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An example of a hybrid model is coupling a hydrological model with a machine learning algorithm to improve flood prediction accuracy. Hybrid models may also incorporate physical processes into the structure of the machine learning models. [1] Flood forecasting can be mathematically represented as: = (,,,) where: is the flood forecast at time ,
HEPEX is an international initiative bringing together hydrologists, meteorologists, researchers and endusers to develop advanced probabilistic hydrological forecast techniques for improved flood, drought and water management. HEPEX was launched in 2004 as an independent, cooperative international scientific activity.
A hydrologic model is a simplification of a real-world system (e.g., surface water, soil water, wetland, groundwater, estuary) that aids in understanding, predicting, and managing water resources. Both the flow and quality of water are commonly studied using hydrologic models.
3D view. HEC-RAS is simulation software used in computational fluid dynamics – specifically, to model the hydraulics of water flow through natural rivers and other channels.. The program was developed by the United States Army Corps of Engineers in order to manage the rivers, harbors, and other public works under their jurisdiction; it has found wide acceptance by many others since its ...
Vflo is suited for distributed hydrologic forecasting in post-analysis and continuous operations. Vflo models may be calibrated by loading precipitation maps for historical events and comparing simulated volume/peak hydrographs to observed hydrographs. Elevation data are taken from a digital elevation model. A vector channel representation is ...
The software incorporates a user interface for building, running and viewing the results of models, including a GIS map interface. The software has been independently benchmarked [1] by the Environment Agency and is used extensively [2] to undertake modelling of flood risk, [3] develop flood risk management schemes and provide flood forecasting ...
The main aim of CHyM is to provide a general purpose tool for flood alert mapping and hydrological risk management; characteristics of the model also allow to carry out long term simulation to investigate possible changes in hydrological cycle induced by climatic change. CHyM can assimilate different sets of precipitation data merging them in a ...
The GSSHA model [3] [4] [5] was derived from the CASC2D hydrologic model. [6] [7] GSSHA represents a significant improvement on CASC2D in terms of capabilities, options, and numerical procedures. GSSHA includes dynamic time-stepping depending on stability criteria, different time steps for different numerical processes, and the ability to run ...