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Water Science & Technology Vol 51 No 8 pp 5–12 © IWA Publishing 2005

Recent developments in lake modelling

S.E. Jørgensen

DFU, University Park 2, 2100 Copenhagen Ø, Denmark


ABSTRACT
The radical variability of ecosystems such as lakes when reacting to prevailing conditions has in many situations found traditional modelling too inflexible. The introduction of eco-exergy, a measure of a system's distance from thermodynamic equilibrium, has enabled models to deal with ecosystems that can show major structural changes resulting from adaptation and shifts in species composition. Keywords Eco-exergy; exergy; lake; modelling; structurally dynamic; thermodynamics

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