dereth glance, ijc
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The International Joint Commission
More than a century of cooperation protecting shared waters.
Commissioner Dereth Glance Chicago Great Lakes Water Quality Agreement Seminar/Webinar
January 23, 2013
Manistique Harbor, (Brian Callahan, Luxgnos Photography)
Low Water Levels
More than a century of cooperation protecting shared waters 2
Hydrological Components of GLs Water Supplies
More than a century of cooperation protecting shared waters 3
Michigan-Huron & Lake Ontario Levels
More than a century of cooperation protecting shared waters 4
Adaptive Management
“He stood there like a house by the side of the road.”
More than a century of cooperation protecting shared waters 5
IJC Great Lakes Priorities 2012-2015
More than a century of cooperation protecting shared waters 6
Indicators: Ice Cover Decline
More than a century of cooperation protecting shared waters 7
Seasonal average ice cover declined by 88 percent on Lake Ontario.
Indicators: PCBs in Great Lakes Trout
PC
B co
ncen
tratio
n (p
pb o
r ng/
g)
0
5000
10000
15000
20000
1970 1980 1990 2000 2010
MichiganSuperiorHuronErieOntario
More than a century of cooperation protecting shared waters
For more information, visit:
More than a century of cooperation protecting shared waters 9
www.ijc.org