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Geoecohydrology Research Group

Understanding the Earth system from bedrock to atmosphere

Texas A&M University College of Engineering

Gretchen R. Miller, Ph.D., P.E.

Associate Professor
Zachry Department of Civil & Environmental Engineering

gmiller@tamu.edu

979.862.2581

402D Dwight Look Engineering Building
3136 TAMU
College Station, Texas 77843-3136
United States

Office Hours: via Zoom by appointment

Research Areas

Ecohydrology; hydrogeology; vadose zone hydrology; groundwater; groundwater-soil-plant-atmosphere continuum (GSPAC); reactive transport modeling; Earth system modeling

Education

Ph.D. 2009: Civil and Environmental Engineering from the University of California – Berkeley

M.S. 2003, B.S. 2002: Geological Engineering from the Missouri University of Science and Technology

Awards

2021 – College of Engineering Excellence Award for Teaching , TAMU
2016 – Dean of Engineering Excellence Award, TAMU
2015 – Editors’ Citation for Excellence in Refereeing – Water Resources Research
2015 – Montague Scholar, Center for Teaching Excellence, TAMU
2014 – National Science Foundation CAREER Award, Environmental Sustainability Program
2013 – Dick and Joyce Birdwell Award for Teaching Excellence, TAMU
2011 – Truman R. Jones Excellence in Graduate Teaching Award, TAMU

Experience

Associate Professor,  Zachry Department of Civil & Environmental Engineering, Texas A&M University,  September 2016 – Present

  • Water Management and Hydrological Science Program Faculty
  • Texas Center for Climate Studies Faculty Affiliate
  • Faculty Advisor for AWRA and Aggies Vote

President, Iron Oak Engineering PLLC, July 2020 – Present

Assistant Professor, Texas A&M University , August 2009 – August 2016

Graduate Student Instructor, Civil and Environmental Engineering, University of California–Berkeley, January – December 2008

Research Engineer, Hydrogeophysics, Inc., Albany, California,  June 2006 – November 2007

Project Engineer, Shaw Environmental, Overland Park, Kansas,  May – August 2003, January – August 2004

Graduate Research Assistant, Department of Geological Engineering, University of Missouri – Rolla,  January – December 2003

Environmental Field Scientist,  Science Applications International Corp., St. Louis, Missouri, May 2002 – August 2002

Publications

  1. Testing alternative conceptual models of river-aquifer connectivity and their impacts on baseflow and river recharge processes
  2. Use of PhenoCam Measurements and Image Analysis to Inform the ALMANAC Process-based Simulation Model
  3. Assessing Forest Level Response to the Death of a Dominant Tree within a Premontane Tropical Rainforest
  4. Topographic and Landcover Influence on Lower Atmospheric Profiles Measured by Small Unoccupied Aerial Systems (sUAS)
  5. Monitoring agroecosystem productivity and phenology at a national scale: A metric assessment framework
  6. Effect of multilayered groundwater mounds on water dynamics beneath a recharge basin: Numerical simulation and assessment of surface injection
  7. Optimizing Multiwell Aquifer Storage and Recovery Systems for Energy Use and Recovery Efficiency
  8. Modeling profiles of micrometeorological variables in a tropical premontane rainforest using multi‐layered CLM (CLM‐ml)
  9. Modeling land surface processes over a mountainous rainforest in Costa Rica using CLM4.5 and CLM5
  10. The pan-tropical response of soil moisture to El Niño
  11. HPeye: Measurement of above‐canopy meteorological profiles using unmanned aerial systems
  12. Simulating groundwater uptake and hydraulic redistribution by phreatophytes in a high-resolution, coupled subsurface-land surface model
  13. Understanding and measuring plant water use
  14. The Importance of Bank Storage in Supplying Baseflow to Rivers Flowing Through Compartmentalized, Alluvial Aquifers
  15. Assessing aquifer storage and recovery feasibility in the Gulf Coastal Plains of Texas
  16. Leaf surface traits and water storage retention affect photosynthetic responses to leaf surface wetness among wet tropical forest and semiarid savanna plants
  17. Comparison of Tree Transpiration under Wet and Dry Canopy Conditions in a Costa Rican Premontane Tropical Forest
  18. Attitudes of Incoming Civil Engineering Students toward Sustainability as an Engineering Ethic
  19. Using Envision to Assess the Sustainability of Groundwater Infrastructure: A Case Study of the Twin Oaks Aquifer Storage and Recovery Project
  20. Mapping Potential Groundwater-Dependent Ecosystems for Sustainable Management
  21. A groundwater–soil–plant–atmosphere continuum approach for modelling water stress, uptake, and hydraulic redistribution in phreatophytic vegetation
  22. A statistical method for estimating wood thermal diffusivity and probe geometry using in situ heat response curves from sap flow measurements
  23. Understanding ecohydrological connectivity in savannas: a system dynamics modelling approach
  24. Characterizing ecohydrological and biogeochemical connectivity across multiple scales: a new conceptual framework
  25. The Dynamics of Energy, Water and Carbon Fluxes in a Blue Oak (Quercus douglasii) Savanna in California, USA
  26. Groundwater uptake by woody vegetation in a semiarid oak savanna
  27. Measuring and modeling interactions between groundwater, soil moisture, and plant transpiration in natural and agricultural ecosystems
  28. Modeling Vadose Zone Processes during Land Application of Food-Processing Waste Water in California’s Central Valley
  29. An analysis of soil moisture dynamics using multi-year data from a network of micrometeorological observation sites
  30. Water quality in Lemoa, Guatemala
  31. Modeling of a Groundwater Circulation Well Removal Action Alternative
  32. Numerical modeling of focused remediation using a groundwater circulation well

Researcher Profiles

ORCID Record, Scopus Record

Google Scholar Profile , ResearchGate Profile

Publons Reviewer Record

TAMU Scholars Page

 

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