Water Resources Research

Cover image for Vol. 50 Issue 12

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 - 31
  1. Research Articles

    1. A soil moisture accounting-procedure with a Richards' equation-based soil texture-dependent parameterization

      Simon A. Mathias, Todd H. Skaggs, Simon A. Quinn, Sorcha N. C. Egan, Lucy E. Finch and Corinne D. Oldham

      Article first published online: 23 JAN 2015 | DOI: 10.1002/2014WR016144

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      Key Points:

      • A practical method for estimating vertical percolation using soil texture data
      • Percolation rates are consistent with those predicted by Richards' equation
      • Vertical percolation rates are studied for a broad set of texture classes
    2. Predicting hydrofacies and hydraulic conductivity from direct-push data using a data-driven relevance vector machine approach: Motivations, algorithms, and application

      Daniel Paradis, René Lefebvre, Erwan Gloaguen and Alfonso Rivera

      Article first published online: 22 JAN 2015 | DOI: 10.1002/2014WR015452

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      Key Points:

      • CPT/SMR data used to estimate high-resolution 1-D K profiles
      • Hydro-geophysical data integration using relevance vector machines
      • K predictions from the learning machine agree with hydraulic tests
    3. Integrating multiple scales of hydraulic conductivity measurements in training image-based stochastic models

      K. Mahmud, G. Mariethoz, A. Baker and A. Sharma

      Article first published online: 21 JAN 2015 | DOI: 10.1002/2014WR016150

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      Key Points:

      • Integrating multiple scales of K outside the multi-Gaussian framework
      • The use of upscaling to create a multivariate training image
      • The application of multivariate Image Quilting
    4. Irrigation with desalinated water: A step toward increasing water saving and crop yields

      Avner Silber, Yair Israeli, Idan Elingold, Menashe Levi, Irit Levkovitch, David Russo and Shmuel Assouline

      Article first published online: 21 JAN 2015 | DOI: 10.1002/2014WR016398

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      Key Points:

      • Conventional irrigation management adds a massive load of salt
      • Desalination save significant amounts of water while increasing yield
      • Desalination improves crop quality and reduces salt load in the groundwater
    5. Spatiotemporal interpolation of discharge across a river network by using synthetic SWOT satellite data

      Rodrigo C. D. Paiva, Michael T. Durand and Faisal Hossain

      Article first published online: 21 JAN 2015 | DOI: 10.1002/2014WR015618

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      Key Points:

      • Model for discharge spatiotemporal interpolation based on SWOT estimates
      • A physically based correlation function for river discharge was derived
      • Model feasibility is demonstrated in a case study using virtual SWOT data
    6. Robust stochastic optimization for reservoir operation

      Limeng Pan, Mashor Housh, Pan Liu, Ximing Cai and Xin Chen

      Article first published online: 21 JAN 2015 | DOI: 10.1002/2014WR015380

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      Key Points:

      • The first distributionally robust approach for this dynamic setting problem
      • Our tractable method performs well for both single and multireservoir systems
      • The proposed method is immunized against inaccurate distribution assumption
    7. Application of nonequilibrium fracture matrix model in simulating reactive contaminant transport through fractured porous media

      Nitin Joshi, C. S. P. Ojha, P. K. Sharma and Chandra A. Madramootoo

      Article first published online: 20 JAN 2015 | DOI: 10.1002/2014WR016500

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      Key Points:

      • Nonequilibrium nonlinear sorption models could simulate the BTC tailings
      • SNE with sorption nonlinearity leads to an improved simulation
      • Sorption nonlinearity increases mean arrival time and reduces solute spreading
    8. Electrical permittivity and resistivity time lapses of multiphase DNAPLs in a lab test

      Luciana Orlando and Beatrice Renzi

      Article first published online: 20 JAN 2015 | DOI: 10.1002/2014WR015291

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      Key Points:

      • Mapping and monitoring of separate and dissolved phases of DNAPL
      • Joint interpretation of noninvasive surveys of ERT and GPR
      • Controlled lab tests in saturated sand
    9. A general reactive transport modeling framework for simulating and interpreting groundwater 14C age and δ13C

      S. U. Salmon, H. Prommer, J. Park, K. T. Meredith, J. V. Turner and J. L. McCallum

      Article first published online: 20 JAN 2015 | DOI: 10.1002/2014WR015779

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      Key Points:

      • New approach allows direct comparison of simulated and measured uncorrected 14C
      • Impacts of physical and biogeochemical processes are quantified
      • Organic C impacts on 14C and age estimates may be more prevalent than thought
    10. Grower demand for sensor-controlled irrigation

      Erik Lichtenberg, John Majsztrik and Monica Saavoss

      Article first published online: 20 JAN 2015 | DOI: 10.1002/2014WR015807

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      Key Points:

      • Information from sensor networks can be used to control water application with great precision
      • Initial adoption of sensor networks is likely to be high, relative to other irrigation technologies
      • Diffusion of sensor networks is likely to be more rapid than other irrigation technologies
    11. Ecohydrology in semiarid urban ecosystems: Modeling the relationship between connected impervious area and ecosystem productivity

      Catherine Shields and Christina Tague

      Article first published online: 20 JAN 2015 | DOI: 10.1002/2014WR016108

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      Key Points:

      • An efficient method for estimating ecohydrologic impacts of impervious area connectivity
      • Runoff from disconnected impervious area can increase productivity in urban vegetation
  2. Review Articles

    1. CO2 wettability of seal and reservoir rocks and the implications for carbon geo-sequestration

      Stefan Iglauer, C. H. Pentland and A. Busch

      Article first published online: 20 JAN 2015 | DOI: 10.1002/2014WR015553

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      Key Points:

      • CO2 wettability of seal and storage rock: summary of state-of-the-art
      • CO2 wettability of rocks
      • Impact on residual and structural trapping capacity
  3. Research Articles

    1. Comparison of fluvial suspended-sediment concentrations and particle-size distributions measured with in-stream laser diffraction and in physical samples

      Jonathan A. Czuba, Timothy D. Straub, Christopher A. Curran, Mark N. Landers and Marian M. Domanski

      Article first published online: 20 JAN 2015 | DOI: 10.1002/2014WR015697

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      Key Points:

      • Compared SSC and PSD from LISST-SL and physical samples at 16 sites in IL and WA
      • Effective density of 1.24 g/mL provided best-fit value converting SSCV to SSCM
      • LISST-SL provides high temporal resolution of suspended sediment in rivers
    2. Maximum likelihood parameter estimation for fitting bedload rating curves

      David Gaeuman, Craig R. Holt and Kristin Bunte

      Article first published online: 14 JAN 2015 | DOI: 10.1002/2014WR015872

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      Key Points:

      • Usual methods for fitting rating curves do not yield meaningful parameter values
      • Max likelihood gives meaningful parameter values and works with zero-valued data
      • Parameters from least squares are sensitive to assumptions about the variance
    3. Hydraulic response in flooded stream networks

      Anna Åkesson, Anders Wörman and Andrea Bottacin-Busolin

      Article first published online: 12 JAN 2015 | DOI: 10.1002/2014WR016279

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      Key Points:

      • Different parameterization methods for a streamflow routine were performed
      • Physically based effects of stage-dependency improved the peak flow predictions
      • Stage dependency of geomorphological and hydraulical dispersion mechanisms
    4. The effect of streambed heterogeneity on groundwater-surface water exchange fluxes inferred from temperature time series

      Dylan J. Irvine, Roger H. Cranswick, Craig T. Simmons, Margaret A. Shanafield and Laura K. Lautz

      Article first published online: 12 JAN 2015 | DOI: 10.1002/2014WR015769

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      Key points:

      • Effect of streambed heterogeneity on temperature derived fluid fluxes assessed
      • Synthetic temperatures produced using a numerical model where flux was known
      • Greatest flux errors occurred for phase shift where amplitude ratio > 1
    5. Transverse mixing in three-dimensional nonstationary anisotropic heterogeneous porous media

      Olaf A. Cirpka, Gabriele Chiogna, Massimo Rolle and Alberto Bellin

      Article first published online: 12 JAN 2015 | DOI: 10.1002/2014WR015331

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      Key Points:

      • Natural sediments exhibit nonstationary anisotropic structures
      • Nonstationary anisotropy causes secondary groundwater motion
      • Secondary motion enhances transverse mixing and dilution
    6. Helical flow in three-dimensional nonstationary anisotropic heterogeneous porous media

      Gabriele Chiogna, Olaf A. Cirpka, Massimo Rolle and Alberto Bellin

      Article first published online: 12 JAN 2015 | DOI: 10.1002/2014WR015330

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      Key Points:

      • Macroscopic helical flow occurs in 3-D nonstationary isotropic media
      • Helicity density is scale dependent and is used to describe flow topology
      • Stretching and folding metrics are used to describe plume deformation
    7. A conceptual model of people's vulnerability to floods

      Luca Milanesi, Marco Pilotti and Roberto Ranzi

      Article first published online: 12 JAN 2015 | DOI: 10.1002/2014WR016172

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      Key Points:

      • An improved physically based model of human stability in a flow is proposed
      • Reduction of stability due to sloping terrain and fluid density is accounted
      • The model best matches the available literature experimental data sets
    8. Tree-grass competition for soil water in arid and semiarid savannas: The role of rainfall intermittency

      Donatella D'Onofrio, Mara Baudena, Fabio D'Andrea, Max Rietkerk and Antonello Provenzale

      Article first published online: 8 JAN 2015 | DOI: 10.1002/2014WR015515

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      Key Points:

      • Arid and semiarid savannas are characterized by intermittent rainfall
      • Grass coexists with trees and has strong competitive effect on tree seedlings
      • The level of rainfall intermittency affects savanna occurrence and structure
    9. Gas bubble transport and emissions for shallow peat from a northern peatland: The role of pressure changes and peat structure

      Xi Chen and Lee Slater

      Article first published online: 8 JAN 2015 | DOI: 10.1002/2014WR016268

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      Key Points:

      • Ebullition events triggered by pressure changes in peatland
      • Soil structure regulating methane releases from peatland
    10. Valuing recreational fishing quality at rivers and streams

      Richard T. Melstrom, Frank Lupi, Peter C. Esselman and R. Jan Stevenson

      Article first published online: 8 JAN 2015 | DOI: 10.1002/2014WR016152

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      Key points:

      • Demand was modeled for recreational fishing to rivers and streams
      • Fishing site qualities were measured by biomass of five game fish species
      • Fishing sites were defined by hydrological boundaries and stream type
    11. Water demand management in times of drought: What matters for water conservation

      Elena Maggioni

      Article first published online: 8 JAN 2015 | DOI: 10.1002/2014WR016301

      Key Points:

      • Water conservation is analyzed from the perspective of water retailers
      • The study compares price and nonprice conservation measures with panel data
      • Mandates are effective, rates or rebates are not, large agencies perform well
  4. Technical Notes

    1. A method for characterizing desiccation-induced consolidation and permeability loss of organic soils

      Chelsea L. Arnold and Teamrat A. Ghezzehei

      Article first published online: 8 JAN 2015 | DOI: 10.1002/2014WR015745

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      Key Points:

      • Soils can deform by capillary stresses that exceed internal soil strength
      • Drying past historical maximum results in irreversible consolidation
      • The resulting permeability loss significantly alters hydrologic cycle
  5. Research Articles

    1. On consumers' attitudes and willingness to pay for improved drinking water quality and infrastructure

      Eftila Tanellari, Darrell Bosch, Kevin Boyle and Elton Mykerezi

      Article first published online: 8 JAN 2015 | DOI: 10.1002/2013WR014934

      Key Points:

      • Consumers are most likely to support improvements in public water infrastructure
      • Informational campaigns can increase acceptance of water quality improvement programs
      • Consumer experiences positively affect their willingness to pay
    2. Incorporation of groundwater pumping in a global Land Surface Model with the representation of human impacts

      Yadu N. Pokhrel, Sujan Koirala, Pat J.-F. Yeh, Naota Hanasaki, Laurent Longuevergne, Shinjiro Kanae and Taikan Oki

      Article first published online: 8 JAN 2015 | DOI: 10.1002/2014WR015602

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      Key Points:

      • Global Land Surface Model with human impacts, groundwater dynamics, and pumping
      • Explicitly simulated groundwater withdrawal and depletion
      • Groundwater depletion in the Central Valley and the High Plains
    3. Economic costs incurred by households in the 2011 Greater Bangkok flood

      Orapan Nabangchang, Maura Allaire, Prinyarat Leangcharoen, Rawadee Jarungrattanapong and Dale Whittington

      Article first published online: 8 JAN 2015 | DOI: 10.1002/2014WR015982

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      Key Points:

      • Household flood losses are estimated using in-person interviews in Bangkok
      • In three heavily affects districts of median household, economic costs were US$3089
      • Most houses suffered only minor structural damage
    4. Characterization of water content dynamics and tracer breakthrough by 3-D electrical resistivity tomography (ERT) under transient unsaturated conditions

      Markus Wehrer and Lee D. Slater

      Article first published online: 8 JAN 2015 | DOI: 10.1002/2014WR016131

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      Key Points:

      • Preferential flow is observed by ERT and a multicompartment suction plate
      • ERT provides quantitative information under unsaturated transient conditions
      • Specific shape measures are the basis for a quantitative understanding of ERT
  6. Opinion Articles

    1. Are we unnecessarily constraining the agility of complex process-based models?

      Pablo A. Mendoza, Martyn P. Clark, Michael Barlage, Balaji Rajagopalan, Luis Samaniego, Gab Abramowitz and Hoshin Gupta

      Article first published online: 7 JAN 2015 | DOI: 10.1002/2014WR015820

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      Key Points:

      • Complex process-based models have strong a priori constraints
      • We provide an example demonstrating strong sensitivity of fixed parameters
      • Relaxing strong a priori constraints can help improve hydrology simulations
  7. Research Articles

    1. Quantifying stream thermal regimes at multiple scales: Combining thermal infrared imagery and stationary stream temperature data in a novel modeling framework

      Shane J. Vatland, Robert E. Gresswell and Geoffrey C. Poole

      Article first published online: 7 JAN 2015 | DOI: 10.1002/2014WR015588

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      Key Points:

      • A statistical model using diverse data accurately quantified stream temperature
      • Evaluating stream temperature at fine scales revealed important heterogeneity
      • Temperature data continuous in space and time is critical to guiding monitoring
    2. Time-variable transit time distributions and transport: Theory and application to storage-dependent transport of chloride in a watershed

      Ciaran J. Harman

      Article first published online: 5 JAN 2015 | DOI: 10.1002/2014WR015707

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      Key Points:

      • Wetness-dependent catchment transport captured without coupled hydrologic model
      • Watershed transport dynamics are inverse to those of a “well-mixed store”
      • 1/f spectra of long-term chloride data set reproduced by inverse storage effect

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