Water Resources Research

Cover image for Vol. 50 Issue 8

Accepted Articles (Accepted, unedited articles published online and citable. The final edited and typeset version of record will appear in future.)

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


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  1. Research Articles

    1. 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

      Accepted manuscript online: 19 SEP 2014 09:43PM EST | DOI: 10.1002/2013WR014501

      Key Points

      • Highlighted the need for applying a groundwater recharge parameterization
      • New parameterization improved surface soil moisture simulations
      • New parameterization affected all simulated water cycle parameters
    2. Spatially variable water table recharge and the hillslope hydrologic response: Analytical solutions to the linearized hillslope Boussinesq equation

      David N. Dralle, Gabrielle F.S. Boisramé and Sally E. Thompson

      Accepted manuscript online: 19 SEP 2014 09:17PM EST | DOI: 10.1002/2013WR015144

      Key Points

      • To derive new analytical solutions in hydraulic groundwater theory
      • Spatially variable recharge alters hillslope base flow discharge properties
      • Spatially variable recharge alters the hydrologic effects of topography
    3. Channel evolution after dam removal in a poorly sorted sediment mixture: Experiments and numerical model

      Carles Ferrer-Boix, Juan Pedro Martín-Vide and Gary Parker

      Accepted manuscript online: 19 SEP 2014 03:57AM EST | DOI: 10.1002/2014WR015550

      Key Points

      • New experiments on dam removal using poorly sorted mixture
      • Erosional narrowing-widening confirmed with poorly sorted mixtures
      • Numerical model highlights the key role played by mixtures after a dam removal
    4. Falling head ponded infiltration in the nonlinear limit

      D. Triadis

      Accepted manuscript online: 19 SEP 2014 03:00AM EST | DOI: 10.1002/2014WR015787

      Key Points

      • New solutions are derived for infiltration under depleted ponded surface water
      • Errors in using Philip's popular Green-Ampt solution are quantified
      • A mathematically simple "converse" to the Green-Ampt solution is presented
    5. Nonlinear time series modeling of unconfined groundwater head

      T. J. Peterson and A. W. Western

      Accepted manuscript online: 17 SEP 2014 03:09AM EST | DOI: 10.1002/2013WR014800

      Key Points

      • Groundwater hydrograph models cannot simulate episodic recharge and droughts
      • Nonlinear transformation of climate forcing overcame these weaknesses
      • Robust calibration required reformulation of existing time-series equations
    6. Physical context for theoretical approaches to sediment transport magnitude-frequency analysis in alluvial channels

      Joel Sholtes, Kevin Werbylo and Brian Bledsoe

      Accepted manuscript online: 17 SEP 2014 03:09AM EST | DOI: 10.1002/2014WR015639

      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
    7. Use of an entropy-based metric in multiobjective calibration to improve model performance

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

      Accepted manuscript online: 17 SEP 2014 03:07AM EST | DOI: 10.1002/2013WR014537

      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
  2. Technical Reports: Methodss

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

      Patrick M. Reed and David Hadka

      Accepted manuscript online: 17 SEP 2014 03:04AM EST | DOI: 10.1002/2014WR015976

      Key Points

      • Water management risks require transformative computational frameworks
      • Parallelization of the Borg optimization framework has exascale scalability
      • Exascale search can transform water management applications
  3. Research Articles

    1. Willingness to pay and willingness to work for improvements of municipal and community-managed water services

      William F. Vásquez

      Accepted manuscript online: 17 SEP 2014 03:01AM EST | DOI: 10.1002/2014WR015913

      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
    2. Spatially implemented Bayesian network model to assess environmental impacts of water managementmain

      Ryan R. Morrison and Mark C. Stone

      Accepted manuscript online: 16 SEP 2014 04:07AM EST | DOI: 10.1002/2014WR015600

      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
    3. Using a Bayesian hierarchical model to improve Lake Erie cyanobacteria bloom forecasts

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

      Accepted manuscript online: 16 SEP 2014 04:00AM EST | DOI: 10.1002/2014WR015616

      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
  4. Review Articles

    1. A drought index accounting for snow

      Maria Staudinger, Kerstin Stahl and Jan Seibert

      Accepted manuscript online: 16 SEP 2014 03:54AM EST | DOI: 10.1002/2013WR015143

      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. Research Articles

    1. Relating soil specific surface area, water film thickness, and water vapor adsorption

      Tairone Paiva Leão and Markus Tuller

      Accepted manuscript online: 12 SEP 2014 12:59PM EST | DOI: 10.1002/2013WR014941

      Key Points

      • SSA is related to the slope of the water content versus film thickness function
      • SSA can be estimated as the slope of a plot of water content at monolayer
      • Film thickness can be predicted from adapted t-curve method
    2. 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

      Accepted manuscript online: 12 SEP 2014 12:07PM EST | DOI: 10.1002/2013WR014531

      Key Points

      • ERA adds point of view, multitype networks, and embedded intensity to LCA
      • Embedded virtual water flows from low to high water efficiency states
      • Accountant point of view causes mismatch between assessed and physical realities
    3. 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

      Accepted manuscript online: 12 SEP 2014 11:47AM EST | DOI: 10.1002/2014WR015361

      Key Points

      • Examine assumption of solute spatial periodicity for a bed form model
      • Multibed form solute and thermal numerical models are analysed
      • Valid scenarios for solute periodic assumption are identified
    4. A hidden Markov model combined with climate indices for multidecadal streamflow simulation

      C. Bracken, B. Rajagopalan and E. Zagona

      Accepted manuscript online: 12 SEP 2014 11:31AM EST | DOI: 10.1002/2014WR015567

      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
    5. Pore by pore capillary pressure measurements using X-ray microtomography at reservoir conditions: Curvature, snap-off, and remobilization of residual CO2

      Matthew Andrew, Branko Bijeljic and Martin J. Blunt

      Accepted manuscript online: 12 SEP 2014 05:04AM EST | DOI: 10.1002/2014WR015970

      Key Points

      • In situ capillary pressure was found by measuring interfacial curvature
      • Trapping was examined by comparing local pore shape to capillary pressure
      • We present a new formulation of capillary number based on pore-scale physics
    6. Quantitative generalizations for catchment sediment yield following forest logging

      James C. Bathurst and Andrés Iroumé

      Accepted manuscript online: 12 SEP 2014 04:54AM EST | DOI: 10.1002/2014WR015711

      Key Points

      • Quantitative generalizations are derived for logging impact on sediment yield
      • Postlogging sediment yield increase lies within an order of magnitude
      • Sediment yield appears unaffected by the proportion of catchment logged
    7. 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

      Accepted manuscript online: 12 SEP 2014 04:18AM EST | DOI: 10.1002/2013WR015040

      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
    8. 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

      Accepted manuscript online: 12 SEP 2014 04:10AM EST | DOI: 10.1002/2013WR014949

      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
    9. 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

      Accepted manuscript online: 12 SEP 2014 12:04AM EST | DOI: 10.1002/2014WR015320

      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
    10. Solute transport in low-heterogeneity sand boxes: The role of correlation length and permeability variance

      Peyman Heidari and Li Li

      Accepted manuscript online: 11 SEP 2014 11:55PM EST | DOI: 10.1002/2013WR014654

      Key Points

      • Large correlation length leads to distinct stages of solute breakthrough
      • The 2-D ADE reproduces the BTC in HCO with lowest deviation from data
      • Correlation length potentially has stronger control than permeability variance
    11. A new formulation for steady multiaquifer flow; an analytic element for piecewise constant infiltration

      O.D.L. Strack and Taha Namazi

      Accepted manuscript online: 11 SEP 2014 09:47AM EST | DOI: 10.1002/2014WR015479

      Key Points

      • New formulation for multiaquifer flow
      • An analytic element for piecewise constant infiltration
      • Leakage factors for multiaquifer flow
    12. 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

      Accepted manuscript online: 11 SEP 2014 09:46AM EST | DOI: 10.1002/2013WR015198

      Key Points

      • Deposited colloids were detached by the moving contact lines
      • Interaction energy between colloids and interfaces was calculated
      • Capillary force plays important role in colloid attachment at the contact line
    13. Assimilation of point SWE data into a distributed snow cover model comparing two contrasting methods

      Jan Magnusson, David Gustafsson, Fabia Hüsler and Tobias Jonas

      Accepted manuscript online: 11 SEP 2014 05:38AM EST | DOI: 10.1002/2014WR015302

      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
    14. 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

      Accepted manuscript online: 9 SEP 2014 02:26PM EST | DOI: 10.1002/2013WR015233

      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
    15. Bayesian inference of a lake water quality model by emulating its posterior density

      A. Dietzel and P. Reichert

      Accepted manuscript online: 9 SEP 2014 02:10PM EST | DOI: 10.1002/2012WR013086

      Key Points

      • A GASP emulator can accelerate statistical inference of model parameters
      • The method enables uncertainty estimation for computationally demanding models
      • The shown technique can be an alternative to emulate the full, dynamic model
    16. A dynamic watershed model for determining the effects of transient storage on nitrogen export to rivers

      Dingjiang Chen, Minpeng Hu and Randy A. Dahlgren

      Accepted manuscript online: 9 SEP 2014 02:09PM EST | DOI: 10.1002/2014WR015852

      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
    17. Hybrid modeling and receding horizon control of sewer networks

      Bernat Joseph-Duran, Carlos Ocampo-Martinez and Gabriela Cembrano

      Accepted manuscript online: 9 SEP 2014 02:09PM EST | DOI: 10.1002/2013WR015119

      Key Points

      • Sewer network modeling: common sewer network elements are modeled individually
      • Optimal control problem formulation for hybrid linear delayed systems
      • Case study: a receding horizon control strategy is applied to a real network
    18. 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

      Accepted manuscript online: 9 SEP 2014 02:07PM EST | DOI: 10.1002/2013WR014292

      Key Points

      • In situ measurements show macroturbulence-driven suspended sediment transport
      • Macroturbulent structures above bed forms vary in scale between tidal phases
      • Scale difference is attributed to change in active bed form scale
    19. A novel infrastructure modularity index for the segmentation of water distribution networks

      O. Giustolisi and L. Ridolfi

      Accepted manuscript online: 8 SEP 2014 04:13AM EST | DOI: 10.1002/2014WR016067

      Key Points

      • A general quantitative approach for water distribution network segmentation
      • No resolution limit
      • Proposed approach is discussed and tested on real water networks
    20. Spatiotemporal variation of long-term drought propensity through reliability-resilience-vulnerability-based drought management index

      Kironmala Chanda, Rajib Maity, Ashish Sharma and Rajeshwar Mehrotra

      Accepted manuscript online: 8 SEP 2014 04:12AM EST | DOI: 10.1002/2014WR015703

      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
    21. Orienting the camera and firing lasers to enhance large-scale particle image velocimetry for streamflow monitoring

      Flavia Tauro, Maurizio Porfiri and Salvatore Grimaldi

      Accepted manuscript online: 8 SEP 2014 04:11AM EST | DOI: 10.1002/2014WR015952

      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
    22. 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

      Accepted manuscript online: 8 SEP 2014 04:07AM EST | DOI: 10.1002/2013WR015187

      Key Points

      • Adaptive optimization framework developed for use in a operational setting
      • Improved ecological response compared with long-term planning approaches
      • Ecological response increased with minimal disruption to existing schedules
    23. Effects of rainfall spatial variability and intermittency on shallow landslide triggering patterns at a catchment scale

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

      Accepted manuscript online: 4 SEP 2014 04:31AM EST | DOI: 10.1002/2013WR015122

      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
  6. 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

      Accepted manuscript online: 4 SEP 2014 04:14AM EST | DOI: 10.1002/2013WR015191

      Key Points

      • Riesel Watersheds are a nested watershed network with 75 years of measured data
      • Database contains discharge, erosion, management, and climatic data (1938-2012)
      • Nutrient concentrations measured in storm runoff, baseflow, and rainfall included
  7. Research Articles

    1. On the mechanism of field-scale solute transport: Insights from numerical simulations and field observations

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

      Accepted manuscript online: 4 SEP 2014 03:53AM EST | DOI: 10.1002/2014WR015514

      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
    2. Process consistency in models: The importance of system signatures, expert knowledge, and process complexity

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

      Accepted manuscript online: 2 SEP 2014 03:42AM EST | DOI: 10.1002/2014WR015484

      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
    3. 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

      Accepted manuscript online: 30 AUG 2014 04:30AM EST | DOI: 10.1002/2013WR014947

      Key Points

      • GPR and petrophysical modeling allows estimation of porosity at centimeter scale
      • GPR measures allow estimation of solid phase dielectric permittivity
      • Multiscale approach necessary for estimating porosity in limestone
    4. Beyond optimality: Multistakeholder robustness trade-offs for regional water portfolio planning under deep uncertainty

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

      Accepted manuscript online: 23 AUG 2014 02:48AM EST | DOI: 10.1002/2014WR015338

      Key Points

      • We advance many-objective robust decision making for multiple stakeholders
      • Stakeholders' robustness exhibits dependencies, vulnerabilities, and trade-offs
      • A modest reduction in demand growth rate insulates against future uncertainty
    5. Quantitative characterization of stream turbidity-discharge behavior using event loop shape modeling and power law parameter decorrelation

      Amanda L. Mather and Richard L. Johnson

      Accepted manuscript online: 21 AUG 2014 10:51PM EST | DOI: 10.1002/2014WR015417

      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
    6. 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

      Accepted manuscript online: 21 AUG 2014 10:33PM EST | DOI: 10.1002/2014WR015549

      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
    7. Mathematical analysis of the Saint-Venant-Hirano model for mixed-sediment morphodynamics

      G. Stecca, A. Siviglia and A. Blom

      Accepted manuscript online: 19 AUG 2014 04:30AM EST | DOI: 10.1002/2014WR015251

      Key Points

      • We provide a detailed mathematical analysis of the Saint-Venant-Hirano model
      • Imbalances of grain size distribution induce complex bed perturbation patterns
      • The developed formulation is easily amenable to numerical treatment
    8. Climate change, water rights, and water supply: The case of irrigated agriculture in Idaho

      Wenchao Xu, Scott E. Lowe and Richard M. Adams

      Accepted manuscript online: 27 FEB 2014 05:57AM EST | DOI: 10.1002/2013WR014696

      Key Points

      • Farmers' responses to water supply changes depend on their water right priority
      • Climate change variations can cause substantial damages to irrigated agriculture
      • Major losses (up to 32%) are projected under future climate scenarios in Idaho


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