Environmental & Climate

Article May 28, 2026

MOHID Water Modelling System: Integrated Coastal and Estuarine Simulation for Water Quality Assessment

MOHID is an open-source, three-dimensional water modelling system that tightly couples hydrodynamics, turbulence, sediment transport, and water quality modules within a single framework. This article covers MOHID's water quality module configuration, key biogeochemical kinetics parameterizations, MPI parallelization strategies, and a rigorous validation workflow for estuarine and coastal applications. Practical guidance is provided for practitioners transitioning from EFDC or Delft3D-WAQ.

By Jeff 44 views

Article May 26, 2026

TELEMAC-2D: Depth-Averaged Hydrodynamic Simulation for Coastal and Riverine Flood Modeling

TELEMAC-2D is a finite-element shallow-water solver that uses unstructured triangular meshes to simulate free-surface flows in rivers, estuaries, and coastal zones with high spatial adaptability. This article covers its governing equations, mesh generation best practices, turbulence closure options, boundary condition setup for storm surge modeling, and validation workflows for operational flood forecasting.

By Jeff 31 views

Article May 15, 2026

ROMS: Sediment Transport and Biogeochemical Coupling in Regional Ocean Modeling

The Regional Ocean Modeling System (ROMS) offers tightly integrated sediment transport (CSTMS) and biogeochemical (Fennel BGC) modules that enable two-way coupled coastal ocean simulations. This article examines how to configure and run ROMS with coupled sediment–BGC physics to simulate turbidity-driven light limitation, eutrophication, and seasonal hypoxia. Practical guidance covers input file setup, CPP flag selection, MPI parallelization, and validation against satellite and in-situ observations.

By Jeff 29 views

Article Mar 9, 2026

HYSPLIT: Lagrangian Particle Dispersion Modeling for Atmospheric Transport Analysis

Explore HYSPLIT, NOAA's hybrid Lagrangian-Eulerian atmospheric transport model for simulating pollutant dispersion, volcanic ash forecasting, and emergency response applications with advanced trajectory calculations and ensemble capabilities.

By Jeff 41 views

Article Mar 6, 2026

GEOS-Chem: Global 3-D Atmospheric Chemistry Modeling for Trace Gas Analysis

Explore GEOS-Chem, a sophisticated global 3-D chemical transport model for simulating atmospheric composition, trace gases, and aerosols with advanced inverse modeling capabilities and high-performance computing support.

By Jeff 32 views

Article Mar 2, 2026

CESM Ocean Component: Advanced Global Ocean Circulation Modeling for Climate Research

Explore the Parallel Ocean Program (POP2) within CESM, a sophisticated ocean modeling framework featuring z-level coordinates, advanced parameterizations, and tight coupling with Earth system components for climate research and ocean dynamics simulation.

By Jeff 29 views

Article Jan 23, 2026

SWAT+ Watershed Modeling: Advanced Hydrological Simulation for Climate Impact Assessment

Explore the Soil and Water Assessment Tool Plus (SWAT+), a next-generation watershed modeling system featuring enhanced landscape representation, climate change capabilities, and advanced water quality simulation for environmental research and water resource management.

By Jeff 26 views

Article Jan 16, 2026

CMAQ Air Quality Modeling: Advanced Photochemical Grid Simulation for Pollution Analysis

Explore the Community Multiscale Air Quality (CMAQ) modeling system, a comprehensive computational framework for simulating atmospheric chemistry, aerosol dynamics, and pollutant transport across multiple spatial scales for air quality forecasting and regulatory assessment.

By Jeff 31 views

Article Dec 15, 2025

WRF Model: Advanced Numerical Weather Prediction for Climate Research

Explore the Weather Research and Forecasting (WRF) model, a sophisticated mesoscale numerical weather prediction system used for atmospheric simulations, climate downscaling, and operational forecasting with advanced data assimilation capabilities.

By Jeff 33 views

Article Nov 27, 2025

OpenFOAM: Open-Source Computational Fluid Dynamics for Environmental Modeling

This article explores the application of OpenFOAM for environmental and climate simulations, covering atmospheric modeling, pollution dispersion, and computational fluid dynamics approaches for understanding climate phenomena.

By Jeff 36 views