Ameli's HG-WM Research Group
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Hydr

What motivates our group
 Accurate prediction of the stream hydrograph [and stream water quality] implies adequate modeling of sources, pathways and residence time of water and solutes 
​[Hewlett and Troendle, 1975].

Decades after Hewlett and Troendle's writing, we still know little about the sources, pathways and residence time of water and solutes within headwaters and their parent watersheds. This lack of scientific knowledge has limited the ability to sufficiently predict the impacts of climate variability and land-use alteration on the quality and quantity of stream water. HydroGeoscience for Watershed Management (HG-WM) research group advances the scientific knowledge on the  quantification of sources, pathways and residence time of water and solutes to inform watershed management, under changing climate and land-use. In doing so, we use physically-based and conceptual hydrologic models as well as we develop new physics-informed machine learning and statistical models.
ALI AMELI (Director)
I am a hydrologist interested in exploring how water and solutes move and react within watersheds, how these movements and reactions change with climate variability and land-use alteration, and ultimately, how these changes impact terrestrial and aquatic ecosystems. I currently lead national and international projects on the development of interdisciplinary approaches for water security assessments and watershed management in collaboration with geochemists, ecologists, agricultural and forestry scientists, as well as water conservation and protection agencies. Through this work, we are developing science-based evidence on the interaction amongst hydrological, geochemical, and ecological processes to inform watershed management, planning, and engineering designs for the end-goal of managing the environmental impacts of climate variability and land-use alteration on groundwater and surface water resources.

RESEARCH GROUP
UBC's HydroGeoscience for Watershed Management (HG-WM) research group combines different environmental and statistical science disciplines in order to scientifically manage the environmental impacts of climate and land-use changes. In particular, HG-WM (1) advances the knowledge on materiel (water & solute) transport below and above the land surface, to (2) inform science-based watershed management strategies and land-use planing, and to (3) design engineered groundwater and surface water protection and purification systems. For the details of our current projects, please see  the research section. The research group members receive full support from HG-WM director to obtain high-level professional development and to achieve their career goals and dreams. Our group members have already received prestigious scholarships and fellowships. In addition, our group alumnus have already landed high-level jobs in environmental and statistical agencies, or continued their graduate studies in top-ranked Universities. 
RESEARCH INTERESTS:
​Groundwater Ecohydrology
Hydro-geological Engineering 
Watershed Management
Applied Hydro-geochemistry
Groundwater - Surfacewater & Land Interaction
Water Resources Engineering
Statistical Machine Learning
Functional Data Analysis

​NSERC SUBJECTS:​
4504 Groundwater
1007 Water Resources and Supply
1501 Water Quality
4501 Hydrogeochemistry
1006 Hydrologic Engineering
2203 Modeling, Simulation
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NEWS
October 2022: New Lab Publications:
  • A statistical approach for identifying factors governing streamflow recession behaviour
May 2022 : PhD Student, Majid Bayati, has received highly competitive UBC's four year PhD fellowship ($ 72,800).

May 2022 : PhD Student, Joe Janssen, has received prestigious NSERC PHD Scholarship ($ 63,000)

September 2021: New Lab Publication:
  • Assessment of Future Risks of Seasonal Municipal Water Shortages across North America
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August 2021: New Lab Publications:
  • Where and When to Collect Tracer Data to Diagnose Hillslope Permeability Architecture 
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  • A Hydrologic Functional Approach for Improving Large-Sample Hydrology Performance in Poorly Gauged Regions
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April 2021: Graduate student Joe Janssen served as a mentor for an award winning project on machine learning (Physical Sciences, Mathematics and Computer Science Project Award) with UBC Undergraduate Research Opportunities' (URO's) annual competition.
April 2021: Graduate student Hongyi Li won the Earth, Ocean and Atmospheric Science (EOAS) department's highly competitive W.H. Mathews and Egil H. Lorntzsen scholarships.
February 2020: Ali Ameli was an Invited Speaker to Geological Society of America (GSA) Annual Meeting 2020. 
February 2020: Ali Ameli was invited to serve as a proposal review panelist by US-National Science Foundation (Earth Science Program).
April 2019: Ali Ameli was invited to the University of Zurich, to talk about hydrologic connectivity, it's applications, and methods to characterize it. 
October 2018: A new paper was published on the quantification of watershed-scale impacts of wetland loss on pathways, source, age and flux of groundwater-surface water interaction.
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​August 2018: A new paper was published on direct quantification of the age, pathways and flux of groundwater export (subsidy) from headwaters to their larger parent watershed.
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​July 2018: Ali Ameli  serves as a guest editor for the special Issue in Water journal on "Hillslope Hydrology: Towards Improved Process Understanding Using Modeling and/or Field Observations". Consider to have contribution to this special issue, if you are working on hillslope hydrology. 
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