Numerical modeling
Numerical hydrological and atmospheric simulations, such as floods and extreme precipitation.
11 people · 6 thesis topics · 12 articles · 14 news stories
People
Joaquín Meza
Eng. MSc, PhD in Civil and Environmental Engineering, University of California, Davis, USA
Miguel Lagos
Eng. MSc, PhD in Civil Engineering, Universidad de Chile
Álvaro Ossandón
Eng. MSc, PhD in Civil Engineering, University of Colorado at Boulder, USA
Isaias Orellana
Topic: Predicción de meteotsunamis con modelo de base física WRF en las costas de la región de Valparaíso y alrededores
Advisor: Joaquín Meza
MSc in Civil Engineering Sciences
Rose Chavarría
Topic: RHEOpy: Módulo reológico para la simulación de fluidos no newtonianos
Advisor: Joaquín Meza, Danilo Kusanovic (UC Davis), Rodrigo Meneses (UV)
MSc in Civil Engineering Sciences
Diego Parra
Topic: Modelación horaria de crecidas en cuencas chilenas: evaluación comparativa de modelos hidrológicos y funciones objetivo
Advisor: Álvaro Ossandón, Joaquín Meza
MSc in Civil Engineering Sciences · Graduated
Gonzalo Bustos
Topic: Modelación de acuíferos confinados con elementos finitos estocásticos: Enfrentando la incertidumbre en la conductividad hidráulica y recarga
Advisor: Joaquín Meza, Rodrigo Meneses (UV)
MSc in Civil Engineering Sciences
Juan Andrés Fuenzalida
Topic: SWEpy: An Open-Source Finite Volume Solver for the Shallow Water Equations
Advisor: Joaquín Meza, Danilo Kusanovic (UC Davis)
MSc in Civil Engineering Sciences · Graduated
Matías Belmar
Topic: Análisis de trayectorias de tormentas extremas mediante modelo HYSPLIT, para eventos dentro de Chile continental
Advisor: Álvaro Ossandón
Civil Engineering · Graduated
Matías Riveros
Topic: Modelo hidrológico distribuido de base física en Python con capacidad de ruteo para cuencas nivoglaciares
Advisor: Álvaro Ossandón
Civil Engineering · Graduated
Diego Flores
Topic: Metodología para predicción de caudales medios diarios utilizando un modelo hidrológico de derretimiento de nieve, y transformación de derretimiento en escorrentía aplicado en la cuenca del río Juncal
Advisor: Álvaro Ossandón
Civil Engineering · Graduated
Thesis topics
Physical modeling of meteotsunamis on the coast of Chile
- Numerical modeling
- Hydrological monitoring and forecasting
- Extreme event analysis
Extending SWEpy to spherical coordinates for far-field tsunami simulations
- Numerical modeling
- Hydrological monitoring and forecasting
- Extreme event analysis
- Surface hydrology
Climate change effects on probable maximum precipitation (PMP) using the WRF model
- Climate change
- Numerical modeling
- Hydrological monitoring and forecasting
- Extreme event analysis
- Surface hydrology
Estimating the probable maximum flood (PMF) in Andean basins by combining atmospheric and surface runoff models
- Climate change
- Numerical modeling
- Extreme event analysis
- Surface hydrology
Estimating river discharge from drone imagery
- Climate change
- Numerical modeling
- Hydrological monitoring and forecasting
- Extreme event analysis
- Surface hydrology
Speeding up flood forecasts with GPU snow energy balance models
- Climate change
- Numerical modeling
- Hydrological monitoring and forecasting
- Extreme event analysis
- Surface hydrology
Articles
2026
- Samba Siva Sai Prasad Thota; Balaji Rajagopalan; Imtiaz Rangwala; Álvaro OssandónWater Resources Researchdoi:10.1029/2025wr041467 (opens in a new tab)
- Juan Fuenzalida; Danilo Kusanovic; Joaquín Meza; Rodrigo Meneses and Patricio CatalanGeoscientific Model Developmentdoi:10.5194/gmd-19-3953-2026 (opens in a new tab)
2025
- Changhai Liu; Kyoko Ikeda; Andreas Prein; Lucia Scaff; Francina Dominguez; Roy Rasmussen; Yongjie Huang; Jimy Dudhia; Wei Wang; Fei Chen; …; Miguel Lagos-Zúñiga; et al.Atmospheric Researchdoi:10.1016/j.atmosres.2025.107936 (opens in a new tab)
- Yusuke Hiraga and Joaquin MezaJournal of Hydrology: Regional Studiesdoi:10.1016/j.ejrh.2025.102274 (opens in a new tab)
- Joaquin Meza and Levent KavvasJournal of Hydrologydoi:10.1016/j.jhydrol.2025.132689 (opens in a new tab)
- Yusuke Hiraga; Ryotaro Tahara and Joaquin MezaJournal of Hydrologydoi:10.1016/j.jhydrol.2024.132659 (opens in a new tab)
2024
- Miguel Lagos-Zúñiga; Rocío Balmaceda-Huarte; Pedro Regoto; Limbert Torrez; Matías Olmo; André Lyra; David Pareja-Quispe; María Laura BettolliClimate Dynamicsdoi:10.1007/s00382-022-06598-2 (opens in a new tab)
- Francina Dominguez; Roy Rasmussen; Changhai Liu; Kyoko Ikeda; Andreas Prein; Adam Varble; Paola A. Arias; Julio Bacmeister; Maria Laura Bettolli; Patrick Callaghan; …; Miguel Lagos-Zúñiga; et al.Bulletin of the American Meteorological Societydoi:10.1175/bams-d-22-0226.1 (opens in a new tab)
2023
- Natália Machado Crespo; Michelle Simões Reboita; Luiz Felippe Gozzo; Eduardo Marcos de Jesus; José Abraham Torres-Alavez; Miguel Lagos-Zúñiga; Limbert Torrez-Rodriguez; Marco Reale; Rosmeri Porfírio da RochaClimate Dynamicsdoi:10.1007/s00382-022-06419-6 (opens in a new tab)
2022
- Álvaro Ossandón; Nanditha J. S.; Pablo A. Mendoza; Balaji Rajagopalan; Vimal MishraJournal of Hydrometeorologydoi:10.1175/jhm-d-21-0167.1 (opens in a new tab)
- Álvaro Ossandón; Manuela I. Brunner; Balaji Rajagopalan; William KleiberHydrology and Earth System Sciencesdoi:10.5194/hess-26-149-2022 (opens in a new tab)
2021
- Gerardo Zegers; Leonardo Navarro-Valdivia; Miguel Lagos-Zúñiga; Alvaro Navarrete-Calvo; Manuel A. Caraballo; Yarko Niño; James McPhee; Santiago MontserratJournal of Hydrologydoi:10.1016/j.jhydrol.2021.126718 (opens in a new tab)
News
Double degree: Diego Parra Vargas
Thesis on hourly flood modeling in Chilean basins. Advisor: Álvaro Ossandón.
From droughts to floods: challenges and opportunities in studying transitions between hydrological extremes
Talk by Eduardo Muñoz Castro, civil engineer and doctoral researcher in hydrology, water resources and climate change.
Double degree: Felipe Saavedra Muñoz
Thesis on the WRF model and atmospheric rivers in central Chile. Advisor: Joaquín Meza.
Megadrought and intense rain: how to anticipate floods
Chile faces a megadrought and ever more intense rainfall. Anticipating the storms takes better monitoring, models and forecasting.
Diploma in flood hazard modeling: all spots taken
All spots in the diploma in flood hazard modeling and assessment have been filled.
Diploma in Flood Hazard Modeling and Assessment under Climate Change
A program for modeling, assessing and managing flood hazards under climate change.
Students study the water supply of Robinson Crusoe Island under climate change
The results show lower water availability, which makes it harder for the island and its residents to adapt to climate change.
Graduation: Matías Belmar
Thesis on extreme storm trajectories with the HYSPLIT model. Advisor: Álvaro Ossandón.
Graduation: Matías Riveros
Thesis on a distributed hydrological model in Python for snow- and glacier-fed basins. Advisor: Álvaro Ossandón.