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Research

Numerical Modeling

Hydrological and atmospheric simulations focused on water resources management.

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Faculty

Joaquín Meza

Assistant Professor

Eng. MSc, PhD in Civil and Environmental Engineering, University of California, Davis, USA

Miguel Lagos

Assistant Professor

Eng. MSc, PhD en Ingeniería Civil, Universidad de Chile

Álvaro Ossandón

Assistant Professor

Eng. MSc, PhD in Civil Engineering, University of Colorado at Boulder, USA

Students and alumni

Articles

2026

  1. Semi-Bayesian Space-Time Hierarchical Framework for Modeling and Prediction of Seasonal and Extreme Precipitation in the U.S. Northern Great Plains
    Samba Siva Sai Prasad Thota; Balaji Rajagopalan; Imtiaz Rangwala; Álvaro Ossandón
    Water Resources Researchdoi:10.1029/2025wr041467 (se abre en otra pestaña)
  2. SWEpy: An Open-Source GPU-Accelerated Solver for Near-Field Inundation and Far-Field Tsunami Modeling
    Juan Fuenzalida; Danilo Kusanovic; Joaquín Meza; Rodrigo Meneses y Patricio Catalan
    Geoscientific Model Developmentdoi:10.5194/gmd-19-3953-2026 (se abre en otra pestaña)

2025

  1. Convection-permitting climate simulations over South America: Experimentation during different phases of ENSO
    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 (se abre en otra pestaña)
  2. Extreme precipitation modeling and Probable Maximum Precipitation (PMP) estimation in Chile
    Yusuke Hiraga y Joaquin Meza
    Journal of Hydrology: Regional Studiesdoi:10.1016/j.ejrh.2025.102274 (se abre en otra pestaña)
  3. Ensemble modeling of the two-dimensional stochastic confined groundwater flow through the evolution of the hydraulic head's probability density function
    Joaquin Meza y Levent Kavvas
    Journal of Hydrologydoi:10.1016/j.jhydrol.2025.132689 (se abre en otra pestaña)
  4. A methodology to estimate Probable Maximum Precipitation (PMP) under Climate Change using a Numerical Weather Model
    Yusuke Hiraga; Ryotaro Tahara y Joaquin Meza
    Journal of Hydrologydoi:10.1016/j.jhydrol.2024.132659 (se abre en otra pestaña)

2024

  1. Extreme indices of temperature and precipitation in South America: trends and intercomparison of regional climate models
    Miguel Lagos-Zúñiga; Rocío Balmaceda-Huarte; Pedro Regoto; Limbert Torrez; Matías Olmo; André Lyra; David Pareja-Quispe; María Laura Bettolli
    Climate Dynamicsdoi:10.1007/s00382-022-06598-2 (se abre en otra pestaña)
  2. Advancing South American Water and Climate Science through Multidecadal Convection-Permitting Modeling
    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 (se abre en otra pestaña)

2023

  1. Assessment of the RegCM4-CORDEX-CORE performance in simulating cyclones affecting the western coast of South America
    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 Rocha
    Climate Dynamicsdoi:10.1007/s00382-022-06419-6 (se abre en otra pestaña)

2022

  1. A Bayesian Hierarchical Framework for Postprocessing Daily Streamflow Simulations across a River Network
    Álvaro Ossandón; Nanditha J. S.; Pablo A. Mendoza; Balaji Rajagopalan; Vimal Mishra
    Journal of Hydrometeorologydoi:10.1175/jhm-d-21-0167.1 (se abre en otra pestaña)
  2. A space–time Bayesian hierarchical modeling framework for projection of seasonal maximum streamflow
    Álvaro Ossandón; Manuela I. Brunner; Balaji Rajagopalan; William Kleiber
    Hydrology and Earth System Sciencesdoi:10.5194/hess-26-149-2022 (se abre en otra pestaña)

2021

  1. An integrated modeling approach for mineral and metal transport in acidic rivers at high mountainous porphyry Cu systems
    Gerardo Zegers; Leonardo Navarro-Valdivia; Miguel Lagos-Zúñiga; Alvaro Navarrete-Calvo; Manuel A. Caraballo; Yarko Niño; James McPhee; Santiago Montserrat
    Journal of Hydrologydoi:10.1016/j.jhydrol.2021.126718 (se abre en otra pestaña)