KMap
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.

VOSviewer

Courses
  • AGM
    Applied Groundwater Modeling

  • RAES
    Risk Assessment for Environmental Systems

  • AGP
    A Geological Perspective

  • VZH
    Vadose Zone Hydrology

  • WSE
    Water, Society & Ecosystems

  • EOWH
    Earth: Our Watery Home

  • FSH
    Fundamentals of Subsurface Hydrology

  • TASD
    The Art and Science of Decision

  • MMEFS
    Modeling of Mass and Energy Flow in Soils

Grants
  • Funding agency logo
    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
  • Funding agency logo
    Hydro Modelling Website Design/Hydrologic Decision-Making Game

    Principal Investigator (PI)

    2020

    $17.7K
  • Funding agency logo
    Void 2 LOE 2

    Principal Investigator (PI)

    2019

    $11.9K
  • Funding agency logo
    Optimizing Temperature Sensor Placement to Measure Streambed Infiltration

    Principal Investigator (PI)

    2018

    $61.3K
  • Funding agency logo
    Feedback Index for Assessing the Impact of Restoration on Ecohydrological Processes in Response to Variable Climate

    Principal Investigator (PI)

    2015

    $20.0K
  • Funding agency logo
    Characterizing the Hydrologic Function of Wetland in Upper Cook Inlet, Southcentral Alaska

    Principal Investigator (PI)

    2014

    $53.8K
  • Funding agency logo
    Using Multiple Gravimeters to Test Conceptual Models of Subsurface Flow

    Principal Investigator (PI)

    2013

    $127.3K
  • Funding agency logo
    RUI: Groundwater Climate Variability

    Principal Investigator (PI)

    2013

    $55.8K
  • Funding agency logo
    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

Grants
Citations
H-Index
Patents
News
Books
Opportunities