Water Resources Research

Cover image for Vol. 51 Issue 1

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); 3/81 (Water Resources); 25/216 (Environmental Sciences)

Online ISSN: 1944-7973

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  1. 1 - 35
  1. Research Articles

    1. Anomalous solute transport in saturated porous media: Relating transport model parameters to electrical and nuclear magnetic resonance properties

      Ryan D. Swanson, Andrew Binley, Kristina Keating, Samantha France, Gordon Osterman, Frederick D. Day-Lewis and Kamini Singha

      Article first published online: 27 FEB 2015 | DOI: 10.1002/2014WR015284

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      Key Points:

      • NMR cannot be used to separate mobile and less-mobile porosities for transport
      • Electrical resistivity is a diagnostic tool to evaluate pore connectivity
      • Complex conductivity responses are not related to solute diffusion length scales
    2. Impacts of rainfall spatial variability on hydrogeological response

      Gonzalo Sapriza-Azuri, Jorge Jódar, Vicente Navarro, Luit Jan Slooten, Jesús Carrera and Hoshin V. Gupta

      Article first published online: 27 FEB 2015 | DOI: 10.1002/2014WR016168

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      Key Points:

      • RSV has a significant impact on the response of a hydrogeological system
      • Groundwater recharge is very sensitive to the degree of RSV
      • The system is less affected by pumping when the detailed RSV is represented
    3. North American precipitation isotope (δ18O) zones revealed in time series modeling across Canada and northern United States

      C. Delavau, K. P. Chun, T. Stadnyk, S. J. Birks and J. M. Welker

      Article first published online: 27 FEB 2015 | DOI: 10.1002/2014WR015687

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      Key Points:

      • Empirical models are developed to simulate 18O of monthly precipitation
      • Precipitable water content describes the most variance in precipitation 18O
      • Uncertainty in modeling monthly and long-term precipitation 18O is assessed
    4. Impact of space-time mesh adaptation on solute transport modeling in porous media

      Bahman Esfandiar, Giovanni Porta, Simona Perotto and Alberto Guadagnini

      Article first published online: 27 FEB 2015 | DOI: 10.1002/2014WR016569

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      Key Points:

      • We interpret solute transport experiment by a space-time adaptive methodology
      • Adaptive method improves the quality of ML estimates of model dispersivities
      • Discretization strategy markedly affects propagation of parametric uncertainty
    5. A data-driven approach to develop physically sound predictors: Application to depth-averaged velocities on flows through submerged arrays of rigid cylinders

      R. O. Tinoco, E. B. Goldstein and G. Coco

      Article first published online: 27 FEB 2015 | DOI: 10.1002/2014WR016380

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      Key Points:

      • Genetic programming predicts mean flows with submerged arrays of cylinders
      • The predictor is developed using nondimensional experimental data
      • The predictor is physically sound, simpler, and as accurate as other predictors
    6. Evaluating observational methods to quantify snow duration under diverse forest canopies

      Susan E. Dickerson-Lange, James A. Lutz, Kael A. Martin, Mark S. Raleigh, Rolf Gersonde and Jessica D. Lundquist

      Article first published online: 26 FEB 2015 | DOI: 10.1002/2014WR015744

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      Key Points:

      • Three methods to observe snow-covered area in forests are compared
      • Optimal spacing for snow detection with temperature sensors is addressed
      • Snow persists longer in gaps versus under forest canopies at this study site
    7. Toward a true spatial model evaluation in distributed hydrological modeling: Kappa statistics, Fuzzy theory, and EOF-analysis benchmarked by the human perception and evaluated against a modeling case study

      Julian Koch, Karsten Høgh Jensen and Simon Stisen

      Article first published online: 26 FEB 2015 | DOI: 10.1002/2014WR016607

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      Key Points:

      • Quantifying the human perception in respect to pattern comparisons
      • Performance metrics for spatial evaluation of distributed hydrological models
      • Identifying complex spatial model defects by including new data in the model evaluation
    8. Blending satellite-based snow depth products with in situ observations for streamflow predictions in the Upper Colorado River Basin

      Yuqiong Liu, Christa D. Peters-Lidard, Sujay V. Kumar, Kristi R. Arsenault and David M. Mocko

      Article first published online: 26 FEB 2015 | DOI: 10.1002/2014WR016606

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      Key Points:

      • Blending satellite and in situ snow data improves streamflow prediction
      • Incorporating terrain aspect in the blending can improve the results
      • Additionally incorporating MODIS snow cover can further improve the results
    9. Untangling the effects of urban development on subsurface storage in Baltimore

      Aditi S. Bhaskar, Claire Welty, Reed M. Maxwell and Andrew J. Miller

      Article first published online: 26 FEB 2015 | DOI: 10.1002/2014WR016039

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      Key Points:

      • We developed methods for including urban features in a coupled hydrologic model
      • The effects of urban features on subsurface storage were isolated
      • Infiltration and inflow had the largest effect on subsurface storage
    10. Ecohydrologic role of solar radiation on landscape evolution

      Omer Yetemen, Erkan Istanbulluoglu, J. Homero Flores-Cervantes, Enrique R. Vivoni and Rafael L. Bras

      Article first published online: 24 FEB 2015 | DOI: 10.1002/2014WR016169

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      Key Points:

      • Energy, water, and biomass conserved in a landscape evolution model
      • Valley asymmetry attributed to distribution of solar radiation
      • Uplift enhances role of solar radiation on catchment development
    11. Temporal responses of groundwater-surface water exchange to successive storm events

      Marina Dudley-Southern and Andrew Binley

      Article first published online: 23 FEB 2015 | DOI: 10.1002/2014WR016623

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      Key Points:

      • Hyporheic zone is temporarily expanded due to storm events
      • Short-lived downwelling during events may fuel biogeochemical processes
      • Electrical conductivity is highlighted as a tracer of hyporheic travel times
    12. A physically based surface resistance model for evaporation from bare soils

      Chenming Zhang, Ling Li and David Lockington

      Article first published online: 23 FEB 2015 | DOI: 10.1002/2014WR015490

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      Key Points:

      • A physically based surface resistance model
      • Consideration of the dry soil layer thickness when the surface is oven dried
      • The hydraulic connection between the soil surface and underneath water source
  2. Review Articles

    1. Drivers of atmospheric nitrate processing and export in forested catchments

      Lucy A. Rose, Stephen D. Sebestyen, Emily M. Elliott and Keisuke Koba

      Article first published online: 23 FEB 2015 | DOI: 10.1002/2014WR015716

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      Key Points:

      • Percent atmospheric nitrate is low during baseflow in many forested catchments
      • Percent atmospheric nitrate may be high during stormflow
      • Catchment hydrology and topography influence atmospheric nitrate in streams
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  5. Research Articles

    1. Evaluating the complementary relationship of evapotranspiration in the alpine steppe of the Tibetan Plateau

      Ning Ma, Yinsheng Zhang, Jozsef Szilagyi, Yanhong Guo, Jianqing Zhai and Haifeng Gao

      Article first published online: 19 FEB 2015 | DOI: 10.1002/2014WR015493

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      Key Points:

      • The complementary relationship (CR) of evapotranspiration exists in alpine steppe
      • Local calibrations reveal the CR pattern in semiarid region of Tibetan Plateau
      • CR-based estimation of actual evapotranspiration from semiarid alpine steppe
    2. Functional error modeling for uncertainty quantification in hydrogeology

      L. Josset, D. Ginsbourger and I. Lunati

      Article first published online: 19 FEB 2015 | DOI: 10.1002/2014WR016028

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      Key Points:

      • Use an error model to predict exact response from the proxy response
      • Investigate the proxy relevance for the quantity of interest
      • Accelerate uncertainty quantification
    3. Testing a simple model of gas bubble dynamics in porous media

      Jorge A. Ramirez, Andy J. Baird, Tom J. Coulthard and J. Michael Waddington

      Article first published online: 19 FEB 2015 | DOI: 10.1002/2014WR015898

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      Key Points:

      • Spatial structure of porous media strongly affects ebullition
      • Ebullition magnitude depends on porosity and tortuosity
      • Ebullition and bubble size exhibit power law patterns
    4. Pore-scale and multiscale numerical simulation of flow and transport in a laboratory-scale column

      Timothy D. Scheibe, William A. Perkins, Marshall C. Richmond, Matthew I. McKinley, Pedro D. J. Romero-Gomez, Mart Oostrom, Thomas W. Wietsma, John A. Serkowski and John M. Zachara

      Article first published online: 19 FEB 2015 | DOI: 10.1002/2014WR015959

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      Key Points:

      • We successfully simulated pore-scale flow over a column-scale domain
      • Simulation results matched experimental observations well
      • Segmentation of X-ray image data is a critical step in accurate simulation
    5. Three-dimensional quantification of soil hydraulic properties using X-ray Computed Tomography and image-based modeling

      Saoirse R. Tracy, Keith R. Daly, Craig J. Sturrock, Neil M. J. Crout, Sacha J. Mooney and Tiina Roose

      Article first published online: 19 FEB 2015 | DOI: 10.1002/2014WR016020

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      Key Points:

      • X-ray Computed Tomography is used to image water distribution in soil
      • Three-Dimensional Computed Tomography images are combined with image-based modeling
      • Unsaturated hydraulic conductivity and the water release characteristic are obtained
    6. A faster numerical scheme for a coupled system modeling soil erosion and sediment transport

      M.-H. Le, S. Cordier, C. Lucas and O. Cerdan

      Article first published online: 19 FEB 2015 | DOI: 10.1002/2014WR015690

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      Key Points:

      • Provide a high-order, well-balanced, and positivity preserving numerical scheme
      • The solution is stable under the CFL condition of the shallow water equations
      • The discretization of soil erosion equations is less dependent on that of water
    7. Agricultural virtual water flows within the United States

      Qian Dang, Xiaowen Lin and Megan Konar

      Article first published online: 19 FEB 2015 | DOI: 10.1002/2014WR015919

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      Key Points:

      • Internal virtual water flows in the U.S. are 51% as much as global
      • The U.S. virtual water flow network is homogeneous, social, and equitable
      • A core group of U.S. States highlights potential network vulnerabilities
    8. Impact of velocity correlation and distribution on transport in fractured media: Field evidence and theoretical model

      Peter K. Kang, Tanguy Le Borgne, Marco Dentz, Olivier Bour and Ruben Juanes

      Article first published online: 18 FEB 2015 | DOI: 10.1002/2014WR015799

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      Key Points:

      • Velocity distribution and correlation induce anomalous transport
      • Field tracer experiments in fractured media show role of velocity correlation
      • The proposed model incorporates both velocity distribution and correlation
    9. Projected changes in snowfall extremes and interannual variability of snowfall in the western United States

      A. C. Lute, J. T. Abatzoglou and K. C. Hegewisch

      Article first published online: 18 FEB 2015 | DOI: 10.1002/2014WR016267

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      Key Points:

      • Extreme snowfall changes sensitive to current temperature of snowfall extremes
      • Increase in snowfall extremes relative to light and moderate snowfall
      • Increased interannual snowfall variability with fewer snow days
    10. Determining groundwater-surface water exchange from temperature-time series: Combining a local polynomial method with a maximum likelihood estimator

      G. Vandersteen, U. Schneidewind, C. Anibas, C. Schmidt, P. Seuntjens and O. Batelaan

      Article first published online: 16 FEB 2015 | DOI: 10.1002/2014WR015994

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      Key Points:

      • Development of mathematical framework of LPML method
      • Comparison of LPML method with established heat transport models
      • Discussion of results as well as advantages and limitations of LPML method
    11. A Bayesian kriging approach for blending satellite and ground precipitation observations

      Andrew Verdin, Balaji Rajagopalan, William Kleiber and Chris Funk

      Article first published online: 11 FEB 2015 | DOI: 10.1002/2014WR015963

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      Key Points:

      • Blending observed and estimated precipitation creates a more complete and accurate product
      • Drought and flood management practices require accurate precipitation estimates
      • Bayesian approaches provide more complete information and uncertainty
  6. Technical Reports: Data

    1. Breakthrough curve moments scaling in hyporheic exchange

      A. Bellin, D. Tonina and A. Marzadri

      Article first published online: 11 FEB 2015 | DOI: 10.1002/2014WR016559

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      Key Points:

      • We discuss scaling of the hyporheic BTCs simulated by our Lagrangian model
      • The skewness of the BTC is constant over a wide range of streambed morphologies
      • Scaling of the first three BTC moments is consistent with experimental data
  7. Research Articles

    1. A bivariate extension of the Hosking and Wallis goodness-of-fit measure for regional distributions

      T. R. Kjeldsen and I. Prosdocimi

      Article first published online: 11 FEB 2015 | DOI: 10.1002/2014WR015912

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      Key Points:

      • A new bivariate GOF measure for regional frequency distributions using L-moments
      • New measure performs better than existing Hosking and Wallis measure
      • New measure performs well in homogeneous but moderately correlated regions
    2. Hydroclimatic variables and acute gastro-intestinal illness in British Columbia, Canada: A time series analysis

      L. P. Galway, D. M. Allen, M. W. Parkes, L. Li and T. K. Takaro

      Article first published online: 11 FEB 2015 | DOI: 10.1002/2014WR015519

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      Key Points:

      • Hydroclimatic variables are associated with the occurrence of AGI
      • Associations differ across different hydroclimatic regimes
      • Watersheds may provide a useful context for future hydroepidemiology research
    3. Bayesian inversion of Mualem-van Genuchten parameters in a multilayer soil profile: A data-driven, assumption-free likelihood function

      Matthew W. Over, Ute Wollschläger, Carlos Andres Osorio-Murillo and Yoram Rubin

      Article first published online: 9 FEB 2015 | DOI: 10.1002/2014WR015252

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      Key Points:

      • Hierarchical simulation framework for likelihood function validation
      • Multilayer vadose zone parameter uncertainty characterization
      • Statistical representation of parameter heterogeneity
    4. Multiporosity flow in fractured low-permeability rocks

      Kristopher L. Kuhlman, Bwalya Malama and Jason E. Heath

      Article first published online: 5 FEB 2015 | DOI: 10.1002/2014WR016502

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      Key Points:

      • New conceptual model generalizing dual porosity flow in fractured rocks
      • Multiporosity model is generalization of existing well-known models
      • Semianalytical radially symmetric solutions presented for new conceptual model
    5. On the upscaling of mass transfer rate expressions for interpretation of source zone partitioning tracer tests

      Ali Boroumand and Linda M. Abriola

      Article first published online: 5 FEB 2015 | DOI: 10.1002/2014WR015767

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      Key Points:

      • A linear driving force model suggested for analysis of partitioning tracer tests
      • A correlation presented for estimation of the upscaled mass transfer coefficient
      • Heterogeneity in DNAPL distribution controls the overall rate of partitioning
  8. Technical Reports: Methods

    1. Water and entrapped air redistribution in heterogeneous sand sample: Quantitative neutron imaging of the process

      Michal Snehota, Vladimira Jelinkova, Martina Sobotkova, Jan Sacha, Peter Vontobel and Jan Hovind

      Article first published online: 2 FEB 2015 | DOI: 10.1002/2014WR015432

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      Key Points:

      • Water flow in near-saturated sand is investigated by neutron imaging
      • Entrapped air is redistributed from fine material to coarse material
      • Entrapped air bubbles in preferential pathways reduce hydraulic conductivity
  9. Research Articles

    1. Predicting DNAPL mass discharge and contaminated site longevity probabilities: Conceptual model and high-resolution stochastic simulation

      J. Koch and W. Nowak

      Article first published online: 2 FEB 2015 | DOI: 10.1002/2014WR015478

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      Key Points:

      • Conceptual model framework for mass discharge and depletion time predictions
      • Physics and uncertainty need to be considered jointly
      • Stochastic simulation of physical-based source zone architectures
    2. Upstream water resource management to address downstream pollution concerns: A policy framework with application to the Nakdong River basin in South Korea

      Taeyeon Yoon, Charles Rhodes and Farhed A. Shah

      Article first published online: 2 FEB 2015 | DOI: 10.1002/2013WR014201

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      Key Points:

      • A novel hydrologic-economic approach is proposed to assess water quality management options
      • A rating-curve tool with long-panel econometric analysis fully exploits water-station data
      • Our hydrologic-economic model is tested on a real-world case study

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