KMap
I am an Assistant Professor in Hydrology and Atmospheric Sciences and an Affiliated Faculty Member of the Program in Applied Math. Before I joined the U of A, I was a postdoc in the Department of Energy Resources Engineering at Stanford University working with Prof. Hamdi Tchelepi. I received my PhD in Civil and Environmental Engineering at Princeton University in 2016 working with Prof. Michael Celia in the Subsurface Hydrology Research Group, and my B.S. (with highest honor) in Hydraulic Engineering from Tsinghua University in China in 2011.

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Courses
  • NMSH
    Numerical Methods in Subsurface Hydrology

  • EOWH
    Earth: Our Watery Home

  • NMETP
    Numerical Methods for Environmental Transport Problems

  • VZH
    Vadose Zone Hydrology

Grants
  • Funding agency logo
    CAREER: Unraveling the role of thin water films in controlling subsurface transport of surface-active contaminants across scales

    Principal Investigator (PI)

    2023

    $331.6K
    Active
  • Funding agency logo
    Determining Site-Specific Soil Screening Levels for Eielson AFB, Alaska

    Co-Investigator (COI)

    2023

    $233.0K
    Active
  • Funding agency logo
    A Multi-Scale and Interdisciplinary Center to Address the Environmental Fate, Transport, and Remediation of Per- and Polyfluoro-alkyl Substances (PFASs)

    Principal Investigator (PI)

    2023

    $50.4K
    Active
  • Funding agency logo
    Tempe cell method for PFAS leaching services

    Co-Investigator (COI)

    2022

    $373.8K
    Active
  • Funding agency logo
    Collaborative Research: ERASE-PFAS: Stabilization of Per- and Polyfluorinated Substances in Sewage Sludge Intended for Land-application

    Principal Investigator (PI)

    2022

    $120.0K
    Active
  • Funding agency logo
    Collaborative Research: GCR: Growing a New Science of Landscape Terraformation: The Convergence of Rock, Fluids, and Life to form Complex Ecosystems Across Scales

    Co-Investigator (COI)

    2021

    $1.2M
    Active
  • Funding agency logo
    Development and Demonstration of PFAS-LEACH, A Comprehensive Decision Support Platform for Predicting PFAS Leaching in Small Zones

    Principal Investigator (PI)

    2021

    $681.1K
    Active
  • Funding agency logo
    Collaborative Research: In Situ Laboratory Imaging and Modeling of PFAS Transport and Fate in Variably Saturated Heterogeneous Porous Media

    Principal Investigator (PI)

    2021

    $155.2K
    Active
  • Funding agency logo
    Pore-Scale Modeling of the Compositional Flow and Phase Behaviors of Hydrocarbons in Shale Formations

    Principal Investigator (PI)

    2021

    $110.0K
    Active
  • Funding agency logo
    Understanding and Quantifying the Retention and Migration of Per- and Polyfluoroalkyl Substances in the Vadose Zone

    Principal Investigator (PI)

    2020

    $398.5K
    Active
News
  • UArizona Receives $1.3M Federal Grant to Study Synthetic Chemicals Posing Risk to Regional Aquifer

    2021

  • Researchers: Synthetic Chemicals in Soils are 'Ticking Time Bomb'

    2020

Publications (50)
Recent
  • Revising the EPA dilution-attenuation soil screening model for PFAS

    2023

  • Reduced Accessible Air–Water Interfacial Area Accelerates PFAS Leaching in Heterogeneous Vadose Zones

    2023

  • Wetting Dynamics of Spontaneous Imbibition in Porous Media: from Pore Scale to Darcy Scale

    2022

  • Transformation in the Stability of Tide‐induced Upper Saline Plume Driven by Transient External Forcing

    2022

  • An Adaptive Hybrid Vertical Equilibrium/Full-Dimensional Model for Compositional Multiphase Flow

    2022

  • PFAS concentrations in soil versus soil porewater: Mass distributions and the impact of adsorption at air-water interfaces

    2022

  • Air-water interfacial adsorption of C4-C10 perfluorocarboxylic acids during transport in unsaturated porous media

    2022

  • An adaptive hybrid vertical equilibrium/full dimensional model for compositional multiphase flow

    2022

  • A hybrid multiscale framework coupling multilayer dynamic reconstruction and full-dimensional models for CO2 storage in deep saline aquifers

    2021

  • Effect of Pore Geometry and Heterogeneous Surface Wettability on the Nanoconfined Phase Behavior in Nanopore Networks of Shale Rocks

    2021

  • Air-water interfacial areas relevant for transport of per and poly-fluoroalkyl substances

    2021

  • A pore-network-based upscaling framework for the nanoconfined phase behavior in shale rocks

    2021

  • Impact of a Hydrocarbon Surfactant on the Retention and Transport of Perfluorooctanoic Acid in Saturated and Unsaturated Porous Media

    2021

  • Multidimensional simulation of PFAS transport and leaching in the vadose zone: Impact of surfactant-induced flow and subsurface heterogeneities

    2021

  • A screening model for quantifying PFAS leaching in the vadose zone and mass discharge to groundwater

    2021

  • Reactive transport modeling of basalt weathering and early soil formation within a highly-controlled, sloping lysimeter.

    2021

  • Model validation and analyses of parameter sensitivity and uncertainty for modeling long-term retention and leaching of PFAS in the vadose zone

    2021

  • Testing the validity of the miscible-displacement interfacial tracer method for measuring air-water interfacial area: Independent benchmarking and mathematical modeling

    2021

  • The impact of multiple-component PFAS solutions on fluid-fluid interfacial adsorption and transport of PFOS in unsaturated porous media

    2021

  • Ideal versus Nonideal Transport of PFAS in Unsaturated Porous Media

    2021

  • Perfluoroalkyl and polyfluoroalkyl substances (PFAS) in groundwater at a reclaimed water recharge facility

    2021

  • Pore-scale modeling of fluid-fluid interfacial area in variably saturated porous media containing micro-scale surface roughness

    2020

  • Fully implicit dynamic pore‐network modeling of two‐phase flow and phase change in porous media

    2020

  • PFAS concentrations in soils: Background levels versus contaminated sites

    2020

  • A Mathematical Model for the Release, Transport, and Retention of Per‐ and Polyfluoroalkyl Substances (PFAS) in the Vadose Zone

    2020

  • Characterization of the micro-scale surface roughness effect on immiscible fluids and interfacial areas in porous media using the measurements of interfacial partitioning …

    2020

  • Low-concentration tracer tests to measure air-water interfacial area in porous media

    2020

  • Pore‐Scale Modeling of Fluid‐Fluid Interfacial Area in Variably Saturated Porous Media Containing Microscale Surface Roughness

    2019

  • Dynamic pore-network modeling of air-water flow through thin porous layers

    2019

  • Vertically-integrated dual-continuum models for CO2 sequestration in fractured reservoirs

    2019

  • Multiscale formulation for pore-scale compressible Darcy-Stokes flow

    2019

  • Vertically integrated dual-continuum models for CO2 injection in fractured geological formations

    2019

  • Effects of Image Resolution on Sandstone Porosity and Permeability as Obtained from X-Ray Microscopy

    2019

  • A guideline for appropriate application of vertically-integrated modeling approaches for geologic carbon storage modeling

    2019

  • An adaptive multiphysics model coupling vertical equilibrium and full multidimensions for multiphase flow in porous media

    2018

  • Modelling hydraulic fracturing with a point-based approximation for the maximum principal stress criterion

    2018

  • Image-based micro-continuum model for gas flow in organic-rich shale rock

    2018

  • Vertically integrated dual-porosity and dual-permeability models for CO2 sequestration in fractured geological formation

    2017

  • Vertically Integrated Dual-porosity and Dual-permeability Models for CO<inf>2</inf> Sequestration in Fractured Geological Formation

    2017

  • Applicability of Vertically Integrated Models for Carbon Storage Modeling in Structured Heterogeneous Domains

    2017

  • A Pseudo‐Vertical Equilibrium Model for Slow Gravity Drainage Dynamics

    2017

  • Flow regime analysis for geologic CO<inf>2</inf>sequestration and other subsurface fluid injections

    2016

  • Flow regime analysis for geologic CO2 sequestration and other subsurface fluid injections

    2016

  • A multiscale multilayer vertically integrated model with vertical dynamics for CO2 sequestration in layered geological formations

    2016

  • Axisymmetric flows from fluid injection into a confined porous medium

    2016

  • Fluid injection and migration in the subsurface: Reduced-order models and multiscale modeling approaches

    2016

  • Flow regimes for fluid injection into a confined porous medium

    2015

  • Application of Vertically-Integrated Models with Subscale Vertical Dynamics to Field Sites for CO2 Sequestration

    2014

  • A vertically integrated model with vertical dynamics for CO2 storage

    2014

  • Bias error induced by concentration gradients in the measurement of sediment-laden flows

    2011

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