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General Information
| Full Name | Nabin Kalauni |
| Location | Tucson, AZ |
| nkalauni@arizona.edu | |
| Languages | English, Nepali |
Education
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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
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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
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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
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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
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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
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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
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2023 A Guide to Nepal Physics Olympiad
Open Source Book - Authors: Laxman Bista, Nabin Kalauni, Sandesh Parajuli
Research Projects
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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
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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
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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
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2025 AGU Annual Meeting 2025
New Orleans, LA - A Hybrid Differentiable Land Surface Model for Improved Land-Atmosphere Flux Predictions (Oral Talk)
Skills
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Programming
- Python (JAX, PyTorch)
- Julia (SciML packages)
- R
- MATLAB/GNU Octave
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Research Software Engineering
- Linux
- Git/GitHub (CI/CD, Actions, RSE Best Practices)
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Spatial Data Analysis
- Xarray, Geopandas
- GDAL/OGR, Leaflet
- NetCDF, QGIS
Leadership Experience
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2026 El Dia del Agua y la Atmosfera
Tucson, Arizona - Co-Chair
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2018 International Physics Olympiad (IPhO)
Lisbon, Portugal - Student Team Leader
Honors and Awards
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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
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2023 - Best in Department: Senior Year, Highest grade in senior year / 1000+ students, Dept. of Civil Engg, IOE
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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
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Land surface modeling
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Scientific machine learning
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Numerical methods
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Differentiable modeling
Other Interests
- Hobbies: Chess, Basketball, Movies, Fiction