Water Resources Research

Cover image for Vol. 50 Issue 7

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); 3/79 (Water Resources); 25/215 (Environmental Sciences)

Online ISSN: 1944-7973

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  1. 1 - 70
  1. Research Articles

    1. Water-saving impacts of Smart Meter technology: An empirical 5 year, whole-of-community study in Sydney, Australia

      Kirsten Davies, Corinna Doolan, Robin van den Honert and Rose Shi

      Article first published online: 18 SEP 2014 | DOI: 10.1002/2014WR015812

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      Key Points

      • Trial participants used 6.4% less water per month; control group consumed more
      • The reduction in water consumption was maintained over time
      • Long-term behavioral change motivated through Smart Metering
  2. Data and Analysis Notes

    1. The WFDEI meteorological forcing data set: WATCH Forcing Data methodology applied to ERA-Interim reanalysis data

      Graham P. Weedon, Gianpaolo Balsamo, Nicolas Bellouin, Sandra Gomes, Martin J. Best and Pedro Viterbo

      Article first published online: 17 SEP 2014 | DOI: 10.1002/2014WR015638

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      Key Points

      • Global three hourly meteorological forcing data at half-degree spatial resolution
      • Covers 1979–2012
      • Improvements compared to the WATCH forcing data
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  4. Comment

  5. Research Articles

    1. Blind source separation for groundwater pressure analysis based on nonnegative matrix factorization

      Boian S. Alexandrov and Velimir V. Vesselinov

      Article first published online: 17 SEP 2014 | DOI: 10.1002/2013WR015037

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      Key Points

      • Transient data by itself can reveal the physical sources causing the transients
      • Inverse methods can identify the sources of the transients
      • Blind source separation based on nonnegative matrix factorization is applied
    2. Mapping variability of soil water content and flux across 1–1000 m scales using the Actively Heated Fiber Optic method

      Chadi Sayde, Javier Benitez Buelga, Leonor Rodriguez-Sinobas, Laureine El Khoury, Marshall English, Nick van de Giesen and John S. Selker

      Article first published online: 16 SEP 2014 | DOI: 10.1002/2013WR014983

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      Key Points

      • AHFO method can capture a complex spatial pattern of soil water content and flux
      • Soil moisture is measured with high temporal (1 h) and spatial (1 m) resolution
      • The calibration of the AHFO method remains challenging
    3. Potential groundwater age tracer found: Halon-1301 (CF3Br), as previously identified as CFC-13 (CF3Cl)

      Monique Beyer, Rob van der Raaij, Uwe Morgenstern and Bethanna Jackson

      Article first published online: 16 SEP 2014 | DOI: 10.1002/2014WR015818

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      Key Points

      • Halon-1301 is easily determinable in 1 L water samples
      • Halon-1301 possesses important key properties for application as tracer
      • We advise further assessment of its applicability and reliability as an age tracer
    4. Large lakes as sources and sinks of anthropogenic heat: Capacities and limits

      Gabriel Fink, Martin Schmid and Alfred Wüest

      Article first published online: 15 SEP 2014 | DOI: 10.1002/2014WR015509

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      Key Points

      • Heat use is simulated at a large temperate lake with a k-epsilon model
      • Regional impact of heat use on water temperature is minimal
      • Climate-induced effects overtop heat use
    5. Hydrometric transit times along transects on a steep hillslope

      Sanghyun Kim

      Article first published online: 12 SEP 2014 | DOI: 10.1002/2013WR014746

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      Key Points

      • This paper proposes the hydrometric transit time
      • Both matrix flow and bypass flow are used to estimate soil water transit time
      • Spatial and seasonal PDFs of transit time are presented along a hillslope
    6. Assessing the impacts of reservoir operation to floodplain inundation by combining hydrological, reservoir management, and hydrodynamic models

      Cherry May Mateo, Naota Hanasaki, Daisuke Komori, Kenji Tanaka, Masashi Kiguchi, Adisorn Champathong, Thada Sukhapunnaphan, Dai Yamazaki and Taikan Oki

      Article first published online: 12 SEP 2014 | DOI: 10.1002/2013WR014845

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      Key Points

      • Modeling dam operation with hydrodynamics improved simulation of Thai flood
      • Impacts of dam operation to flood inundation were explicitly evaluated
      • Reservoir operation in 2011 reduced flood volumes but it can still be improved
    7. Optimizing the scale of markets for water quality trading

      Martin W. Doyle, Lauren A. Patterson, Yanyou Chen, Kurt E. Schnier and Andrew J. Yates

      Article first published online: 11 SEP 2014 | DOI: 10.1002/2014WR015395

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      Key Points

      • Allowing trading reduces the total costs of complying with the Clean Water Act
    8. A blue/green water-based accounting framework for assessment of water security

      Dulce B. B. Rodrigues, Hoshin V. Gupta and Eduardo M. Mendiondo

      Article first published online: 10 SEP 2014 | DOI: 10.1002/2013WR014274

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      Key Points

      • The framework identifies threats to human and aquatic ecosystem water security
      • Integration of hydrologic, ecosystem and human information on a monthly basis
      • Results reveal spatiotemporal patterns of water scarcity and vulnerability
    9. Toward efficiency in heterogeneous multispecies reactive transport modeling: A particle-tracking solution for first-order network reactions

      Christopher V. Henri and Daniel Fernàndez-Garcia

      Article first published online: 10 SEP 2014 | DOI: 10.1002/2013WR014956

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      Key Points

      • Network reactions are efficiently modeled and fully coupled with particle motion
      • Analytical solutions are given for the transport simulation of serial reactions
      • Tailing effect due to flow heterogeneity is mitigated in case of decaying solute
    10. An intercomparison of statistical downscaling methods used for water resource assessments in the United States

      Ethan Gutmann, Tom Pruitt, Martyn P. Clark, Levi Brekke, Jeffrey R. Arnold, David A. Raff and Roy M. Rasmussen

      Article first published online: 9 SEP 2014 | DOI: 10.1002/2014WR015559

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      Key Points

      • The fidelity of four common downscaling methods is assessed in current climate
      • Some methods have problems with wet days, wet/dry spells, and extreme events
      • Most methods have problems with spatial scaling and interannual variability
    11. A significant nexus: Geographically isolated wetlands influence landscape hydrology

      Daniel L. McLaughlin, David A. Kaplan and Matthew J. Cohen

      Article first published online: 9 SEP 2014 | DOI: 10.1002/2013WR015002

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      Key Points

      • GIWs act as hydrologic sinks and sources in response to climate
      • GIWs effects on regional water table and base flow were modeled
      • GIWs buffer surficial aquifer variation, impacting stream base flow
    12. Estimation of the distribution of annual runoff from climatic variables using copulas

      Lihua Xiong, Kun-xia Yu and Lars Gottschalk

      Article first published online: 8 SEP 2014 | DOI: 10.1002/2013WR015159

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      Key Points

      • The approach of deriving annual runoff distributions using copulas is proposed
      • The annual runoff distributions derived from the approach perform well
      • The approach can also be used in ungauged watersheds
    13. You have full text access to this OnlineOpen article
      Flood forecasting for River Mekong with data-based models

      Khurram M. Shahzad and Erich J. Plate

      Article first published online: 5 SEP 2014 | DOI: 10.1002/2013WR015072

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      Key Points

      • For River Mekong extreme rainfall variability is main cause of forecast uncertainties
      • IUH models adapted to local conditions and known rainfall yield best forecasts
      • Multiregression of forecasts from differently structured models minimizes errors
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  7. Comment

  8. Research Articles

    1. Trends in water balance components across the Brazilian Cerrado

      Paulo Tarso S. Oliveira, Mark A. Nearing, M. Susan Moran, David C. Goodrich, Edson Wendland and Hoshin V. Gupta

      Article first published online: 4 SEP 2014 | DOI: 10.1002/2013WR015202

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      Key Points

      • Water budget for the Brazilian Cerrado was evaluated
      • Trends were assessed from remote sensing data, and in observed discharge
      • Uncertainties were computed from in situ data
    2. Capillary pinning and blunting of immiscible gravity currents in porous media

      Benzhong Zhao, Christopher W. MacMinn, Herbert E. Huppert and Ruben Juanes

      Article first published online: 3 SEP 2014 | DOI: 10.1002/2014WR015335

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      Key Points

      • We study experimentally the impact of capillarity on a buoyant gravity current
      • We show that capillary pressure hysteresis can stop migration of the current
      • Capillary pinning can be an effective trapping mechanism in CO2 sequestration
    3. A new selection metric for multiobjective hydrologic model calibration

      Masoud Asadzadeh, Bryan A. Tolson and Donald H. Burn

      Article first published online: 3 SEP 2014 | DOI: 10.1002/2013WR014970

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      Key Points

      • New convex hull-based selection metric for multiobjective model calibration
      • Biobjective model calibration Pareto front often approximated by convex curve
      • CHC improves PADDS performance for MO hydrologic model calibration problems
  9. Opinion Articles

    1. Water resources management in a homogenizing world: Averting the Growth and Underinvestment trajectory

      Ali Mirchi, David W. Watkins Jr., Casey J. Huckins, Kaveh Madani and Peder Hjorth

      Article first published online: 2 SEP 2014 | DOI: 10.1002/2013WR015128

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      Key Points

      • Growth and Underinvestment (G&U) system archetype characterizes unsustainability
      • Biotic homogenization driven by water resources development exemplifies G&U
      • Policy levers are identified to avoid the G&U trajectory
  10. Research Articles

    1. Life in a fishbowl: Prospects for the endangered Devils Hole pupfish (Cyprinodon diabolis) in a changing climate

      Mark B. Hausner, Kevin P. Wilson, D. Bailey Gaines, Francisco Suárez, G. Gary Scoppettone and Scott W. Tyler

      Article first published online: 27 AUG 2014 | DOI: 10.1002/2014WR015511

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      Key Points

      • Numerical simulations predict habitat temperatures under climate scenarios
      • Combining CFD with ecological modeling quantifies impacts of climate change
      • Devils Hole is an indicator of changes expected in similar arid ecosystems
    2. Spatial and diurnal below canopy evaporation in a desert vineyard: Measurements and modeling

      D. Kool, A. Ben-Gal, N. Agam, J. Šimůnek, J. L. Heitman, T. J. Sauer and N. Lazarovitch

      Article first published online: 27 AUG 2014 | DOI: 10.1002/2014WR015409

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      Key Points

      • Evaporation was quantified in a drip-irrigated desert vineyard
      • Specific focus was on spatial and temporal variations across the inter-row
      • Adapted HYDRUS (2-D/3-D) model successfully simulated evaporation patterns
    3. Hydrologic routing using nonlinear cascaded reservoirs

      Dong Ha Kim and Aris P. Georgakakos

      Article first published online: 27 AUG 2014 | DOI: 10.1002/2014WR015662

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      Key Points

      • Identification of nonlinear hydrologic system functions
      • Release-storage, gain/loss functions can be arbitrarily nonlinear but nondecreasing
      • Method applicable for general systems in state space form
    4. Continuous estimation of baseflow in snowmelt-dominated streams and rivers in the Upper Colorado River Basin: A chemical hydrograph separation approach

      Matthew P. Miller, David D. Susong, Christopher L. Shope, Victor M. Heilweil and Bernard J. Stolp

      Article first published online: 26 AUG 2014 | DOI: 10.1002/2013WR014939

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      Key Points

      • Baseflow can be estimated continuously from surface water data
      • A conceptual model was developed to accurately interpret baseflow estimates
      • The approach provides a tool for assessing environmental effects on streamflow
    5. Detection of spatially limited high-porosity layers using crosshole GPR signal analysis and full-waveform inversion

      Anja Klotzsche, Jan van der Kruk, John Bradford and Harry Vereecken

      Article first published online: 26 AUG 2014 | DOI: 10.1002/2013WR015177

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      Key Points

      • High-contrast layers generate specific waveguide phenomena in crosshole GPR
      • Novel amplitude analysis indicates discontinuous waveguide in GPR data
      • High-resolution full-waveform inversion results are confirmed by porosity logs
    6. One-dimensional soil temperature simulation with Common Land Model by assimilating in situ observations and MODIS LST with the ensemble particle filter

      Zhongbo Yu, Xiaolei Fu, Lifeng Luo, Haishen Lü, Qin Ju, Di Liu, Dresden A. Kalin, Dui Huang, Chuanguo Yang and Lili Zhao

      Article first published online: 25 AUG 2014 | DOI: 10.1002/2012WR013473

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      Key Points

      • A new data assimilation system
      • MODIS LST
      • Poorly gauged catchments
    7. Effects of tidal fluctuations on mixing and spreading in coastal aquifers: Homogeneous case

      María Pool, Vincent E. A. Post and Craig T. Simmons

      Article first published online: 25 AUG 2014 | DOI: 10.1002/2014WR015534

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      Key Points

      • Identification of the controls of tidally driven dynamics
      • Systematic quantification of tidal effects on solute mixing and spreading in SWI
      • Quantitative guidance
    8. Snow depth, density, and SWE estimates derived from GPS reflection data: Validation in the western U. S.

      James L. McCreight, Eric E. Small and Kristine M. Larson

      Article first published online: 25 AUG 2014 | DOI: 10.1002/2014WR015561

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      Key Points

      • GPS-based snow depth measurements validated at 18 sites near-peak snow accumulation
      • SWE is calculated from snow density modeled on GPS-based depth observations
      • Near real-time GPS-based snow depth and SWE are accurate enough for most applications
    9. Water banking, conjunctive administration, and drought: The interaction of water markets and prior appropriation in southeastern Idaho

      Sanchari Ghosh, Kelly M. Cobourn and Levan Elbakidze

      Article first published online: 25 AUG 2014 | DOI: 10.1002/2014WR015572

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      Key Points

      • Water marketing arrangements interact with existing institutions
      • Conjunctive administration redistributes profit and alters land-use patterns
      • Water banking offsets profit losses from drought and conjunctive administration
  11. Technical Reports: Data

    1. Oscillatory pumping wells in phreatic, compressible, and homogeneous aquifers

      G. Dagan and A. Rabinovich

      Article first published online: 22 AUG 2014 | DOI: 10.1002/2014WR015454

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      Key Points

      • Analytical solution of periodic head field for oscillatory pumping is derived
      • The major impact of the water table boundary condition is set forth
      • Identification procedure of the parameters is outlined
  12. Research Articles

    1. The benefits of using remotely sensed soil moisture in parameter identification of large-scale hydrological models

      N. Wanders, M. P. F. Bierkens, S. M. de Jong, A. de Roo and D. Karssenberg

      Article first published online: 22 AUG 2014 | DOI: 10.1002/2013WR014639

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      Key Points

      • Satellite soil moisture holds potential for calibration of hydrological models
      • Soil moisture observations enable better calibration of land-surface parameters
      • Errors in discharge simulations are reduced using soil moisture for calibration
    2. You have full text access to this OnlineOpen article
      Risk-based water resources planning: Incorporating probabilistic nonstationary climate uncertainties

      Edoardo Borgomeo, Jim W. Hall, Fai Fung, Glenn Watts, Keith Colquhoun and Chris Lambert

      Article first published online: 22 AUG 2014 | DOI: 10.1002/2014WR015558

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      Key Points

      • Probability of exceeding planned frequency of water shortages is used as a risk metric
      • Nonstationary climate projections used to estimate changes in the risk metric
      • Use of uncertain climate information for adaptation planning is demonstrated
    3. Calibration of seawater intrusion models: Inverse parameter estimation using surface electrical resistivity tomography and borehole data

      J. Beaujean, F. Nguyen, A. Kemna, A. Antonsson and P. Engesgaard

      Article first published online: 22 AUG 2014 | DOI: 10.1002/2013WR014020

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      Key Points

      • Inversion of nonlinear groundwater model
      • To perform quantitative hydrogeophysics
      • To develop a methodology to characterize seawater intrusion
    4. Improved regional water management utilizing climate forecasts: An interbasin transfer model with a risk management framework

      Weihua Li, A. Sankarasubramanian, R. S. Ranjithan and E. D. Brill

      Article first published online: 22 AUG 2014 | DOI: 10.1002/2013WR015248

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      Key Points

      • Climate forecasts promote interbasin transfer
      • Spatial correlation between inflows and initial storage control the transfers
      • Low spatial correlation between inflows and/or initial storage promote IBT
    5. Controls on groundwater flow in a semiarid folded and faulted intermountain basin

      Lyndsay B. Ball, Jonathan Saul Caine and Shemin Ge

      Article first published online: 22 AUG 2014 | DOI: 10.1002/2013WR014451

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      Key Points

      • Numerical groundwater model of folded and faulted intermountain basin
      • Different landscapes form topography or permeability controlled flow systems
      • Geologic structure controls recharge mechanisms in valley aquifers
    6. Approximate Bayesian Computation using Markov Chain Monte Carlo simulation: DREAM(ABC)

      Mojtaba Sadegh and Jasper A. Vrugt

      Article first published online: 22 AUG 2014 | DOI: 10.1002/2014WR015386

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      Key Points

      • DREAM(ABC) significantly enhances efficiency of likelihood-free sampling
      • DREAM(ABC) permits diagnostic inference of complex system models
      • DREAM(ABC) is amenable to distributed multiprocessor implementation
    7. Improving nutrient management practices in agriculture: The role of risk-based beliefs in understanding farmers' attitudes toward taking additional action

      Robyn S. Wilson, Gregory Howard and Elizabeth A. Burnett

      Article first published online: 21 AUG 2014 | DOI: 10.1002/2013WR015200

      Key Points

      • Farmers' attitudes are largely driven by perceived risk and response efficacy
      • The majority of farmers (∼93%) have a positive attitude toward taking action
      • Younger farmers already engaged in conservation have a more positive attitude
    8. Saltwater-freshwater mixing dynamics in a sandy beach aquifer over tidal, spring-neap, and seasonal cycles

      James W. Heiss and Holly A. Michael

      Article first published online: 21 AUG 2014 | DOI: 10.1002/2014WR015574

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      Key Points

      • Beach mixing zone varied over tidal, spring-neap, and seasonal cycles
      • Salinity varies most strongly in response to seasonal inland water table changes
      • Beach groundwater dynamics have implications for biogeochemical cycling
    9. Examining spatial and temporal variability in snow water equivalent using a 27 year reanalysis: Kern River watershed, Sierra Nevada

      Manuela Girotto, Gonzalo Cortés, Steven A. Margulis and Michael Durand

      Article first published online: 20 AUG 2014 | DOI: 10.1002/2014WR015346

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      Key Points

      • Spatially and temporally continuous high-resolution SWE estimates are obtained
      • Length and resolution of the reanalysis are unprecedented
      • Interannually variable patterns and mostly nonsignificant trends were found
  13. Technical Reports: Methods

    1. Identifying sampling locations for field-scale soil moisture estimation using K-means clustering

      Zach Van Arkel and Amy L. Kaleita

      Article first published online: 19 AUG 2014 | DOI: 10.1002/2013WR015015

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      Key Points

      • Soil moisture sampling points can be selected using topography and soils data
      • Clustering method gives accurate results without prior observations of soil moisture
  14. Research Articles

    1. Using multiple donor sites for enhanced flood estimation in ungauged catchments

      T. R. Kjeldsen, D. A. Jones and D. G. Morris

      Article first published online: 18 AUG 2014 | DOI: 10.1002/2013WR015203

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      Key Points

      • Statistical framework for optimal transfer of data from multiple donor sites
      • New performance measure accounting for at-site sampling variability
      • A minimum of six donor sites gives the optimal index flood prediction
    2. Hydrogeologic insights for a Devil's Slide-like system

      Matthew A. Thomas and Keith Loague

      Article first published online: 18 AUG 2014 | DOI: 10.1002/2014WR015649

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      Key Points

      • Hydrogeologic study of a landslide-prone section of the central California coast
      • Simulated fluid pressures suggest the slope is unconditionally unstable
      • Consideration of the unsaturated zone is important to understand slope failure
    3. Local- and field-scale stochastic-advective vertical solute transport in horizontally heterogeneous unsaturated soils

      Richa Ojha, A. Prakash and Rao S. Govindaraju

      Article first published online: 18 AUG 2014 | DOI: 10.1002/2014WR015562

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      Key Points

      • Local-scale model for solute transport is developed
      • The local-scale solutions are upscaled to field-scale solute transport
      • Analytical expressions are developed for mean field-scale resident concentration
    4. You have full text access to this OnlineOpen article
      Reimagining cost recovery in Pakistan's irrigation system through willingness-to-pay estimates for irrigation water from a discrete choice experiment

      Andrew Reid Bell, M. Azeem Ali Shah and Patrick S. Ward

      Article first published online: 18 AUG 2014 | DOI: 10.1002/2014WR015704

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      Key Points

      • Farmers are typically willing to pay more for canal water than is assessed
      • Those farmers with most reliable supply are willing to pay the most
      • There is potential to develop self-reinforcing cost recovery in the Indus
    5. Impact of ambient conditions on evaporation from porous media

      Asaf Ben Neriah, Shmuel Assouline, Uri Shavit and Noam Weisbrod

      Article first published online: 18 AUG 2014 | DOI: 10.1002/2014WR015523

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      Key Points

      • Cumulative evaporation during S1 was higher in low temperature
      • The evaporation characteristic length, LC, decreases linearly with temperature
      • The resistance coefficient is constant in S1 and change with T for S2 and ep
    6. Antecedent moisture conditions control mercury and dissolved organic carbon concentration dynamics in a boreal headwater catchment

      Claire J. Oswald and Brian A. Branfireun

      Article first published online: 15 AUG 2014 | DOI: 10.1002/2013WR014736

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      Key Points

      • Mercury and organic carbon dynamics depend on antecedent moisture conditions
      • Mercury and organic carbon concentration-discharge relationships shift after dry periods
      • Changing runoff sources and flow pathways result in variable solute export
    7. Economic analysis of the water demand in the hotels and restaurants sector: Shadow prices and elasticities

      Ana Angulo, Majed Atwi, Ramón Barberán and Jesús Mur

      Article first published online: 15 AUG 2014 | DOI: 10.1002/2013WR014085

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      Key Points

      • Water consumption is largely out of control in the hotels and restaurants sector
      • The shadow price of water is higher than the observed price
      • Water price elasticity enables the use of pricing in water demand management
    8. Assessing the value of seasonal climate forecast information through an end-to-end forecasting framework: Application to U.S. 2012 drought in central Illinois

      Majid Shafiee-Jood, Ximing Cai, Ligang Chen, Xin-Zhong Liang and Praveen Kumar

      Article first published online: 15 AUG 2014 | DOI: 10.1002/2014WR015822

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      Key Points

      • Current seasonal forecasts can make farmers worse off in extreme droughts
      • Institutional interventions affect value of forecasts and farmers' decisions
      • Limited predictability of extreme droughts challenges ex ante assessment
    9. Bed load fluctuations in a steep channel

      Tamara Ghilardi, Mário J. Franca and Anton J. Schleiss

      Article first published online: 15 AUG 2014 | DOI: 10.1002/2013WR014449

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      Key Points

      • Observation of bed load fluctuations and correlated bed states in a steep channel
      • Correlational and phase analysis of bed load, flow velocity, and bed morphology
      • Link between velocity, morphology variables, and bed load transport is shown
    10. A semianalytical solution for the Boussinesq equation with nonhomogeneous constant boundary conditions

      Nelson L. Dias, Tomás L. Chor and Ailín Ruiz de Zárate

      Article first published online: 13 AUG 2014 | DOI: 10.1002/2014WR015437

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      Key Points

      • An analytical solution of the Boussinesq equation is obtained
      • Expressions are derived for practical applications
      • The new expressions may be applied in drainage engineering and Hydrology
    11. Robust, low-cost data loggers for stream temperature, flow intermittency, and relative conductivity monitoring

      Thomas P. Chapin, Andrew S. Todd and Matthew P. Zeigler

      Article first published online: 13 AUG 2014 | DOI: 10.1002/2013WR015158

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      Key points

      • High-resolution, long-duration, intermittent stream flow, and temperature monitoring
      • Provides relative conductivity information and can estimate specific conductivity
      • Simple, low-cost, robust design, operates when frozen or buried in sediment
    12. Discontinuous Galerkin flood model formulation: Luxury or necessity?

      Georges Kesserwani and Yueling Wang

      Article first published online: 13 AUG 2014 | DOI: 10.1002/2013WR014906

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      Key Points

      • Improved flood model formulation
      • Comparative performance study
      • Implication to flood modeling practice
    13. Modeling spatiotemporal impacts of hydroclimatic extremes on groundwater recharge at a Mediterranean karst aquifer

      Andreas Hartmann, Matías Mudarra, Bartolomé Andreo, Ana Marín, Thorsten Wagener and Jens Lange

      Article first published online: 13 AUG 2014 | DOI: 10.1002/2014WR015685

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      Key Points

      • A new approach for spatiotemporal recharge estimation for karst aquifers
      • Impacts of hydroclimatic extremes on the entire karst system are elaborated
      • Recharge rates are more sensitive to a precipitation decrease than an increase
    14. You have full text access to this OnlineOpen article
      A simple inverse method for the interpretation of pumped flowing fluid electrical conductivity logs

      R. S. Moir, A. H. Parker and R. T. Bown

      Article first published online: 13 AUG 2014 | DOI: 10.1002/2013WR013871

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      Key Points

      • A simple method for automatic processing of pumped dilution tests is presented
      • The method allows depth varying hydraulic conductivity to be calculated
    15. Epidemiology of urban water distribution systems

      Jean-Pierre Bardet and Richard Little

      Article first published online: 13 AUG 2014 | DOI: 10.1002/2013WR015017

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      Key Points

      • Application of human epidemiology to water pipes breaks in cities
      • Stressors trigger failure waves in pipes weakened by fatigue and corrosion
      • Prediction of clustered pipe breaks with harvesting model
    16. Comparing vertical profiles of natural tracers in the Williston Basin to estimate the onset of deep aquifer activation

      M. Jim Hendry and Glenn A. Harrington

      Article first published online: 13 AUG 2014 | DOI: 10.1002/2014WR015652

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      Key Points

      • Two naturally occurring tracers yield consistent and complementary results
      • Solute transport in thick (395 m) Cretaceous shale is dominated by diffusion
      • Water recharge into an aquifer during glaciation is the dominant palaeoevent
    17. Nonequilibrium water dynamics in the rhizosphere: How mucilage affects water flow in soils

      Eva Kroener, Mohsen Zarebanadkouki, Anders Kaestner and Andrea Carminati

      Article first published online: 13 AUG 2014 | DOI: 10.1002/2013WR014756

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      Key Points

      • Development of a new model of root water uptake including nonequilibrium
      • Experimental evidence how mucilage alters hydraulic properties
      • Hydraulic nonequilibrium observed with neutron radiography
    18. Assessing the impacts of fiscal reforms on investment in village-level irrigation infrastructure

      Christine E. Boyle, Qiuqiong Huang and Jinxia Wang

      Article first published online: 8 AUG 2014 | DOI: 10.1002/2013WR015125

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      Key Points

      • Changes due to fiscal reforms have reduced villages' capacity to fund irrigation works
      • Since 2005, the central government has been the main village irrigation works investor
      • Farmers remain the most stable source of investment for village irrigation projects
    19. Inference of reactive transport model parameters using a Bayesian multivariate approach

      Luca Carniato, Gerrit Schoups and Nick van de Giesen

      Article first published online: 5 AUG 2014 | DOI: 10.1002/2013WR014156

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      Key Points

      • Effect of residual correlation is limited to strongly correlated cases
      • Linearly correlated residuals cannot account for model structural errors
      • Analytically integrating out covariances leads to efficient inference
    20. Behavioral response to contamination risk information in a spatially explicit groundwater environment: Experimental evidence

      Jingyuan Li, Holly A. Michael, Joshua M. Duke, Kent D. Messer and Jordan F. Suter

      Article first published online: 5 AUG 2014 | DOI: 10.1002/2013WR015230

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      Key Points

      • Economics experiments test groundwater user behavior with contamination risk
      • Risk information affects extraction behavior with invariant economic incentives
      • More extensive hydrogeologic information leads to more sustainable behavior
    21. Modeling irrigation behavior in groundwater systems

      Timothy Foster, Nicholas Brozović and Adrian P. Butler

      Article first published online: 5 AUG 2014 | DOI: 10.1002/2014WR015620

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      Key Points

      • Declining well yields restrict optimal irrigated area and irrigation demand
      • Reductions in irrigated area are required to avoid damaging crop water stress
      • Failure to model well yield leads to overprediction of profits and resilience
    22. Single-parameter model of vegetated aquatic flows

      Ilenia Battiato and Simonetta Rubol

      Article first published online: 5 AUG 2014 | DOI: 10.1002/2013WR015065

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      Key Points

      • Analytical model characterized by one fitting parameter
      • Velocities in the canopy and surface layers follow two different scaling laws
      • Good agreement between model predictions and experimental data
    23. You have full text access to this OnlineOpen article
      Extrapolating active layer thickness measurements across Arctic polygonal terrain using LiDAR and NDVI data sets

      Chandana Gangodagamage, Joel C. Rowland, Susan S. Hubbard, Steven P. Brumby, Anna K. Liljedahl, Haruko Wainwright, Cathy J. Wilson, Garrett L. Altmann, Baptiste Dafflon, John Peterson, Craig Ulrich, Craig E. Tweedie and Stan D. Wullschleger

      Article first published online: 5 AUG 2014 | DOI: 10.1002/2013WR014283

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      Key Points

      • First effort to map the ALT using fine resolution remotely sensed data
      • A blended methodology incorporating RS data and statistical manipulation
      • Smaller-scale ALT is controlled by eco-hydro-geo variables
    24. Characterization of flow parameters and evidence of pore clogging during limestone dissolution experiments

      L. Luquot, T. S. Roetting and J. Carrera

      Article first published online: 4 AUG 2014 | DOI: 10.1002/2013WR015193

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      Key Points

      • A new methodology to evaluate flow and transport parameters
      • Clogging phenomenon observed during calcite dissolution
      • Permeability-porosity/diffusion coefficient relationships are negative
    25. Including adaptation and mitigation responses to climate change in a multiobjective evolutionary algorithm framework for urban water supply systems incorporating GHG emissions

      F. L. Paton, H. R. Maier and G. C. Dandy

      Article first published online: 4 AUG 2014 | DOI: 10.1002/2013WR015195

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      Key Points

      • Developing an urban water supply planning framework to mitigate GHG emissions
      • Analyzing the impact of minimizing GHG emissions on cost and supply security
      • Using a real-life case study to illustrate the planning value of the approach
    26. A vertically integrated model with vertical dynamics for CO2 storage

      Bo Guo, Karl W. Bandilla, Florian Doster, Eirik Keilegavlen and Michael A. Celia

      Article first published online: 4 AUG 2014 | DOI: 10.1002/2013WR015215

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      Key Points

      • A vertically integrated model with vertical dynamics is developed
      • It extends the applicability of vertically integrated models for CO2 storage
      • It maintains most computational advantages of vertical equilibrium models
    27. Impact of numerical artifact of the forward model in the inverse solution of density-dependent flow problem

      Mohamed K. Nassar and Timothy R. Ginn

      Article first published online: 4 AUG 2014 | DOI: 10.1002/2013WR014672

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      Key Points

      • Numerical errors in forward model play a big role in calibration success
      • Numerical errors roughen the objective function making the inverse nonunique
      • Some techniques to reduce the impact of errors are demonstrated

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