Lake Burragorang...
provides drinking water for the city of Sydney, Australia. I was involved in some of the 3D modeling of the reservoir funded by Sydney Water. This modeling was in progress when an unusual winter storm in 1998 rapidly flushed the catchment and led to detection of cryptosporidium at the dam offtake.
References
•Anohin, V. V., J. Imberger, J. R. Romero and G. N. Ivey (2006). "Effect of Long Internal Waves on the Quality of Water Withdrawn From a Stratified Reservoir." Journal of Hydraulic Engineering-Asce 132(11): 1134-1145.Bonnet, M. P. and K. Wessen (2001). "ELMO, a 3-D water quality model for nutrients and chlorophyll: first application on a lacustrine ecosystem." Ecological Modelling 141(1-3): 19-33.
•Casulli, V. and R. T. Cheng (1992). "Semi-Implicit Finite-Difference Methods for 3-Dimensional Shallow-Water Flow." International Journal for Numerical Methods in Fluids 15(6): 629-648.
•Leonard, B. P. (1991). "The Ultimate Conservative Difference Scheme Applied to Unsteady One-Dimensional Advection." Computer Methods in Applied Mechanics and Engineering 88(1): 17-74.
•Romero, J. R., J. P. Antenucci and J. Imberger (2004). "One- and Three-Dimensional Biogeochemical Simulations of Two Differing Reservoirs." Ecological Modelling 174(1-2): 143-160.
•Romero, J. R. and J. Imberger (2003). "Effect of a Flood Underflow on Reservoir Water Quality: Data and Three-Dimensional Modeling." Archiv Fur Hydrobiologie 157(1): 1-25.
Thus, the simple “uniform mixed reactor” picture of winter lake conditions can be dramatically wrong!
