Chicago's 63rd Street Beach, an embayed beach that had the highest mean E. coli
concentration among 23 similar Lake Michigan beaches during summer months of 2000–
2005, in order to find the cause for the high bacterial contamination. The numerical model
was based on the transport of E. coli by current circulation patterns in the embayment driven
by longshore main currents and the loss of E. coli in the water column, taking settling as well …