Water Resources Research

Cover image for Vol. 50 Issue 9

Early View (Online Version of Record published before inclusion in an issue)

Impact Factor: 3.709

ISI Journal Citation Reports © Ranking: 2013: 1/20 (Limnology); 3/79 (Water Resources); 25/215 (Environmental Sciences)

Online ISSN: 1944-7973

VIEW

  1. 1 - 40
  1. Research Articles

    1. Combining the bulk transfer formulation and surface renewal analysis for estimating the sensible heat flux without involving the parameter kB−1

      F. Castellví, P. Gavilán and M. P. González-Dugo

      Article first published online: 21 OCT 2014 | DOI: 10.1002/2013WR014950

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      Key Points

      • Often, the sensible heat flux is estimated using the Ohm's law analogy, HOhm
      • HOhm involves the canopy parameter, inline image, that is difficult to interpret
      • A method is proposed that does not involve inline image; it is an alternative to HOhm
    2. Lateral subsurface stormflow and solute transport in a forested hillslope: A combined measurement and modeling approach

      Hanne Laine-Kaulio, Soile Backnäs, Tuomo Karvonen, Harri Koivusalo and Jeffrey J. McDonnell

      Article first published online: 21 OCT 2014 | DOI: 10.1002/2014WR015381

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      Key Points

      • Preferential flow mechanisms control lateral subsurface stormflow in forest till
      • A two pore domain approach is needed to model the coupled flow and transport
      • Tracer data facilitate the model parameterization and testing
    3. Micromodel study of two-phase flow under transient conditions: Quantifying effects of specific interfacial area

      N. K. Karadimitriou, S. M. Hassanizadeh, V. Joekar-Niasar and P. J. Kleingeld

      Article first published online: 21 OCT 2014 | DOI: 10.1002/2014WR015388

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      Key Points

      • Specific interfacial area depends on dynamic conditions
      • Interfacial velocity and production term show similar trends
      • Further investigation of the dynamic conditions and of all interfaces is needed
    4. Runoff sources and flow paths in a partially burned, upland boreal catchment underlain by permafrost

      Joshua C. Koch, Colin P. Kikuchi, Kimberly P. Wickland and Paul Schuster

      Article first published online: 21 OCT 2014 | DOI: 10.1002/2014WR015586

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      Key Points

      • Boreal catchment runoff is dictated by soil heterogeneity and preferential flow
      • Burned slopes promote runoff and export
      • Unburned slopes promote longer-term storage
    5. Spatially implemented Bayesian network model to assess environmental impacts of water management

      Ryan R. Morrison and Mark C. Stone

      Article first published online: 21 OCT 2014 | DOI: 10.1002/2014WR015600

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      Key Points

      • Spatial hydrodynamic variability is important for riparian recruitment
      • Bayesian network models explicitly include uncertainties of ecological processes
      • Small water management changes can have large impacts on riparian processes
    6. Numerical study of evaporation-induced salt accumulation and precipitation in bare saline soils: Mechanism and feedback

      Chenming Zhang, Ling Li and David Lockington

      Article first published online: 18 OCT 2014 | DOI: 10.1002/2013WR015127

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      Key Points

      • The interactions between evaporation and salt precipitation
      • Numerical model simulating the transport of water, solute, and heat
      • Efflorescence affects more significantly evaporation than subflorescence
    7. Use of an entropy-based metric in multiobjective calibration to improve model performance

      I. G. Pechlivanidis, B. Jackson, H. McMillan and H. Gupta

      Article first published online: 18 OCT 2014 | DOI: 10.1002/2013WR014537

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      Key Points

      • CED provides an appropriate quantitative measure of fit to the FDC
      • Complements between CED and KGE extracted flow information
      • CED-KGE achieves better performance than single or common multiobjectives
    8. Willingness to pay and willingness to work for improvements of municipal and community-managed water services

      William F. Vásquez

      Article first published online: 16 OCT 2014 | DOI: 10.1002/2014WR015913

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      Key Points

      • Households with municipal services are willing to work for improved services
      • Households with municipal services are willing to pay for improved services
      • Households with community-managed services are unwilling to pay or work
    9. Sensitivity of power functions to aggregation: Bias and uncertainty in radar rainfall retrieval

      M. G. Sassi, H. Leijnse and R. Uijlenhoet

      Article first published online: 16 OCT 2014 | DOI: 10.1002/2013WR015109

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      Key Points

      • Nonlinear rainfall retrieval relations are susceptible to aggregation bias
      • High-resolution radar data can help to constrain aggregation bias
      • Aggregation bias can become of the same order as that of intermittent sampling
    10. Coupling ground and airborne geophysical data with upscaling techniques for regional groundwater modeling of heterogeneous aquifers: Case study of a sedimentary aquifer intruded by volcanic dykes in Northern Ireland

      Neil Edwin Matthew Dickson, Jean-Christophe Comte, Jennifer McKinley and Ulrich Ofterdinger

      Article first published online: 16 OCT 2014 | DOI: 10.1002/2014WR015320

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      Key Points

      • Contrasting field-scale permeability values are upscaled to a regional context
      • Multiscale geophysics assist with equivalent permeability distribution
      • Different levels of upscaling are evaluated with finite element flow modeling
    11. Improving the surface-ground water interactions in the Community Land Model: Case study in the Blue Nile Basin

      Di D. Wu, Emmanouil N. Anagnostou, Guiling Wang, Semu Moges and Matteo Zampieri

      Article first published online: 16 OCT 2014 | DOI: 10.1002/2013WR014501

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      Key Points

      • Highlighted the need for applying a ground water recharge parameterization
      • New parameterization improved surface soil moisture simulations
      • New parameterization affected all simulated water cycle parameters
    12. Patterns of local and nonlocal water resource use across the western U.S. determined via stable isotope intercomparisons

      Stephen P. Good, Casey D. Kennedy, Jeremy C. Stalker, Lesley A. Chesson, Luciano O. Valenzuela, Melanie M. Beasley, James R. Ehleringer and Gabriel. J. Bowen

      Article first published online: 16 OCT 2014 | DOI: 10.1002/2014WR015884

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      Key Points

      • Isotopic inconsistency between surface and tap water indicates nonlocal water
      • Surface and rainwater comparisons form a joint estimate of nonlocal water
      • Affluent basins with low surface water availability are likely to import water
    13. A new formulation for steady multiaquifer flow: An analytic element for piecewise constant infiltration

      O. D. L. Strack and Taha Namazi

      Article first published online: 13 OCT 2014 | DOI: 10.1002/2014WR015479

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      Key Points

      • New formulation for multiaquifer flow
      • An analytic element for piecewise constant infiltration
      • Leakage factors for multiaquifer flow
    14. Embedded resource accounting for coupled natural-human systems: An application to water resource impacts of the western U.S. electrical energy trade

      Benjamin L. Ruddell, Elizabeth A. Adams, Richard Rushforth and Vincent C. Tidwell

      Article first published online: 13 OCT 2014 | DOI: 10.1002/2013WR014531

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      Key Points

      • ERA adds point of view, multitype networks, and embedded intensity to LCA
      • Embedded virtual water flows are from lower to higher water value intensity states
      • Accountant's point of view may cause mismatch between assessed and physical realities
    15. Exact versus Dupuit interface flow in anisotropic coastal aquifers

      Mark Bakker

      Article first published online: 13 OCT 2014 | DOI: 10.1002/2014WR016096

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      Key Points

      • New exact solution for interface flow in confined aquifer
      • Dupuit interface gives good prediction of toe position in isotropic aquifers
      • Lumped resistance along streambed improves Dupuit models with anisotropy
    16. Multiobjective optimization of cluster-scale urban water systems investigating alternative water sources and level of decentralization

      J. P. Newman, G. C. Dandy and H. R. Maier

      Article first published online: 10 OCT 2014 | DOI: 10.1002/2013WR015233

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      Key Points

      • A framework is presented for planning cluster scale systems incorporating IUWM
      • Rain water use is not Pareto-optimal; in general, wastewater reuse is better
      • Nontraditional water sources are competitive in cost and energy requirements
  2. Technical Reports: Methods

    1. Evolving many-objective water management to exploit exascale computing

      Patrick M. Reed and David Hadka

      Article first published online: 9 OCT 2014 | DOI: 10.1002/2014WR015976

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      Key Points

      • Water management in a changing world needs transformative computational tools
      • Multimaster parallelization of Borg optimization framework has exascale scalability
      • Exascale search is transformative for large scale water management applications
  3. Research Articles

    1. Physical context for theoretical approaches to sediment transport magnitude-frequency analysis in alluvial channels

      Joel Sholtes, Kevin Werbylo and Brian Bledsoe

      Article first published online: 9 OCT 2014 | DOI: 10.1002/2014WR015639

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      Key Points

      • We test and expand on theoretical approach to sediment magnitude-frequency analysis
      • PDFs representing river flow overweight effectiveness of infrequent flows
      • Adding complexity to theoretical approach helps explain empirical findings
    2. Spatial periodicity in bed form-scale solute and thermal transport models of the hyporheic zone

      Tariq Laattoe, Adrian D. Werner and Vincent E. A. Post

      Article first published online: 9 OCT 2014 | DOI: 10.1002/2014WR015361

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      Key Points

      • Assumption of solute spatial periodicity in a hyporheic zone bed form model is examined
      • Multibed form solute and thermal models are analyzed
      • Scenarios where the assumption of solute spatial periodicity is valid are identified
    3. Relating soil specific surface area, water film thickness, and water vapor adsorption

      Tairone Paiva Leão and Markus Tuller

      Article first published online: 9 OCT 2014 | DOI: 10.1002/2013WR014941

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      Key Points

      • SSA is related to the slope of the water content versus film thickness function
      • SSA can be estimated from water content at monolayer
      • Film thickness can be predicted from adapted t-curve method
    4. A drought index accounting for snow

      Maria Staudinger, Kerstin Stahl and Jan Seibert

      Article first published online: 8 OCT 2014 | DOI: 10.1002/2013WR015143

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      Key Points

      • SPI concept was expanded to account for temporary snow storage
      • The SMRI improves description of hydrological drought in snow-dominated basins
      • SMRI is adjustable and allows for regional comparisons
    5. Using a Bayesian hierarchical model to improve Lake Erie cyanobacteria bloom forecasts

      Daniel R. Obenour, Andrew D. Gronewold, Craig A. Stow and Donald Scavia

      Article first published online: 8 OCT 2014 | DOI: 10.1002/2014WR015616

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      Key Points

      • Bayesian model relates cyanobacteria bloom size to phosphorus load
      • Algal bloom forecast uncertainty well characterized by gamma distribution
      • Lake Erie increasingly susceptible to large cyanobacteria blooms
    6. Quantitative characterization of stream turbidity-discharge behavior using event loop shape modeling and power law parameter decorrelation

      Amanda L. Mather and Richard L. Johnson

      Article first published online: 8 OCT 2014 | DOI: 10.1002/2014WR015417

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      Key Points

      • Turbidity data form hysteretic loops with discharge during hydrologic events
      • Diverse loop shapes can be characterized using a single power law-based model
      • Parameter decorrelation improves power law model coefficient interpretation
    7. Effects of rainfall spatial variability and intermittency on shallow landslide triggering patterns at a catchment scale

      J. von Ruette, P. Lehmann and D. Or

      Article first published online: 8 OCT 2014 | DOI: 10.1002/2013WR015122

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      Key Points

      • Variable rainfall patterns accentuate localized hydrologic responses
      • Heterogeneous rainfall patterns influence number and volumes of landslides
      • Prolonged rainfalls resulted in highest landslide activity
    8. Assimilation of point SWE data into a distributed snow cover model comparing two contrasting methods

      Jan Magnusson, David Gustafsson, Fabia Hüsler and Tobias Jonas

      Article first published online: 8 OCT 2014 | DOI: 10.1002/2014WR015302

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      Key Points

      • Evaluating methods for assimilating snow observations into distributed models
      • Assimilation can improve model skill also at locations without observations
      • Assimilation of fluxes appears more successful than assimilation of states
    9. A hidden Markov model combined with climate indices for multidecadal streamflow simulation

      C. Bracken, B. Rajagopalan and E. Zagona

      Article first published online: 8 OCT 2014 | DOI: 10.1002/2014WR015567

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      Key Points

      • Stochastic simulation of flow time series with regime-like behavior
      • The method used a gamma HM and multinomial logistic regression model
      • Model captures observed statistics and nonstationary spectral variability
    10. With or against the tide: The influence of bed form asymmetry on the formation of macroturbulence and suspended sediment patterns

      E. Kwoll, M. Becker and C. Winter

      Article first published online: 8 OCT 2014 | DOI: 10.1002/2013WR014292

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      Key Points

      • In situ measurements show macroturbulence-driven suspended sediment transport
      • Macroturbulent structures above bed forms vary in scale between tidal phases
      • Scale differences are attributable to changes in active bed form scale
    11. A dynamic watershed model for determining the effects of transient storage on nitrogen export to rivers

      Dingjiang Chen, Minpeng Hu and Randy A. Dahlgren

      Article first published online: 6 OCT 2014 | DOI: 10.1002/2014WR015852

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      Key Points

      • A dynamic watershed model is developed to address the transient N storage effect
      • Legacy anthropogenic N can contribute a dominative N flux to rivers
      • Long-term fate and transport of anthropogenic N inputs are determined
    12. Parameterization of training images for aquifer 3-D facies modeling integrating geological interpretations and statistical inference

      Sanjeev Kumar Jha, Alessandro Comunian, Gregoire Mariethoz and Bryce F. J. Kelly

      Article first published online: 6 OCT 2014 | DOI: 10.1002/2013WR014949

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      Key Points

      • A stochastic approach to construct 3-D geological facies models is presented
      • It is a geologically driven approach based on 2-D sketches
      • The approach consists of four steps: selection, extrusion, inference, and modeling
    13. Fully integrated modeling of surface-subsurface solute transport and the effect of dispersion in tracer hydrograph separation

      Jessica E. Liggett, Adrian D. Werner, Brian D. Smerdon, Daniel Partington and Craig T. Simmons

      Article first published online: 6 OCT 2014 | DOI: 10.1002/2013WR015040

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      Key Points

      • Dispersion at surface-subsurface boundary and in subsurface is compared
      • Boundary dispersion greatly affects solute transport in integrated models
      • High dispersive flux at boundary can influence tracer hydrograph separation
    14. Beyond optimality: Multistakeholder robustness tradeoffs for regional water portfolio planning under deep uncertainty

      Jonathan D. Herman, Harrison B. Zeff, Patrick M. Reed and Gregory W. Characklis

      Article first published online: 6 OCT 2014 | DOI: 10.1002/2014WR015338

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      Key Points

      • We advance many-objective robust decision making for multiple stakeholders
      • Stakeholders' robustness exhibits dependencies, vulnerabilities, and tradeoffs
      • A modest reduction in demand growth rate insulates against future uncertainty
    15. Mathematical analysis of the Saint-Venant-Hirano model for mixed-sediment morphodynamics

      G. Stecca, A. Siviglia and A. Blom

      Article first published online: 2 OCT 2014 | DOI: 10.1002/2014WR015251

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      Key Points

      • We provide a detailed mathematical analysis of the Saint-Venant-Hirano model
      • Imbalances of grainsize distribution induce complex bed perturbation patterns
      • The developed formulation is easily amenable to numerical treatment
    16. Effect of hydrophobicity on colloid transport during two-phase flow in a micromodel

      Qiulan Zhang, S. M. Hassanizadeh, B. Liu, J. F. Schijven and N. K. Karadimitriou

      Article first published online: 2 OCT 2014 | DOI: 10.1002/2013WR015198

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      Key Points

      • Deposited colloids were detached by the moving contact lines
      • Interaction energy between colloids and interfaces was calculated
      • Capillary force plays an important role in colloid attachment at the contact line
    17. Bayesian inference of a lake water quality model by emulating its posterior density

      A. Dietzel and P. Reichert

      Article first published online: 2 OCT 2014 | DOI: 10.1002/2012WR013086

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      Key Points

      • A proposed Gaussian stochastic process emulator of the posterior accelerates inference
      • The method enables uncertainty estimation for computationally demanding models
    18. Spatiotemporal variation of long-term drought propensity through reliability-resilience-vulnerability based Drought Management Index

      Kironmala Chanda, Rajib Maity, Ashish Sharma and Rajeshwar Mehrotra

      Article first published online: 2 OCT 2014 | DOI: 10.1002/2014WR015703

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      Key Points

      • Drought Management Index (DMI) quantifies the drought propensity
      • Spatiotemporal variation of DMI helps in adapting management policies
      • Predictive potential of DMI can be used to assess the future drought propensity
    19. An adaptive ant colony optimization framework for scheduling environmental flow management alternatives under varied environmental water availability conditions

      J. M. Szemis, H. R. Maier and G. C. Dandy

      Article first published online: 2 OCT 2014 | DOI: 10.1002/2013WR015187

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      Key Points

      • Adaptive optimization framework developed for use in an operational setting
      • The framework showing advantages compared with long-term planning approaches
      • Ecological response increased with minimal disruption to existing schedules
    20. A novel infrastructure modularity index for the segmentation of water distribution networks

      O. Giustolisi and L. Ridolfi

      Article first published online: 2 OCT 2014 | DOI: 10.1002/2014WR016067

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      Key Points

      • A general quantitative approach for water distribution network segmentation
      • No resolution limit
      • Proposed approach is discussed and tested on real water networks
    21. Estimating porosity and solid dielectric permittivity in the Miami Limestone using high-frequency ground penetrating radar (GPR) measurements at the laboratory scale

      Gregory J. Mount and Xavier Comas

      Article first published online: 2 OCT 2014 | DOI: 10.1002/2013WR014947

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      Key Points

      • Petrophysical modeling allows centimeter scale estimation of limestone porosity
      • Dry and wet GPR measures also allow estimating the solid phase dielectric permittivity
      • Study shows the need for multiscale approach for estimating porosity in limestone
  4. Data and Analysis notes

    1. USDA-ARS Riesel Watersheds, Riesel, Texas, USA: Water quality research database

      R. Daren Harmel, Richard L. Haney, Douglas R. Smith, Michael White and Kevin W. King

      Article first published online: 2 OCT 2014 | DOI: 10.1002/2013WR015191

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      Key Points

      • Riesel Watersheds are a nested watershed network with 75 years of measured data
      • Database contains discharge, erosion, land management, climatic data (1938–2012)
      • Nutrient concentrations measured in storm runoff, base flow, rainfall now included
  5. Research Articles

    1. Robust changes and sources of uncertainty in the projected hydrological regimes of Swiss catchments

      Nans Addor, Ole Rössler, Nina Köplin, Matthias Huss, Rolf Weingartner and Jan Seibert

      Article first published online: 1 OCT 2014 | DOI: 10.1002/2014WR015549

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      Key Points

      • Uncertainties in discharge projections assessed using a wide simulation range
      • Robust changes emerged in each catchment despite projection uncertainties
      • Emission policy enabled significant reductions of the projected impacts

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