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General Information

Full Name Nabin Kalauni
Location Tucson, AZ
Email nkalauni@arizona.edu
Languages English, Nepali

Education

  • 2024 - 2026
    M.S. in Hydrology
    Hydrology and Atmospheric Sciences, University of Arizona, Tucson, AZ
    • Cumulative GPA: 4.0
    • Thesis: A Hybrid Differentiable Land Surface Model for Improved Land Surface Flux Predictions
    • Advisor: Andrew Bennett
    • Coursework: HWRS 642 Analysis of Hydrologic Systems, APPL 527 Physics-informed machine learning, HWRS 640 Computational Methods for Data Driven Earth Sciences
  • 2018 - 2023
    B.S. in Civil Engineering
    Pulchowk Campus, Institute of Engineering (IOE), Tribhuvan University, Lalitpur, Nepal
    • Average mark: 75.9% (top 5% of 1000+ at university level)
    • Best in department: Senior year (86.0% mark)
    • Senior thesis: Assessing Climate Change Impacts on Crop Yield: A Case of Tulsipur, Dang

Research Experience

  • Aug. 2024 - Present
    Graduate Research Assistant
    Computational Hydrology Lab, University of Arizona
    • Supervisor: Prof. Andrew Bennett
    • Developed a physics-AI hybrid model for land surface fluxes
    • Embedded feedforward neural networks for latent and sensible heat flux process equations
    • Implemented in an end-to-end differentiable framework in JAX Python
  • Apr. 2023 - Aug. 2024
    Post-Baccalaureate Research Assistant
    Center for Water Resource Studies (CWRS), IOE
    • Supervisor: Prof. Dr. Vishnu Prasad Pandey
    • Developed HimSim.jl, a process-based hydrological model for Himalayan catchments (snow and glacier focus)
    • Set-up model ODEs using ModelingToolkit.jl in Julia

Publications

  • 2025
    Cereal yield and water requirements in response to irrigation and soil fertility management in a changing climate: a case of Tulsipur, Western Nepal
    Journal of Water and Climate Change
    • Authors: Md Zuber*, Nabin Kalauni*, Dr. Nirman Shrestha, Prof. Vishnu P Pandey (*Equal contributors)
    • DOI: 10.2166/wcc.2025.543
    • Studied climate change impacts on crop yield and irrigation water requirements of rice and wheat
    • Statistically downscaled CMIP6 climate projections in R using quantile mapping
  • 2025
    Xarray for Deep Learning Cookbook
    Project Pythia Cook-off, NCAR
    • Authors: Keenan Ganz, Nabin Kalauni, Project Pythia Community
    • Authored an open-source interactive tutorial on integrating Xarray with PyTorch for Earth System Science data pipelines
  • 2023
    A Guide to Nepal Physics Olympiad
    Open Source Book
    • Authors: Laxman Bista, Nabin Kalauni, Sandesh Parajuli

Research Projects

  • Aug. 2024 - Present
    Hybrid Land-Atmosphere Dynamics Model
    Computational Hydrology Lab, UofA
    • Physics-AI Hybrid Modeling
    • Developed a physics-AI hybrid model for land surface fluxes
    • Embedded feedforward neural networks to learn process equations for latent and sensible heat fluxes
    • Implemented in an end-to-end differentiable framework in JAX Python
  • Jun. 2025 - Present
    Graph Neural Networks for Meteorological Data
    Computational Hydrology Lab, UofA
    • Deep Learning for Spatial Data
    • Developed a novel graph neural network based method for interpolating station-based point meteorological data
  • Apr. 2023 - Aug. 2024
    Himalayan Hydrology Simulation Model (HimSim.jl)
    CWRS, IOE
    • Modeling and Package Development
    • Developed a process-based hydrological model with special focus on snow and glacier processes
    • Set-up model ODEs using ModelingToolkit.jl in the high-performance Julia language

Conferences

  • 2025
    AGU Annual Meeting 2025
    New Orleans, LA
    • A Hybrid Differentiable Land Surface Model for Improved Land-Atmosphere Flux Predictions (Oral Talk)

Skills

  • Programming
    • Python (JAX, PyTorch)
    • Julia (SciML packages)
    • R
    • MATLAB/GNU Octave
  • Research Software Engineering
    • Linux
    • Git/GitHub (CI/CD, Actions, RSE Best Practices)
  • Spatial Data Analysis
    • Xarray, Geopandas
    • GDAL/OGR, Leaflet
    • NetCDF, QGIS

Leadership Experience

  • 2026
    El Dia del Agua y la Atmosfera
    Tucson, Arizona
    • Co-Chair
  • 2018
    International Physics Olympiad (IPhO)
    Lisbon, Portugal
    • Student Team Leader

Honors and Awards

  • 2025
    • Travel Grant & Selected Participant, Project Pythia Cook-off, National Center for Atmospheric Research (NCAR), Boulder, CO
    • Travel Grant & Selected Participant, US-RSE INTERSECT Research Software Engineering Bootcamp, Princeton University
  • 2023
    • Best in Department: Senior Year, Highest grade in senior year / 1000+ students, Dept. of Civil Engg, IOE
  • 2018
    • IOE Four-Year Merit-Based Engineering Study Scholarship, Rank 100/15000+, Pulchowk Campus, IOE
    • Nepal Physics Olympiad (NePhO) Winner, Rank 1 / 10000+, Nepal Physical Society

Academic Interests

  • Land surface modeling
  • Scientific machine learning
  • Numerical methods
  • Differentiable modeling

Other Interests

  • Hobbies: Chess, Basketball, Movies, Fiction