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ModelsDYRESM
DYRESM is a one-dimensional hydrodynamics model for predicting the vertical distribution of temperature, salinity and density in lakes and reservoirs. It is assumed that the water bodies comply with the one-dimensional approximation in that the destabilising forcing variables (wind, surface cooling, and plunging inflows) do not act over prolonged periods of time. DYRESM has been used for simulation periods extending from weeks to decades. Thus the model provides a means of predicting seasonal and inter-annual variation in lakes and reservoirs, as well as sensitivity testing to long term changes in environmental factors or watershed properties.
DYRESM can be run either in isolation, for hydrodynamic studies, or coupled to CAEDYM for investigations involving biological and chemical processes. The computational demands of DYRESM are quite modest and multi-year simulations can be performed on PC platforms under Windows operating systems. The code is written in modular fashion to support future updates and improvements.
DYRESM and DYRESM-CAEDYM are presently being used in 59 countries around the world. It can be downloaded as freeware here.
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