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Water Resources Research

Cover image for Vol. 48 Issue 8

August 2012

Volume 48, Issue 8

  1. Commentaries

    1. Top of page
    2. Commentaries
    3. Correction
    4. Opinion
    5. Regular Article
    6. Technical Note
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  2. Correction

    1. Top of page
    2. Commentaries
    3. Correction
    4. Opinion
    5. Regular Article
    6. Technical Note
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      Correction to “Hydrologic and geomorphic controls on hyporheic exchange during baseflow recession in a headwater mountain stream”

      Adam S. Ward, Michael Fitzgerald, Michael N. Gooseff, Thomas J. Voltz, Andrew M. Binley and Kamini Singha

      Article first published online: 17 AUG 2012 | DOI: 10.1029/2012WR012663

      This article corrects:
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      Correction to “Spatial distribution of nitrate sources of rivers in the Lake Biwa watershed, Japan: Controlling factors revealed by nitrogen and oxygen isotope values”

      Nobuhito Ohte, Ichiro Tayasu, Ayato Kohzu, Chikage Yoshimizu, Ken'ichi Osaka, Akiko Makabe, Keisuke Koba, Naohiro Yoshida and Toshi Nagata

      Article first published online: 10 AUG 2012 | DOI: 10.1029/2012WR012549

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      Correction to “Role of turbulence fluctuations on uncertainties of acoustic Doppler current profiler discharge measurements”

      Leticia Tarrab, Carlos M. García, Mariano I. Cantero and Kevin Oberg

      Article first published online: 7 AUG 2012 | DOI: 10.1029/2012WR012529

  3. Opinion

    1. Top of page
    2. Commentaries
    3. Correction
    4. Opinion
    5. Regular Article
    6. Technical Note
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      Towards a comprehensive assessment of model structural adequacy

      Hoshin V. Gupta, Martyn P. Clark, Jasper A. Vrugt, Gab Abramowitz and Ming Ye

      Article first published online: 25 AUG 2012 | DOI: 10.1029/2011WR011044

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      Key Points

      • Model building comprises five important formal steps
      • These remain poorly understood, and methods for dealing with them remain ad-hoc
      • Progress requires a common perspective on epistemic problems of model adequacy
  4. Regular Article

    1. Top of page
    2. Commentaries
    3. Correction
    4. Opinion
    5. Regular Article
    6. Technical Note
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      Dual-permeability model for flow in shrinking soil with dominant horizontal deformation

      Antonio Coppola, Horst H. Gerke, Alessandro Comegna, Angelo Basile and Vincenzo Comegna

      Article first published online: 31 AUG 2012 | DOI: 10.1029/2011WR011376

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      Key Points

      • A dual-permeability model is proposed for modeling flow through swelling soils
      • Swell-shrink dynamics was incorporated in the model
      • The fractional contribution of the two domains changes with the pressure head
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      A new multiscale routing framework and its evaluation for land surface modeling applications

      Zhiqun Wen, Xu Liang and Shengtian Yang

      Article first published online: 31 AUG 2012 | DOI: 10.1029/2011WR011337

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      Key Points

      • A new multiscale routing framework for land surface models is presented
      • Significantly reduce impacts of spatial resolutions on routed flows
      • Significantly reduce impacts of temporal resolutions on routed flows
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      Forest cover, socioeconomics, and reported flood frequency in developing countries

      Susana Ferreira and Ramesh Ghimire

      Article first published online: 31 AUG 2012 | DOI: 10.1029/2011WR011701

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      Key Points

      • Human impact on reported frequency of large floods not through deforestation
      • Socioeconomic factors help explain reported frequency of large floods
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      Coupling hydrodynamic models and value of information for designing stage monitoring networks

      Leonardo Alfonso and Roland Price

      Article first published online: 31 AUG 2012 | DOI: 10.1029/2012WR012040

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      Key Points

      • Concept of value of information is used to consider decisions under uncertainty
      • Outputs of hydrodynamic models are used to estimate priors and likelihoods
      • Final monitoring network configuration depends on decision maker
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      Capillary trapping in sandstones and carbonates: Dependence on pore structure

      Y. Tanino and Martin J. Blunt

      Article first published online: 30 AUG 2012 | DOI: 10.1029/2011WR011712

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      Key Points

      • Maximum residual saturation was measured in sandstones and limestones
      • High initial saturations were achieved using the porous plate method
      • Impact of microporosity, pore aspect ratio, and coordination number are studied
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      Climate-driven variability in lake and wetland distribution across the Prairie Pothole Region: From modern observations to long-term reconstructions with space-for-time substitution

      Ganming Liu and Franklin W. Schwartz

      Article first published online: 30 AUG 2012 | DOI: 10.1029/2011WR011539

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      Key Points

      • Space-for-time substitution approach works in hydrologic systems
      • Lakes and wetlands are unevenly distributed across the Prairie Pothole Region
      • Water-body numbers vary with climate following a Boltzmann function
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      Utility of bromide and heat tracers for aquifer characterization affected by highly transient flow conditions

      Rui Ma, Chunmiao Zheng, John M. Zachara and Matthew Tonkin

      Article first published online: 29 AUG 2012 | DOI: 10.1029/2011WR011281

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      Key Points

      • Heat is a cost-effective proxy for solute tracers in aquifer characterization
      • A heat tracer test can be complicated by density effect and other factors
      • Hydraulic conductivity is primary calibration parameter of heat transport model
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      Resolving hyporheic and groundwater components of streambed water flux using heat as a tracer

      Aditi S. Bhaskar, Judson W. Harvey and Eric J. Henry

      Article first published online: 29 AUG 2012 | DOI: 10.1029/2011WR011784

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      Key Points

      • Hyporheic fluxes co-exist with groundwater fluxes, which are larger in magnitude
      • Thermal analytical method can be sensitive to hyporheic and groundwater fluxes
      • Hyporheic fluxes can be detected as enhanced shallow thermal dispersion
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      Surface heat flux estimation with the ensemble Kalman smoother: Joint estimation of state and parameters

      S. M. Bateni and D. Entekhabi

      Article first published online: 28 AUG 2012 | DOI: 10.1029/2011WR011542

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      Key Points

      • A new methodology is developed to estimate surface heat fluxes
      • It works by assimilating the sequences of LST within an EnKS framework
      • It provides reliable estimates of turbulent heat fluxes
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      Bayesian parameter uncertainty modeling in a macroscale hydrologic model and its impact on Indian river basin hydrology under climate change

      D. Raje and R. Krishnan

      Article first published online: 28 AUG 2012 | DOI: 10.1029/2011WR011123

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      Key Points

      • Bayesian MCMC methods used to model parameter uncertainty of macroscale model
      • Projection of hydrologic impacts for Indian river basins under climate change
      • Largest effects of runoff predictive uncertainty in Himalayan foothills region
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      Application of high-resolution, remotely sensed data for transient storage modeling parameter estimation

      Q. G. Bingham, B. T. Neilson, C. M. U. Neale and M. B. Cardenas

      Article first published online: 25 AUG 2012 | DOI: 10.1029/2011WR011594

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      Key Points

      • High-resolution imagery can be used to estimate TZTS parameters
      • Estimating parameters from imagery decreases uncertainty in other parameters
      • Increasing spatial resolution of key parameters decreases uncertainty
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      Strategic placement of localization devices (such as pilot points and anchors) in inverse modeling schemes

      Yarong Yang, Matthew Over and Yoram Rubin

      Article first published online: 24 AUG 2012 | DOI: 10.1029/2012WR011864

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      Key Points

      • Describes a method for strategic placements of the localization devices
      • Develops a color-coded map to show optimal locations for localization devices
      • Extends the method for selecting measurement locations
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      The effects of CO2-brine rheology on leakage processes in geologic carbon sequestration

      Shibo Wang and Andres F. Clarens

      Article first published online: 24 AUG 2012 | DOI: 10.1029/2011WR011220

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      Key Points

      • Multiphase mixtures of CO2 and brine exhibit complex viscoelastic rheology
      • Shear, temperature, and ionic strength impact bubbly mixture flow properties
      • Results impact flow and leakage through porous media in geologic sequestration
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      Estimating the permeability distribution and its uncertainty at the EGS demonstration reservoir Soultz-sous-Forêts using the ensemble Kalman filter

      C. Vogt, G. Marquart, C. Kosack, A. Wolf and C. Clauser

      Article first published online: 23 AUG 2012 | DOI: 10.1029/2011WR011673

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      Key Points

      • We model the tracer experiment of 2005 at the Soultz EGS stochastically
      • Data from three boreholes GPK2, GPK3, and GPK4 are assimilated simultaneously
      • We estimate permeability, its heterogeneity and uncertainty
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      The scaling of temporal rainfall

      Daniele Veneziano and Chiara Lepore

      Article first published online: 22 AUG 2012 | DOI: 10.1029/2012WR012105

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      Key Points

      • We develop methods for the scaling analysis of rainfall within storms
      • We compare scaling results from continuous and within-storm analysis
      • Rain scales only inside storms, where it has beta-lognormal multifractality
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      Measurement depth of the cosmic ray soil moisture probe affected by hydrogen from various sources

      Trenton E. Franz, M. Zreda, T. P. A. Ferre, R. Rosolem, C. Zweck, S. Stillman, X. Zeng and W. J. Shuttleworth

      Article first published online: 21 AUG 2012 | DOI: 10.1029/2012WR011871

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      Key Points

      • Effective depth of cosmic-ray soil moisture probe
      • Intermediate-scale soil moisture measurements
      • Uncertainty of measurements and support volume
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      A comparative experimental and multiphysics computational fluid dynamics study of coupled surface–subsurface flow in bed forms

      Felix Janssen, M. Bayani Cardenas, Audrey H. Sawyer, Thea Dammrich, Jana Krietsch and Dirk de Beer

      Article first published online: 21 AUG 2012 | DOI: 10.1029/2012WR011982

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      Key Points

      • Validation of surface-subsurface flow model by direct comparison to experiments
      • Unique experimental data includes surface and subsurface flow and pressures
      • Simulations match experiments with slight differences in eddy representation
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      Comparison of the predictions of universal scaling of the saturation dependence of the air permeability with experiment

      Behzad Ghanbarian-Alavijeh and Allen G. Hunt

      Article first published online: 18 AUG 2012 | DOI: 10.1029/2011WR011758

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      Key Points

      • We proposed a simple, logical and novel model of air permeability
      • We evaluated our model capibilities using experiments
      • We compared our model with 3 other models
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      Projected changes in water availability in the United Kingdom

      Michael G. Sanderson, Andrew J. Wiltshire and Richard A. Betts

      Article first published online: 17 AUG 2012 | DOI: 10.1029/2012WR011881

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      Key Points

      • Runoff from an RCM ensemble used to assess changing water resources in the UK
      • Evaluation of climate change effects on water resources in UK river basins
      • Calculation of time when climate change signal could be detected
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      On the exact analytical solution for the spatial moments of the cross-sectional average concentration in open channel flows

      Marilena Pannone

      Article first published online: 16 AUG 2012 | DOI: 10.1029/2011WR011665

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      Key Points

      • Provide exact analytical solutions
      • Investigate the origin of some experimentally detected behaviors
      • Provide an alternative point of view for a classic research issue
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      Hydrologic data assimilation with a hillslope-scale-resolving model and L band radar observations: Synthetic experiments with the ensemble Kalman filter

      Alejandro N. Flores, Rafael L. Bras and Dara Entekhabi

      Article first published online: 15 AUG 2012 | DOI: 10.1029/2011WR011500

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      Key Points

      • A hillslope-scale soil moisture data assimilation framework is developed
      • Simulated 3 km L band radar backscatter observations are assimilated directly
      • Downscaling observations to hillslope scales is achieved via data assimilation
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      Calibration of a distributed flood forecasting model with input uncertainty using a Bayesian framework

      Mingliang Li, Dawen Yang, Jinsong Chen and Susan S. Hubbard

      Article first published online: 15 AUG 2012 | DOI: 10.1029/2010WR010062

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      Key Points

      • Hierarchical Bayesian model for calibration of a distributed hydrological model
      • Input uncertainty influence on calibrated parameters and predictive distribution
      • Mixed sampling strategy by applying three MCMC methods for different parameters
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      Modeling of temperature and turbidity in a natural lake and a reservoir connected by pumped-storage operations

      Matteo Bonalumi, Flavio S. Anselmetti, Alfred Wüest and Martin Schmid

      Article first published online: 14 AUG 2012 | DOI: 10.1029/2012WR011844

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      Key Points

      • Detailed 2-D models show significant ecologic impacts of a pumped-storage system
      • A clear natural lake is strongly affected by connecting a turbid reservoir
      • Weather, hydrology, and exchange flows strongly modify pumped-storage impacts
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      Influence of porous media heterogeneity on nonaqueous phase liquid dissolution fingering and upscaled mass transfer

      M. W. Farthing, M. A. Seyedabbasi, P. T. Imhoff and C. T. Miller

      Article first published online: 11 AUG 2012 | DOI: 10.1029/2011WR011389

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      Key Points

      • Dissolution fingering or channeling can lead to preferential NAPL dissolution
      • When the correlation length of permeability is small, channeling occurs
      • Different upscaling approaches are used to model channeling versus fingering
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      Specific discharge variability in a boreal landscape

      Steve W. Lyon, Marcus Nathanson, André Spans, Thomas Grabs, Hjalmar Laudon, Johan Temnerud, Kevin H. Bishop and Jan Seibert

      Article first published online: 9 AUG 2012 | DOI: 10.1029/2011WR011073

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      Key Points

      • Large variability in specific discharge exists in this boreal system
      • Variability is not due to errors in flow observations or catchment delineations
      • Ignoring hydrologic variability produces erroneous DOC flux estimates
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      High-resolution water content estimation from surface-based ground-penetrating radar reflection data by impedance inversion

      C. Schmelzbach, J. Tronicke and P. Dietrich

      Article first published online: 7 AUG 2012 | DOI: 10.1029/2012WR011955

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      Key Points

      • Novel GPR reflection amplitude inversion scheme
      • High-resolution subsurface physical parameter models
      • Applicability demonstrated on synthetic and field data
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      Thresholds of flow-induced bed disturbances and their effects on stream metabolism in an agricultural river

      Ben L. O'Connor, Judson W. Harvey and Lauren E. McPhillips

      Article first published online: 4 AUG 2012 | DOI: 10.1029/2011WR011488

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      Key Points

      • Stream metabolism is affected by floods with partial or full bed mobilization
      • Variability in sediment texture correlated with patch-scale metabolism rates
      • Modeling of storm event showed mobilizing fine sediments disrupted metabolism
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      Water for cities: The impact of climate change and demographic growth in the tropical Andes

      W. Buytaert and B. De Bièvre

      Article first published online: 3 AUG 2012 | DOI: 10.1029/2011WR011755

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      Key Points

      • Population growth is a larger stressor on water resources than climate change
      • Despite uncertainties in the impacts, clear trends can be detected
      • A geospatial analysis is required to solve gradients in water availability
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      A framework for using ant colony optimization to schedule environmental flow management alternatives for rivers, wetlands, and floodplains

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

      Article first published online: 2 AUG 2012 | DOI: 10.1029/2011WR011276

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      Key Points

      • Environmental flow schedules are key, but developing them is not trivial
      • To develop management schedules, an optimization framework has been formulated
      • The framework has been demonstrated using a quasi-hypothetical study
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      Extreme rainfall in West Africa: A regional modeling

      G. Panthou, T. Vischel, T. Lebel, J. Blanchet, G. Quantin and A. Ali

      Article first published online: 1 AUG 2012 | DOI: 10.1029/2012WR012052

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      Key Points

      • Extreme rainfall modeling and mapping in West Africa
  5. Technical Note

    1. Top of page
    2. Commentaries
    3. Correction
    4. Opinion
    5. Regular Article
    6. Technical Note
    1. You have free access to this content
      A resonating rainfall and evaporation recorder

      Ryan D. Stewart, Rolf Hut, David E. Rupp, Hoshin Gupta and John S. Selker

      Article first published online: 14 AUG 2012 | DOI: 10.1029/2011WR011529

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      Key Points

      • New method to measure precipitation and evaporation
      • Prototype demonstrates the merit of the concept
      • Gauge uses the resonant frequency to determine water mass

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