Transcript No Slide Title

Dr. Martin T. Auer
Professor of Civil & Environmental Engineering
Michigan Technological University
Houghton, Michigan 49931
Prepared for IAGLR 2001
Green Bay, Wisconsin
10
TP (µgP/L)
150
Quota (P, %POC)
8
120
6
90
60
4
30
2
0
0
20
40
60
80
100
120
0
0
20
40
60
80
100
120
0
120
Chl (µg/L)
Photic
5
100
10
80
15
60
Bottom
25
20
0
Aphotic
20
40
0
20
40
60
80
100
120
30
0
20
40
60
80
Distance from Fox River Mouth (km)
100
120
100
Summer Minimum
D.O. Sat. (%)
80
60
40
20
0
0
20
40
60
80
100
Distance (km)
120
0-1
1-2
2-3
>3
SOD (gO2• m-2• d-1)
3
6
0
Point Sources
35%
Non Point Sources
65%
Land
Use
Soil
Texture
Non Point Source
Model
TP
UALs
TP Load
Water Quality
Model
Trophic
State
Area
Soil Texture
Land Use

Land Use
Soil Texture
UAL
Lower Fox, River Lakes, and Lake Winnebago Watersheds
dP
V  = W - Q  P + E' ( P - Padj) - V  k  P
dt
Empirical Relations for Trophic State = ƒ (Total P)
LaSalle
The Griffon
Ray Canale
Tom Heidtke
Anita Barth Eye
Bob Gardiner
Mark Kieser
Larry Londo
Dennis Rosnowski
Bob Schuurmans
Auer, M.T. and R.P. Canale. 1986. Mathematical modeling of primary production in Green Bay (Lake
Michigan, USA): A phosphorus and light-limited system. Hydrobiological Bulletin, 20(2): 195-211.
Auer, M.T., Kieser, M.S., and R.P. Canale. 1986. Identification of critical nutrient levels through field
verification of models for phosphorus and phytoplankton growth. Canadian Journal of Fisheries and
Aquatic Sciences, 43(2): 379-388.
Canale, R.P. and M.T. Auer. 1987. Personal computers and environmental engineering. Environmental
Science and Technology, 21(10): 936-942.
Heidtke, T.M., Auer, M.T. and R.P. Canale. 1986. Microcomputer models and water quality: Access for
decision-makers. Journal of the Water Pollution Control Federation, 58(10): 960-966.
Funded by U.S. EPA MED, Duluth, Minnesota