Simulating the thermal dynamics of Lake Kinneret

G. Gal, Jorg Imberger, T. Zohary, Jason Antenucci, A. Anis, T. Rosenberg

Research output: Contribution to journalArticlepeer-review

96 Citations (Scopus)


In this study, we use the one-dimensional hydrodynamic model DYRESM to simulate the Lake Kinneret thermal structure over a period of 45 months. We focus on the application of a new version of the one-dimensional hydrodynamic model to Lake Kinneret and simulation of the physical processes. DYRESM is calibration-free process-based model that simulates the vertical distribution of temperature and salinity in lakes and reservoirs. The current model is a complete rewrite of the original DYRESM code. Each algorithm was simplified to the essential minimum physical description yielding a more robust and faster model. The new model underwent validation with a high quality dataset from Lake Kinneret. The model simulation reproduced the temperature of the surface layer of the water column to within less than I degreesC. Results of a sensitivity analysis indicated that the surface and bottom water temperatures were most sensitive to changes in long-wave radiation. We conclude from the results that the simplified version of DYRESM accurately simulated the physical processes in the lake although planned inclusion of a benthic boundary-layer routine will improve the model's ability to simulate the bottom temperatures. (C) 2002 Elsevier Science B.V. All rights reserved.
Original languageEnglish
Pages (from-to)69-86 2003
JournalEcological Modelling
Issue number1-2
Publication statusPublished - 2003


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