❝
Ty Ferre attended South Lakes High School in Reston, VA. He attended the Colorado School of Mines, earning a degree in Geophysical Engineering in 1988. He completed a PhD in Earth Sciences at the University of Waterloo in Ontario, Canada, in 1998. After a short post doctoral position at the University of Victoria, British Columbia, Canada, he began at the University of Arizona in 1999. He is married with two children, ages 13 and 15.Show Less
VOSviewer
Courses
- AGMApplied Groundwater Modeling
- RAESRisk Assessment for Environmental Systems
- AGPA Geological Perspective
- VZHVadose Zone Hydrology
- WSEWater, Society & Ecosystems
- EOWHEarth: Our Watery Home
- FSHFundamentals of Subsurface Hydrology
- TASDThe Art and Science of Decision
- MMEFSModeling of Mass and Energy Flow in Soils
Grants
- Advance Land Surface Modeling Coupled with the NextGen NWM and Integrate with NOAA UFS to Improve Hydrologic Forecasting Capability
Principal Investigator (PI)
2022
$241.2K
Active - Hydro Modelling Website Design/Hydrologic Decision-Making Game
Principal Investigator (PI)
2020
$17.7K
- Void 2 LOE 2
Principal Investigator (PI)
2019
$11.9K
- Optimizing Temperature Sensor Placement to Measure Streambed Infiltration
Principal Investigator (PI)
2018
$61.3K
- University of Arizona research related to rOpen
Principal Investigator (PI)
2016
$76.0K
- Feedback Index for Assessing the Impact of Restoration on Ecohydrological Processes in Response to Variable Climate
Principal Investigator (PI)
2015
$20.0K
- Characterizing the Hydrologic Function of Wetland in Upper Cook Inlet, Southcentral Alaska
Principal Investigator (PI)
2014
$53.8K
- Using Multiple Gravimeters to Test Conceptual Models of Subsurface Flow
Principal Investigator (PI)
2013
$127.3K
- RUI: Groundwater Climate Variability
Principal Investigator (PI)
2013
$55.8K
- Multi-criteria sensitivity analysis of the vulnerability of hydrologic systems to climate variability and change in the southwestern U.S...
Principal Investigator (PI)
2012
$63.5K
News
- UA Hydrologists Study Aspen Fire
2003
- UA Hydrologists Mobilize Students for Global Data Gathering
2003
- UA Hydrologists Study Aspen Fire Area to Better Understand Runoff, Flooding
2003
Publications (167)
Recent
- Tandem Use of Multiple Tracers and Metrics to Identify Dynamic and Slow Hydrological Flowpaths
2022
- Can Deep Learning Extract Useful Information about Energy Dissipation and Effective Hydraulic Conductivity from Gridded Conductivity Fields?
2021
- An improved practical approach for estimating catchment-scale response functions through wavelet analysis
2021
- A model ensemble generator to explore structural uncertainty in karst systems with unmapped conduits [用于探索未测绘岩溶管道系统其结构不确定性的模型集合生成器]
2021
- Impacts of an Internal Finer-Textured Layer on Soil Evaporation and Salt Distribution
2021
- Coupling surface flow with high-performance subsurface reactive flow and transport code PFLOTRAN
2021
- Can simple machine learning tools extend and improve temperature-based methods to infer streambed flux?
2021
- Application of an iterative source localization strategy at a chlorinated solvent site
2021
- Using bromide data tracer and HYDRUS-1D to estimate groundwater recharge and evapotranspiration under film-mulched drip irrigation in an arid Inland Basin, Northwest China
2021
- Being bayesian: Discussions from the perspectives of stakeholders and hydrologists
2020
- Soil conditions affect cotton root distribution and cotton yield under mulched drip irrigation
2020
- Ubiquitous fractal scaling and filtering behavior of hydrologic fluxes and storages from a mountain headwater catchment
2020
- Strong slope-aspect control of regolith thickness by bedrock foliation
2020
- On the shape of forward transit time distributions in low-order catchments
2020
- Vegetation source water identification using isotopic and hydrometric observations from a subhumid mountain catchment
2019
- Designing Robust, cost-effective field measurement sets using universal multiple linear regression
2019
- Robust Predictive Design of Field Measurements for Evapotranspiration Barriers Using Universal Multiple linear Regression
2019
- Hydrologic functioning of the deep critical zone and contributions to streamflow in a high-elevation catchment: Testing of multiple conceptual models
2019
- Distinct stores and the routing of water in the deep critical zone of a snow-dominated volcanic catchment
2019
- Developing a particle tracking surrogate model to improve inversion of ground water Surface water models
2018
- Filtering of Periodic Infiltration in a Layered Vadose Zone: 2. Applications and a Freeware Screening Tool
2018
- Corrigendum to spatial distribution of soil moisture, soil salinity, and root density beneath a cotton field under mulched drip irrigation with brackish and fresh water rsquo; [Field Crops Research 215 (2018) 207 ndash;221](S0378429017316465)(10.1016/j.fcr.2017.10.019)
2018
- Event-response ellipses: a method to quantify and compare the role of dynamic storage at the catchment scale in snowmelt-dominated systems
2018
- Examining the Potentials and Limitations of Using Temperature Tracing to Infer Water Flux through Unsaturated Soils
2018
- Effect of Sodium Chloride and Manganese in Irrigation Water on Cotton Growth
2018
- Spatial distribution of soil moisture, soil salinity, and root density beneath a cotton field under mulched drip irrigation with brackish and fresh water (vol 215, pg 207, 2018)
2018
- Reconnecting Stochastic Methods With Hydrogeological Applications: A Utilitarian Uncertainty Analysis and Risk Assessment Approach for the Design of Optimal Monitoring Networks
2018
- Climate variability and vadose zone controls on damping of transient recharge
2018
- Extending Data Worth Analyses to Select Multiple Observations Targeting Multiple Forecasts
2018
- Modelers: Is Objectivity Overrated?
2017
- Successful Sampling Strategy Advances Laboratory Studies of NMR Logging in Unconsolidated Aquifers
2017
- Groundwater management under uncertainty using a stochastic multi-cell model
2017
- Hydrologic functioning of the deep Critical Zone and contributions to streamflow in a high elevation catchment: testing of multiple conceptual models
2017
- Combined Effect of Sodium Chloride and Boron in Irrigation Water on Cotton Growth
2017
- Analysis of subsurface temperature data to quantify groundwater recharge rates in a closed Altiplano basin, northern Chile
2017
- Revisiting the Relationship Between Data, Models, and Decision-Making
2017
- Interannual to multidecadal climate forcings on groundwater resources of the U.S. West Coast
2017
- Spatial variability of microbial richness and diversity and relationships with soil organic carbon, texture and structure across an agricultural field
2016
- Improving the impact of soil science by reconsidering the interactions of data, models, and decisions — An ongoing discussion during the 2016 Darcy lecture tour
2016
- Accounting for time- and space-varying changes in the gravity field to improve the network adjustment of relative-gravity data
2016
- Voxel inversion of airborne electromagnetic data for improved groundwater model construction and prediction accuracy
2016
- Testing alternative uses of electromagnetic data to reduce the prediction error of groundwater models
2016
- Evaluating an ensemble classification approach for crop diversity verification in Danish greening subsidy control
2016
- Time-lapse gravity data for monitoring and modeling artificial recharge through a thick unsaturated zone
2016
- An Ensemble-Based Training Data Refinement for Automatic Crop Discrimination Using WorldView-2 Imagery
2015
- The Landscape Evolution Observatory: A large-scale controllable infrastructure to study coupled Earth-surface processes
2015
- A framework for testing the use of electric and electromagnetic data to reduce the prediction error of groundwater models
2015
- Hydrologic-Process-Based Soil Texture Classifications for Improved Visualization of Landscape Function
2015
- Prediction of the glyphosate sorption coefficient across two loamy agricultural fields
2015
- On the optimal design of experiments for conceptual and predictive discrimination of hydrologic system models
2015
- Leaching of Glyphosate and Aminomethylphosphonic Acid from an Agricultural Field over a Twelve-Year Period
2014
- A Screening Tool for Delineating Subregions of Steady Recharge within Groundwater Models
2014
- Don rsquo;t Use Geophysics
2014
- Tunnel Discrimination Using Mobile Geophysical Arrays
2014
- Field-scale Variation in Colloid Dispersibility and Transport: Multiple Linear Regressions to Soil Physico-Chemical and Structural Properties
2014
- Direct measurement of subsurface mass change using the variable baseline gravity gradient method
2014
- Storage-discharge relationships at different catchment scales based on local high-precision gravimetry
2014
- Ensemble Classification Approach for Improved Land Use/Cover Change Detection
2014
- AN ENSEMBLE CLASSIFICATION APPROACH FOR IMPROVED LAND USE/COVER CHANGE DETECTION
2014
- OPTIMIZATION OF MOBILE CAPACITATIVELY-COUPLED GEOPHYSICAL SURVEYS FOR TUNNEL DISCRIMINATION
2014
- Surface NMR instrumentation and methods for detecting and characterizing water in the vadose zone
2014
- A CONTROLLED GEOPHYSICAL MONITORING EXPERIMENT OF THE LANDSCAPE EVOLUTION OBSERVATORY AT BIOSPHERE 2
2013
- Preface Groundwater recharge: Processes and quantification
2013
- Processes Controlling Recharge Beneath Ephemeral Streams in Southern Arizona
2013
- Influence of road reclamation techniques on forest ecosystem recovery
2013
- An assessment of the effect of horizontal soil moisture heterogeneity on the area-average measurement of cosmic-ray neutrons
2013
- Groundwater recharge: processes and quantification Preface
2013
- Prediction of the soil water characteristic from soil particle volume fractions
2012
- Field validation of a cosmic-ray neutron sensor using a distributed sensor network
2012
- Total water storage dynamics in response to climate variability and extremes: Inference from long-term terrestrial gravity measurement
2012
- Three-dimensional sensitivity distribution and sample volume of low-induction-number electromagnetic-induction instruments
2012
- Understanding the Spatiotemporal Distribution of Soil Moisture at Intermediate Spatial Scales Using Geophysical Methods
2012
- Optimizing ERT Surveys for Tunnel Detection
2012
- Gravity-measured Water Storage Change and Subsurface Hydraulic Properties at a Managed Recharge Facility in Tuscon, AZ, USA
2012
- Gravity‐Measured Water Storage Change and Subsurface Hydraulic Properties at a Managed Recharge Facility in Tucson, USA
2012
- Measurement depth of the cosmic ray soil moisture probe affected by hydrogen from various sources
2012
- Spatially telescoping measurements for improved characterization of ground water-surface water interactions
2012
- Monitoring a Novel Approach to Monitor Enhanced Recharge with Time Lapse Gravity
2012
- Simple predictive models for saturated hydraulic conductivity of technosands
2012
- Vadose zone model-data fusion: State of the art and future challenges
2012
- Using Superconducting Gravimeters for Local Water Storage Change Monitoring: Case Study of the Geodetic Observatory Wettzell, Germany
2011
- Opportunities for Improved Collaboration between Hydrologists and Geophysicists
2011
- Near-surface solute redistribution during evaporation
2011
- Effects of measurement resolution on the analysis of temperature time series for stream-aquifer flux estimation
2011
- Relationship between specific surface area and the dry end of the water retention curve for soils with varying clay and organic carbon contents
2011
- Environmental controls on drainage behavior of an ephemeral stream
2010
- Improved extraction of hydrologic information from geophysical data through coupled hydrogeophysical inversion.
2010
- Understanding the impacts of anisotropy on the extent of drawdown
2010
- Nature's neutron probe: Land surface hydrology at an elusive scale with cosmic rays
2010
- Practical limitations and applications of short dead time surface NMR
2010
- The COsmic-ray Soil Moisture Observing System (COSMOS): a non-invasive, intermediate scale soil moisture measurement network
2010
- The ah ha moment of measurement: Introduction to the special section on Hydrologic Measurement Methods
2009
- Critical steps for the continuing advancement of hydrogeophysics
2009
- Measuring soil moisture content non-invasively at intermediate spatial scale using cosmic-ray neutrons
2008
- Steady state lateral water flow through unsaturated soil layers
2008
- The effects of anisotropy on in situ air permeability measurements
2008
- Considerations for measuring pressure head and water content in inclined boreholes
2008
- Correlation between air permeability and saturated hydraulic conductivity: Unburned and burned soils
2008
- Effects of stream-aquifer disconnection on local flow patterns
2008
- Flash flood dynamics and composition in a semiarid mountain watershed
2008
- Advancing process-based watershed hydrological research using near-surface geophysics: A vision for, and review of, electrical and magnetic geophysical methods
2008
- A universal calibration function for determination of soil moisture with cosmic-ray neutrons
2008
- Scientist water equivalent measured with cosmic rays at 2006 AGU fall meeting
2007
- Vertical spatial sensitivity and exploration depth of low-induction-number electromagnetic-induction instruments
2007
- Assessing the likely value of gravity and drawdown measurements to constrain estimates of hydraulic conductivity and specific yield during unconfined aquifer testing
2007
- Spatial focusing of electrical resistivity surveys considering geologic and hydrologic layering
2007
- Post-wildfire changes in suspended sediment rating curves: Sabino Canyon, Arizona
2007
- Examination of the Potential for Time Domain Electromagnetic Method for Monitoring Infiltration and Recharge in Arid Areas@@@دراسة استخدام الطرق الكهرومغنطيسية في النطاق الزمني لمتابعة تسرب وتغذية المياه في المناطق الجافة
2007
- Tier-scalable reconnaissance missions for the autonomous exploration of planetary bodies
2007
- A glass always half full: Reconsideration of the Wales apparatus to apply constant head boundary conditions
2007
- The effect of a dipping layer on the first-arrival traveltime from zero-offset and fixed-offset borehole radar
2007
- A field application of the scaled-predictive method for unsaturated soil
2006
- Can basin-scale recharge be estimated reasonably with water-balance models?
2006
- Design and testing of a low-cost soil-drying oven
2006
- Inferring hydraulic properties using surface-based electrical resistivity during infiltration
2006
- Practical Handbook of Soil, Vadose Zone, and Ground-Water Contamination: Assessment, Prevention, and Remediation
2006
- Linking the Gardner and Campbell models for water retention and hydraulic conductivity in near-saturated soil
2006
- Field testing of a Soil Corer Air Permeameter (SCAP) in desert soils
2006
- Relative contributions of transient and steady state infiltration during ephemeral streamflow
2006
- The influence of time domain reflectometry rod induced flow disruption on measured water content during steady state unit gradient flow
2006
- Environmental studies with the sensor web: Principles and practice
2005
- Extraterrestrial hydrogeology
2005
- Automated water content reconstruction of zero-offset borehole ground penetrating radar data using simulated annealing
2005
- Parameter equivalence for the Gardner and van Genuchten soil hydraulic conductivity functions for steady vertical flow with inclusions
2005
- Measuring the dielectric permittivity of a plant canopy and its response to changes in plant water status: An application of Impulse Time Domain Transmission
2005
- Erratum: The effects of salinity on the accuracy and uncertainty of water content measurement (Soil Science Society of America Journal (January-Febuary 2004) 68 (47-56))
2005
- Parameter estimation for soil hydraulic properties using zero-offset borehole radar: Analytical method
2004
- Hydraulic parameter estimation with a constant water flux boundary using zero-offset borehole radar
2004
- Accuracy of frequency domain analysis scenarios for the determination of complex dielectric permittivity
2004
- Optimization of ERT surveys for monitoring transient hydrological events using perturbation sensitivity and genetic algorithms
2004
- The Effects of Salinity on the Accuracy and Uncertainty of Water Content Measurement
2004
- Inferring time-varying recharge from inverse analysis of long-term water levels
2004
- Hydrogeophysics: An introduction from the guest editors
2004
- A statistical technique for interpreting streamflow timing using streambed sediment thermographs
2004
- BGPRconstruct: A MATLAB sup ® /sup ray-tracing program for nonlinear inversion of first arrival travel time data from zero-offset borehole radar
2004
- Improved extraction of hydrologic information from geophysical data through coupled hydrogeophysical inversion
2004
- Correcting water content measurement errors associated with critically refracted first arrivals on zero offset profiling borehole ground penetrating radar profiles
2004
- Sample area of two- and three-rod time domain reflectometry probes
2003
- Measuring spectral dielectric properties using gated time domain transmission measurements
2003
- Quantifying ephemeral streambed infiltration from downhole temperature measurements collected before and after streamflow
2003
- Time domain reflectometry developments in soil science: II. Coaxial flow cell for measuring effluent electrical conductivity
2003
- A sensitivity analysis of electrical resistivity tomography array types using analytical element modeling
2003
- Advances in measurement and monitoring methods: Preface from the guest editors
2003
- Metal-coated printed circuit board time domain reflectometry probes for measuring water and solute transport in soil
2003
- Time domain reflectometry developments in soil science: III. Small-scale probe for measuring bulk soil electrical conductivity
2003
- A time domain transmission method for determining the dependence of the dielectric permittivity on volumetric water content: An application to municipal landfills
2003
- Near-surface water content estimation with borehole ground penetrating radar using critically refracted waves
2003
- The electrical conductivity response of a profiling time-domain reflectometry probe
2003
- Monitoring the maximum depth of drainage in response to pumping using borehole ground penetrating radar
2003
- Measuring water content in saline sands using impulse time domain transmission techniques
2003
- Transverse sample area of two- and three-rod time domain reflectometry probes: Electrical conductivity
2003
- Time domain reflectometry developments in soil science: I. Unbalanced two-rod probe spatial sensitivity and sampling volume
2003
- Direct Comparison Of Ground Penetrating Radar Transillumination And In-Situ Time Domain Reflectometry For Monitoring The Advance Of A Wetting Front
2002
- New field method to determine streamflow timing using electrical resistance sensors
2002
- Measuring the advance of a wetting front using cross-borehole GPR
2002
- Electrical potential distributions in a heterogeneous subsurface in response to applied current: Solution for circular inclusions
2002
- Unsaturated zone processes
2002
- The effect of the spatial sensitivity of TDR on inferring soil hydraulic properties from water content measurements made during the advance of a wetting front
2002
- A back propagation neural network for identifying first-break times on cross borehole ground penetrating radar traces
2002
- A numerically based analysis of the sensitivity of conventional and alternative time domain reflectometry probes
2000
- Identifying the conditions amenable to the determination of solute concentrations with time domain reflectometry
2000
- Erratum: Identifying the conditions amenable to the determination of solute concentrations with time domain reflectometry (Water Resources Research 36:12, 3767 (2000))
2000
- The sample areas of conventional and alternative time domain reflectometry probes
1998
- The dependence of the electrical conductivity measured by time domain reflectometry on the water content of a sand
1998
- Water content response of a profiling time domain reflectometry probe
1998
- A numerical analysis of the effects of coatings and gaps upon relative dielectric permittivity measurement with time domain reflectometry
1997
- Spatial averaging of water content by time domain reflectometry: Implications for twin rod probes with and without dielectric coatings
1996