Numerical simulation of the influence of a Red River flood on circulation and contaminant dispersion in Lake Winnipeg |
| |
| Authors: | Yerubandi R Rao Jun Zhao |
| |
| Institution: | (1) Water Science and Technology Directorate, Environment Canada, NWRI, Canada Centre for Inland Waters, 867 Lakeshore Road, Burlington, ON, L7R 4A6, Canada |
| |
| Abstract: | The Red River valley experienced one of the worst floods in 1997 because of above average snow accumulation, a blizzard during
the snowmelt period and high soil moisture conditions. A three-dimensional hydrodynamic modeling system is used to study the
impact of the flood on the circulation and contaminant dispersion in Lake Winnipeg. To assess the model performance, we first
simulate the circulation and temperature distribution of the lake in 2007 and compare the model results with the observations
made in the lake during this period. The model showed considerable skill in reproducing the thermal structure, currents and
water levels. The accuracy of these simulations suggests that the model is capable of describing flow and transport of material
required for detailed water quality simulations during the flood. During the flood event, Red River plume movement is primarily
controlled by the wind-driven currents. The winds from the north confined the plume to a small area near the river mouth. |
| |
| Keywords: | |
| 本文献已被 SpringerLink 等数据库收录！ |
|
