wetlands (pages 7394–7405)

      C. Nathan Jones, Durelle T. Scott, Brandon L. Edwards and Richard F. Keim

      Article first published online: 19 SEP 2014 | DOI: 10.1002/2014WR015647

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      Key Points

      • Temporal and spatial variation in biogeochemical gradients observed in floodplain
      • Flushing, advection, and accumulation were dominant processes observed in flood
      • Residence time and perirheic mixing influence biogeochemistry in the floodplain
    21. Microbial dispersal in unsaturated porous media: Characteristics of motile bacterial cell motions in unsaturated angular pore networks (pages 7406–7429)

      Ali N. Ebrahimi and Dani Or

      Article first published online: 22 SEP 2014 | DOI: 10.1002/2014WR015897

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      Key Points

      • Evaluation of pore space geometry effects on microbial dispersal
      • Studying the role of chemotactic motion versus random walk
      • Quantification of the role of aqueous phase fragmentation on microbial dispersal
    22. Analytical solutions for stream-aquifer flow exchange under varying head asymmetry and river penetration: Comparison to numerical solutions and use in regional groundwater models (pages 7430–7444)

      Cinzia Miracapillo and Hubert J. Morel-Seytoux

      Article first published online: 22 SEP 2014 | DOI: 10.1002/2014WR015456

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      Key Points

      • Means to quantify accurately a stream-aquifer interaction
      • A means to choose a grid size to be sufficiently accurate
      • Combines effectively analytical with numerical procedures
    23. Process consistency in models: The importance of system signatures, expert knowledge, and process complexity (pages 7445–7469)

      M. Hrachowitz, O. Fovet, L. Ruiz, T. Euser, S. Gharari, R. Nijzink, J. Freer, H. H. G. Savenije and C. Gascuel-Odoux

      Article first published online: 24 SEP 2014 | DOI: 10.1002/2014WR015484

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      Key Points

      • Expert-knowledge-based prior information has strong constraining power
      • Complex models with prior constraints are consistent and robust
      • Uncalibrated but constrained complex models outperform standard models
    24. Orienting the camera and firing lasers to enhance large scale particle image velocimetry for streamflow monitoring (pages 7470–7483)

      Flavia Tauro, Maurizio Porfiri and Salvatore Grimaldi

      Article first published online: 24 SEP 2014 | DOI: 10.1002/2014WR015952

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      Key Points

      • Camera is oriented with its axis perpendicular to the water surface
      • Field of view calibration through a system of lasers
      • LSPIV accuracy is improved by relating velocity data to tracer density
    25. On the mechanism of field-scale solute transport: Insights from numerical simulations and field observations (pages 7484–7504)

      David Russo, Asher Laufer, Zev Gerstl, Daniel Ronen, Noam Weisbrod and Eitan Zentner

      Article first published online: 25 SEP 2014 | DOI: 10.1002/2014WR015514

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      Key Points

      • Field transport is better quantified by MIM model than by ADE model
      • Reconstruction of measured profiles by the MIM model is feasible
      • ADE model underestimates GW pollution compared with MIM model
  3. Data and Analysis Note

    1. Top of page
    2. Issue Information
    3. Research Articles
    4. Data and Analysis Note
    5. Opinion Article
    6. Comment
    7. Reply
    8. Comment
    9. Reply
    1. The WFDEI meteorological forcing data set: WATCH Forcing Data methodology applied to ERA-Interim reanalysis data (pages 7505–7514)

      Graham P. Weedon, Gianpaolo Balsamo, Nicolas Bellouin, Sandra Gomes, Martin J. Best and Pedro Viterbo

      Article first published online: 17 SEP 2014 | DOI: 10.1002/2014WR015638

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      Key Points

      • Global three hourly meteorological forcing data at half-degree spatial resolution
      • Covers 1979–2012
      • Improvements compared to the WATCH forcing data
  4. Opinion Article

    1. Top of page
    2. Issue Information
    3. Research Articles
    4. Data and Analysis Note
    5. Opinion Article
    6. Comment
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    1. Water resources management in a homogenizing world: Averting the Growth and Underinvestment trajectory (pages 7515–7526)

      Ali Mirchi, David W. Watkins Jr., Casey J. Huckins, Kaveh Madani and Peder Hjorth

      Article first published online: 2 SEP 2014 | DOI: 10.1002/2013WR015128

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      Key Points

      • Growth and Underinvestment (G&U) system archetype characterizes unsustainability
      • Biotic homogenization driven by water resources development exemplifies G&U
      • Policy levers are identified to avoid the G&U trajectory
  5. Comment

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  7. Comment

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