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Water Resources Research

Cover image for Vol. 48 Issue 3

March 2012

Volume 48, Issue 3

  1. Commentaries

    1. Top of page
    2. Commentaries
    3. Correction
    4. Rapid Communications
    5. Regular Article
    6. Technical Note
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    2. You have free access to this content
  2. Correction

    1. Top of page
    2. Commentaries
    3. Correction
    4. Rapid Communications
    5. Regular Article
    6. Technical Note
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      Correction to “Canopy radiation transmission for an energy balance snowmelt model”

      Vinod Mahat and David G. Tarboton

      Article first published online: 17 MAR 2012 | DOI: 10.1029/2012WR011964

      This article corrects:

      Canopy radiation transmission for an energy balance snowmelt model

      Vol. 48, Issue 1, Article first published online: 24 JAN 2012

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      Correction to “Catchment hydrological responses to forest harvest amount and spatial pattern”

      Alex Abdelnour, Marc Stieglitz, Feifei Pan and Robert McKane

      Article first published online: 17 MAR 2012 | DOI: 10.1029/2012WR011990

      This article corrects:

      Catchment hydrological responses to forest harvest amount and spatial pattern

      Vol. 47, Issue 9, Article first published online: 27 SEP 2011

  3. Rapid Communications

    1. Top of page
    2. Commentaries
    3. Correction
    4. Rapid Communications
    5. Regular Article
    6. Technical Note
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      On generating conductivity fields with known fractal dimension and nonstationary increments

      Daniel O'Malley, John H. Cushman and Patrick O'Rear

      Article first published online: 10 MAR 2012 | DOI: 10.1029/2011WR011681

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      Key Points

      • Generating non-stationary increment fractal fields with trends
      • Novel numerical method
      • The tool is multidisciplanary
  4. Regular Article

    1. Top of page
    2. Commentaries
    3. Correction
    4. Rapid Communications
    5. Regular Article
    6. Technical Note
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      Derivation of site-specific relationships between hydraulic parameters and p-wave velocities based on hydraulic and seismic tomography

      R. Brauchler, J. Doetsch, P. Dietrich and M. Sauter

      Article first published online: 31 MAR 2012 | DOI: 10.1029/2011WR010868

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      Key Points

      • Combination of hydraulic and seismic tomography
      • Site specific relationships between hydraulic and geophysical parameters
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      An investigation of the effect of pore scale flow on average geochemical reaction rates using direct numerical simulation

      Sergi Molins, David Trebotich, Carl I. Steefel and Chaopeng Shen

      Article first published online: 30 MAR 2012 | DOI: 10.1029/2011WR011404

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      Key Points

      • Average reaction rates depend on the pore structure and resulting pore-scale flow
      • Reactive surface area from pore scale geometry accounts for dependence of rates
      • Direct numerical simulation of the pore scale gives insights into averaged rates
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      Hydrologic conditions controlling runoff generation immediately after wildfire

      Brian A. Ebel, John A. Moody and Deborah A. Martin

      Article first published online: 30 MAR 2012 | DOI: 10.1029/2011WR011470

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      Key Points

      • Ash has a strong control on hydrologic states and runoff generation
      • Infiltration-excess and saturation-excess runoff at the same burned site
      • Runoff generation models need to include ash hydrologic processes
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      Experimental investigation of the thermal time-series method for surface water-groundwater interactions

      Gabriel C. Rau, Martin S. Andersen and R. Ian Acworth

      Article first published online: 30 MAR 2012 | DOI: 10.1029/2011WR011560

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      Key Points

      • Laboratory testing of heat transport in saturated sand
      • Comparison between heat and solute derived velocity results
      • Non-uniform flow in sand introducing horizontal temperature gradients
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      Automatic geomorphic feature extraction from lidar in flat and engineered landscapes

      Paola Passalacqua, Patrick Belmont and Efi Foufoula-Georgiou

      Article first published online: 29 MAR 2012 | DOI: 10.1029/2011WR010958

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      Key Points

      • Automatic channel network extraction in flat and engineered landscape
      • Automated channel morphometric analysis
      • Distinction between natural channels and roads through curvature analysis
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      An assessment of the nonmarket benefits of the Water Framework Directive for households in England and Wales

      Paul J. Metcalfe, William Baker, Kevin Andrews, Giles Atkinson, Ian J. Bateman, Sarah Butler, Richard T. Carson, Jo East, Yves Gueron, Rob Sheldon and Kenneth Train

      Article first published online: 28 MAR 2012 | DOI: 10.1029/2010WR009592

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      Key Points

      • The benefits of WFD improvements depend on the geographical and ecological scope
      • Benefits also depend on the surrounding population density
      • Regionally averaged values in E and W varied from 2,263 to 39,168 pounds per km2
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      A class of analytical solutions for multidimensional multispecies diffusive transport coupled with precipitation-dissolution reactions and porosity changes

      Mohamed Hayek, Georg Kosakowski, Andreas Jakob and Sergey V. Churakov

      Article first published online: 27 MAR 2012 | DOI: 10.1029/2011WR011663

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      Key Points

      • Analytical solutions for one-, two- and three dimensional diffusive transport
      • The change in porosity due to precipitation-dissolution is taken into account
      • The analytical solutions are explicit in space and time
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      Transient water age distributions in environmental flow systems: The time-marching Laplace transform solution technique

      F. J. Cornaton

      Article first published online: 27 MAR 2012 | DOI: 10.1029/2011WR010606

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      Key Points

      • Novel integration scheme
      • Combining time-marching and Laplace transform schemes
      • Powerful algorithm for solving the transient age distribution problem
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      Hydromechanical triggering of landslides: From progressive local failures to mass release

      Peter Lehmann and Dani Or

      Article first published online: 24 MAR 2012 | DOI: 10.1029/2011WR010947

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      Key Points

      • Small local mechanical perturbations may grow and culminate to landslides
      • Hillslope criticality increases with slope angle and root reinforcement
      • Hydro-mechanical model computes spatial and temporal patterns of soil strength
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      Soil water content variability at the hillslope scale: Impact of surface sealing

      Shai Sela, Tal Svoray and Shmuel Assouline

      Article first published online: 22 MAR 2012 | DOI: 10.1029/2011WR011297

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      Key Points

      • Accounting for surface sealing improves water content predictions
      • The seal layer significantly reduces temporal variability of soil water content
      • The net hydrological effect of the seal layer depends on local conditions
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      When are multiobjective calibration trade-offs in hydrologic models meaningful?

      J. B. Kollat, P. M. Reed and T. Wagener

      Article first published online: 21 MAR 2012 | DOI: 10.1029/2011WR011534

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      Key Points

      • Prior calibration studies suggest frequent multi-objective tradeoffs
      • Calibration tradeoffs tend to collapse when considering reasonable precision
      • Meaningful tradeoffs can effectively identify structural deficiencies in models
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      Simulation of the entire range of daily precipitation using a hybrid probability distribution

      Chao Li, Vijay P. Singh and Ashok K. Mishra

      Article first published online: 21 MAR 2012 | DOI: 10.1029/2011WR011446

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      Key Points

      • Examine if existing distributions are reliable to model daily rainfall amounts
      • Propose a hybrid distribution to model the full range of daily rainfall
      • Evaluate the hybrid distribution using 49 daily rainfall records across Texas
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      Modeling intragranular diffusion in low-connectivity granular media

      Robert P. Ewing, Chongxuan Liu and Qinhong Hu

      Article first published online: 20 MAR 2012 | DOI: 10.1029/2011WR011407

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      Key Points

      • The percolation-based parameterization works well
      • Our analyses improve on earlier looks at Borden sand data
      • Low pore connectivity can present as slow sorption
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      Toward reduction of model uncertainty: Integration of Bayesian model averaging and data assimilation

      Mark A. Parrish, Hamid Moradkhani and Caleb M. DeChant

      Article first published online: 20 MAR 2012 | DOI: 10.1029/2011WR011116

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      Key Points

      • Model averaging with dynamic weights significantly outperforms the static BMA
      • Integration of BMA and DA is shown to significantly reduce forecast uncertainty
      • Dynamically changing the number of models avg'd increase the performance
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      Nonparametric method for estimating the effects of climatic and catchment characteristics on mean annual evapotranspiration

      Quanxi Shao, Anthony Traylen and Lu Zhang

      Article first published online: 15 MAR 2012 | DOI: 10.1029/2010WR009610

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      Key Points

      • Reduce uncertainty in parameter estimation
      • Provide more insight into the interactions between explanatory factors
      • Produce more robust parameter estimation for prediction for ungauged basins
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      Dynamic modeling of predictive uncertainty by regression on absolute errors

      F. Pianosi and L. Raso

      Article first published online: 14 MAR 2012 | DOI: 10.1029/2011WR010603

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      Key Points

      • Predictive uncertainty can be assessed by projecting the pdf of model error
      • The error stand. dev. can be modeled by regression analysis on absolute error
      • Dynamic modeling of the error standard deviation is simple but very effective
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      A comparison of methods for a priori bias correction in soil moisture data assimilation

      Sujay V. Kumar, Rolf H. Reichle, Kenneth W. Harrison, Christa D. Peters-Lidard, Soni Yatheendradas and Joseph A. Santanello

      Article first published online: 13 MAR 2012 | DOI: 10.1029/2010WR010261

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      Key Points

      • Parameter estimation is effective for bias mitigation in land data assimilation
      • Bias mitigation is important for optimal performance of data assimilation
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      Temporal variability of hydroclimatic extremes in the Blue Nile basin

      Meron Teferi Taye and Patrick Willems

      Article first published online: 10 MAR 2012 | DOI: 10.1029/2011WR011466

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      Key Points

      • There is evidence of (multi-)decadal oscillation in hydro-climatic extremes
      • Variability in hydro-climatic extremes is partly explained by climate indices
      • The QPM method is suitable in extremes' temporal variability studies
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      Multiobjective optimization of urban water resources: Moving toward more practical solutions

      Mohammad Mortazavi, George Kuczera and Lijie Cui

      Article first published online: 10 MAR 2012 | DOI: 10.1029/2011WR010866

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      Key Points

      • Application of multi-objective optimization for drought management
      • The shortcoming of optimal solutions conditioned on short climate records
      • Assessment of influence of environmental limitations on drought management plan
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      Experimental investigation of the thermal dispersivity term and its significance in the heat transport equation for flow in sediments

      Gabriel C. Rau, Martin S. Andersen and R. Ian Acworth

      Article first published online: 10 MAR 2012 | DOI: 10.1029/2011WR011038

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      Key Points

      • Clarification how thermal dispersivity should be used
      • Detailed experimental comparison between heat and solute transport in sand
      • Comparison of heat and solute transport models
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      Large wood export regulated by the pattern and intensity of precipitation along a latitudinal gradient in the Japanese archipelago

      Jung Il Seo, Futoshi Nakamura, Takumi Akasaka, Hidetaka Ichiyanagi and Kun Woo Chun

      Article first published online: 9 MAR 2012 | DOI: 10.1029/2011WR010880

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      Key Points

      • We used the wood volume and daily precipitation data from dammed reservoirs
      • Daily precipitation data were transformed into effective precipitation
      • Latitudes of all reservoirs were analyzed to express precipitattion variability
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      Flow path depth is the main controller of mean base flow transit times in a mountainous catchment

      Yuko Asano and Taro Uchida

      Article first published online: 9 MAR 2012 | DOI: 10.1029/2011WR010906

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      Key Points

      • Flowpath depth, not topography, is the main control of transit time of streamflow
      • Topography is often but not always related to internal structure of flowpath
      • Field evidence matched basic theoretical concept of transit time of streamflow
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      Recharge and source-water insights from the Galapagos Islands using noble gases and stable isotopes

      Rohit B. Warrier, Maria Clara Castro and Chris M. Hall

      Article first published online: 8 MAR 2012 | DOI: 10.1029/2011WR010954

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      Key Points

      • NGTS in the Galapagos Islands record seasonality not mean annual air temperature
      • NGTs and stable isotopes constrain recharge locations and timing of recharge
      • High altitude samples display a noble gas signature never previously recorded
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      Calibration of a physically based, spatially distributed hydrological model in a glacierized basin: On the use of knowledge from glaciometeorological processes to constrain model parameters

      S. Ragettli and F. Pellicciotti

      Article first published online: 8 MAR 2012 | DOI: 10.1029/2011WR010559

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      Key Points

      • Constrain model parameters of a fully distributed hydrological model
      • Assess the applicability of TOPKAPI for simulations of snow and glacier melt
      • Demonstrate the value of detailed, short term glacio-meteorological experiments
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      Universal scaling of spontaneous imbibition for water-wet systems

      K. S. Schmid and S. Geiger

      Article first published online: 7 MAR 2012 | DOI: 10.1029/2011WR011566

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      Key Points

      • A master equation for scaling groups of spontaneous imbibition is derived
      • Dynamic acpillary pressure is not needed to describe imbibition
      • The general framework is the basis for a diverse class of models
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      A grid-based approach for simulating stream temperature

      John Yearsley

      Article first published online: 7 MAR 2012 | DOI: 10.1029/2011WR011515

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      Key Points

      • Large scale simulation of water temperature is possible with gridded data
      • Results from a test basin give results comparable to other studies
      • Water temperature simulations are robust with respect to key variables
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      A pattern-search-based inverse method

      Haiyan Zhou, J. Jaime Gómez-Hernández and Liangping Li

      Article first published online: 6 MAR 2012 | DOI: 10.1029/2011WR011195

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      Key Points

      • The model parameters are estimated by pattern-searching
      • The nonGaussianity and nonlinearity are conveyed by multipoint patterns
      • The method is able to identify the main structure in synthetic bimodal aquifers
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      A closed-form analytical solution for thermal single-well injection-withdrawal tests

      Yoojin Jung and Karsten Pruess

      Article first published online: 3 MAR 2012 | DOI: 10.1029/2011WR010979

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      Key Points

      • We develop an analytical solution for thermal SWIW test
      • Variation of fluid return temperatures is independent of the applied flow rate
      • The effect of fracture aperture variations on return temperatures is weak
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      Inverse modeling of dynamic nonequilibrium in water flow with an effective approach

      E. Diamantopoulos, S. C. Iden and W. Durner

      Article first published online: 2 MAR 2012 | DOI: 10.1029/2011WR010717

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      Key Points

      • New model for dynamic non-equilibrium in variably saturated water flow
      • Removal of systematic misfits to MSO data
      • Unique parameter estimates by inverse modeling using MCMC
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      Evaluating interannual water storage changes at watersheds in Illinois based on long-term soil moisture and groundwater level data

      Dingbao Wang

      Article first published online: 1 MAR 2012 | DOI: 10.1029/2011WR010759

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      Key Points

      • Estimated annual storage change ratios vary from -65% to 40%
      • Interannual soil water and groundwater storage changes are comparable
      • Effective precipitation can be used in Budyko framework
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      Diffusion of floating particles in flow through emergent vegetation: Further experimental investigation

      Andrea Defina and Paolo Peruzzo

      Article first published online: 1 MAR 2012 | DOI: 10.1029/2011WR011147

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      Key Points

      • Vegetation density does not control the interaction mechanisms
      • Retention time distribution follows a double exponential distribution
      • Capillarity and drag forces are the keys to understand the effect of velocity
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      Interpretation of hydrologic trends from a water balance perspective: The role of groundwater storage in the Budyko hypothesis

      Erkan Istanbulluoglu, Tiejun Wang, Olivia M. Wright and John D. Lenters

      Article first published online: 27 JAN 2012 | DOI: 10.1029/2010WR010100

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      Key Points

      • Budyko curve is used to examine groundwater gain-loss dynamics
      • Climate memory of the hydrologic system is controlled by groundwater
      • Hydrologic trends should be evaluated in a complete water budget context
  5. Technical Note

    1. Top of page
    2. Commentaries
    3. Correction
    4. Rapid Communications
    5. Regular Article
    6. Technical Note
    1. You have free access to this content
      Discretizing a discrete fracture model for simulation of radial transport

      John C. Kozuskanich, Kent S. Novakowski and Bruce C. Anderson

      Article first published online: 16 MAR 2012 | DOI: 10.1029/2010WR010364

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      Key Points

      • Numerical transport models are very sensitive to spatiotemporal discretization
      • High discretization around the injection/pumping borehole is important
      • High discretization requirements limit the complexity of numerical simulations
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      Continuous in situ measurements of stable isotopes in liquid water

      Barbara Herbstritt, Benjamin Gralher and Markus Weiler

      Article first published online: 9 MAR 2012 | DOI: 10.1029/2011WR011369

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      Key Points

      • No more trade-off between limited temporal resolution and extensive lab work
      • No more significant time lags between sampling and data acquisition
      • New method is field-deployable and utilizes readily available components only

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