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Water Resources Research

Cover image for Vol. 47 Issue 4

April 2011

Volume 47, Issue 4

  1. Regular Article

    1. Top of page
    2. Regular Article
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      Hydrologic controls on equilibrium soil depths

      L. Nicótina, D. G. Tarboton, T. K. Tesfa and A. Rinaldo

      Article first published online: 30 APR 2011 | DOI: 10.1029/2010WR009538

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      Analysis of models for induced gas flow in the unsaturated zone

      Kehua You, Hongbin Zhan and Jian Li

      Article first published online: 27 APR 2011 | DOI: 10.1029/2010WR009985

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      Key Points

      • Develop new model and solutions
      • Check the accuracy of Hantush's approximation
      • Check the accuracy of the finite difference approximation
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      Extreme rainfall and flooding from orographic thunderstorms in the central Appalachians

      James A. Smith, Mary Lynn Baeck, Alexandros A. Ntelekos, Gabriele Villarini and Matthias Steiner

      Article first published online: 26 APR 2011 | DOI: 10.1029/2010WR010190

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      Key Points

      • Analyses of extreme rainfall events
      • Impact of orographic thunderstoms
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      Impact of climate change on the hydroclimatology of Lake Tana Basin, Ethiopia

      Shimelis G. Setegn, David Rayner, Assefa M. Melesse, Bijan Dargahi and Raghavan Srinivasan

      Article first published online: 19 APR 2011 | DOI: 10.1029/2010WR009248

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      Key Points

      • Climate variability
      • Climate change impact on hydrological processes
      • Uncertainty in climate change impact predictions
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      Multiresponse multilayer vadose zone model calibration using Markov chain Monte Carlo simulation and field water retention data

      Thomas Wöhling and Jasper A. Vrugt

      Article first published online: 19 APR 2011 | DOI: 10.1029/2010WR009265

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      Key Points

      • We solved a highly nonlinear soil physical inverse problem
      • Multiple data types are required for accurate parameter estimation
      • The likelihood function of the inverse problem must be carefully chosen
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      Inverse estimation of parameters for multidomain flow models in soil columns with different macropore densities

      Bhavna Arora, Binayak P. Mohanty and Jennifer T. McGuire

      Article first published online: 19 APR 2011 | DOI: 10.1029/2010WR009451

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      Key Points

      • Evaluates the effect of macropore density on soil hydraulic parameters
      • Use of local data and a more complex model for higher macropore density
      • Suggests improved description of matrix-macropore exchange required
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      Channel dynamics and habitat development in a meandering, gravel bed river

      L. R. Harrison, C. J. Legleiter, M. A. Wydzga and T. Dunne

      Article first published online: 19 APR 2011 | DOI: 10.1029/2009WR008926

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      Key Points

      • Sediment supply and bar storage directly influenced channel migration rates
      • Sediment supply led to point bar development and enhanced flow complexity
      • Sediment-driven morphological changes alone may not create favorable habitat
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      Accounting for interannual variability: A comparison of options for water resources climate change impact assessments

      Fiona Johnson and Ashish Sharma

      Article first published online: 16 APR 2011 | DOI: 10.1029/2010WR009272

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      Key Points

      • Scaling approaches do not allow for changes in variability in the future
      • Bias correction methods can be defined to allow changes in a range of statistics
      • Using a range of methods can address limitations in the different approaches
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      Electrical conductivity as an indicator of iron reduction rates in abiotic and biotic systems

      Aaron Regberg, Kamini Singha, Ming Tien, Flynn Picardal, Quanxing Zheng, Jurgen Schieber, Eric Roden and Susan L. Brantley

      Article first published online: 16 APR 2011 | DOI: 10.1029/2010WR009551

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      2-D radial analytical solutions for solute transport in a dual-porosity medium

      Abdullah Cihan and John S. Tyner

      Article first published online: 15 APR 2011 | DOI: 10.1029/2009WR008969

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      Key Points

      • New analytical solutions for solute transport in dual-porosity media
      • The analytical solutions presented for finite and continuous contaminant source
      • Advection in the macropore and diffusion in the matrix are the most dominant
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      Air and water flows in a vertical sand column

      Xingxing Kuang, Jiu Jimmy Jiao, Li Wan, Xusheng Wang and Deqiang Mao

      Article first published online: 14 APR 2011 | DOI: 10.1029/2009WR009030

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      Key Points

      • Full set of two-phase flow experimental data
      • An approximate solution for one-dimensional two-phase flow
      • Data set as a benchmark to test various two-phase flow models
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      Quantifying mountain block recharge by means of catchment-scale storage-discharge relationships

      Hoori Ajami, Peter A. Troch, Thomas Maddock III, Thomas Meixner and Chris Eastoe

      Article first published online: 12 APR 2011 | DOI: 10.1029/2010WR009598

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      Key Points

      • seasonal mountain block recharge estimation using stream flow recession analysis
      • Application of storage-discharge relations and isotope hydrology
      • development of analytical solution for catchment sensitivity function
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      Downscaling precipitation using regional climate models and circulation patterns toward hydrology

      András Bárdossy and Geoffrey Pegram

      Article first published online: 12 APR 2011 | DOI: 10.1029/2010WR009689

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      Key Points

      • Regional climate models yield good circulation-related precipitaion patterns
      • The bias can be corrected using a quantile-quantile transform
      • Hydrologically useful precipitation series can be obtained for future scenarios
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      Transient groundwater chemistry near a river: Effects on U(VI) transport in laboratory column experiments

      Jun Yin, Roy Haggerty, Deborah L. Stoliker, Douglas B. Kent, Jonathan D. Istok, Janek Greskowiak and John M. Zachara

      Article first published online: 5 APR 2011 | DOI: 10.1029/2010WR009369

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      Key Points

      • Develop a surface complexation model
      • Demonstrate the groundwater chemsitry impacts on U(VI) transport
      • Test and validate a multirate reactive transport model
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      A physically based description of floodplain inundation dynamics in a global river routing model

      Dai Yamazaki, Shinjiro Kanae, Hyungjun Kim and Taikan Oki

      Article first published online: 1 APR 2011 | DOI: 10.1029/2010WR009726

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      Key Points

      • Physically based representation of floodplain inundation dynamics
      • Improved predictability for daily-scale river discharge in world major rivers
      • Prediction of water surface elevation and flooded areas

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