Abstract. Autocalibration techniques have the potential to enhance efficiency and accuracy of intricate process-based hydrodynamic water quality models. In this study, we developed a new R-based autocalibration toolkit for Environmental Fluid Dynamics Code (EFDC) implemented it into recalibration Yuqiao Reservoir Water Quality Model (YRWQM), with long-term observations from 2006 2015, including...

A variety of data assimilation approaches have been applied to enhance modelling capability and accuracy using observations from different sources. The algorithms have varying degrees of complexity of implementation, and they improve model results with varying degrees of success. Very little work has been carried out on comparing the implementation of different data assimilation algorithms usin...

Concerns have increased regarding water quality deterioration in arid land water. Water age is a useful indicator of the susceptibility bodies to and helpful for knowing basic mechanisms governing transport materials through bodies. In current study, spatial distributions small lake Bosten Lake (hereinafter referred as lake) were investigated with two-dimensional hydrodynamic model built on bas...

Harmful algal blooms (HABs) caused by harmful cyanobacteria adversely impact the water quality in aquatic ecosystems and burden socioecological systems that are based on utilization. Currently, Korea uses Environmental Fluid Dynamics Code-National Institute of Research (EFDC-NIER) model to predict algae conditions respond through HAB alert system. This study aimed establish an additional deep l...

Ciénaga de Mallorquín is a coastal lagoon designated as a RAMSAR site due to its ecological regional and international importance. In this work, the environmental fluid dynamics code explorer modeling system was implemented to determine the spatio-temporal distribution of temperature, dissolved oxygen, chemical oxygen demand and nutrient levels, and assess the trophic status of Ciénaga de Mallo...