Dr. Martin T. AuerMTU Department of Civil & Environmental Engineering

CE5504Surface Water Quality

ModelingLab 6. One-Dimensional Models

Horizontal Mass Transportin Green Bay, Lake Michigan

8Onondaga Lake, NY

Completely Mixed Lake

8 8

SaginawBay

LakeHuron

Horizontal Resolution: Saginaw Bay and Lake Huron

Horizontal Resolution: Lake Minnetonka

Horizontal Resolution: Green Bay

Advection and Diffusion

two types

Scale of Horizontal Diffusion

11 2 1' ( )dC

V E C Cdt

' cE AE

l

Horizontal Mass Transport

M.W. Harrington, 1895, US Department of Agriculture, Weather Bureau Bulletin.

Lake Superior Currents

M.W. Harrington, 1895, US Department of Agriculture, Weather Bureau Bulletin.

Rubber Duckies

Green Bay - Morphometry

Green Bay – Water Quality

1 2 3 4 5 6 7 8 9 10

11 12

Cell i

' '1 1 1, 1 1, 1

'

ii i i i i i i i i i i i i i

dCV W Q C Q C E C C E C Cdt

E AE

L

Green Bay – Modeling