Credits

Core Development

Diogo Costa – Lead developer, framework design, and implementation (University of Saskatchewan / University of Evora)

Contributing Organizations

University of Evora (ue-hydro) – Current development home
University of Saskatchewan – Original development and testing
Environment and Climate Change Canada (ECCC) – Research support and foundational model development

Predecessor Models

OpenWQ builds upon experience and code from several predecessor models:

CRHM-WQ – Cold Regions Hydrological Model - Water Quality
WINTRA – Winter nutrient transport framework
PULSE – Multiphase multilayer snow hydrochemistry model
FLUXOS – Watershed hydrodynamic-water quality model

Third-Party Libraries

OpenWQ gratefully uses the following open-source libraries:

Armadillo – C++ linear algebra library (Sanderson and Curtin, 2016)
ExprTk – C++ Mathematical Expression Toolkit (Arash Partow)
PHREEQC / PhreeqcRM – Geochemical reaction module (USGS)
SUNDIALS – Suite of Nonlinear and Differential/Algebraic Equation Solvers (LLNL)
HDF5 – Hierarchical Data Format library
VTK – Visualization Toolkit

License

OpenWQ is distributed under the GNU General Public License v3.0 (GPL-3.0). See the License section for details.