|
|
References for Great Lakes Statistics
Sources of Information and Basis for Calculation
Water Volume of the Great Lakes
Reference: |
1 |
2 |
3 |
4 |
Average |
Lake |
Volume (km3) |
Superior |
12,100 |
12,230 |
11,600 |
12,088 |
12,004 |
Michigan |
4,920 |
4,920 |
4,680 |
4,918 |
4,860 |
Huron |
3,540 |
3,537 |
3,580 |
3,543 |
3,550 |
Erie |
484 |
483 |
545 |
484 |
499 |
Ontario |
1,640 |
1,637 |
1,710 |
1,638 |
1,656 |
Lake St. Clair |
n/a |
n/a |
n/a |
4 |
4 |
Totals: |
22,684 |
22,807 |
22,115 |
22,675 |
22,573 |
References:
-
Coordinated
Great Lakes Physical Data. Coordinating Committee on Great Lakes Basic
Hydraulic and Hydrologic Data. Chicago, IL and Cornwall, ON. p. 9.
(1977).
-
Large Lakes Ecological Structure and Function. Max M. Tilzer and
Colette Serruya, eds. Springer-Verlag. Berlin-Heidelberg, p 26
(1990)
[Derived from Inventory of the Morphometric and Limnological
Characteristics of the Large Lakes of the World. Charles E.
Herdendorf, The Ohio State University. Technical Bulletin
OHSU-TB-17, Sea Grant Program. March 1984. p. 67.]
-
Atlas of World Water Balance (Explanatory Text). USSR National
Committee for the International Hydrological Decade, Leningrad, p
32.(1977)
-
The Water Encyclopedia, 2nd Edition. F. van der Leeden, F.L.
Troise and D.K. Todd. Lewis Publishers, USA. p. 188. (1990)
Fresh Surface Water Volume of the World
Reference: |
1 |
2 |
3 |
4 |
Average |
|
Volume (km3) |
Freshwater Lakes |
86,499 |
125,000 |
91,000 |
100,000 |
100,625 |
Rivers |
2,115 |
1,250 |
2,120 |
1,700 |
1,796 |
Reservoirs |
4,286 |
n/a |
n/a |
n/a |
4,286 |
Totals |
92,900 |
126,250 |
93,120 |
101,700 |
106,707 |
References:
- WCMC Biodiversity Series No. 8.
Freshwater Biodiversity: a preliminary global assessment.
UNEP-WCMC. (From Annon. USSR Committee for the International
Hydrological Decade. 1978).
(http://www.unep-wcmc.org/index.html?http://www.unep-wcmc.org/information_services/publications/freshwater/1.htm~main).
- Water in Crisis, A Guide to the
World's Fresh Water Resources. Peter H. Gleick Ed. Pacific
Institute for Studies in Development, Environment, and Security.
Stockholm Environmental Institute. Oxford University Press. 1993.
p. 120.['Nace 1967 cited in Reference 2. p. 120.]
- UNESCO 1974 cited in Reference 2.
p. 120.
- WRI 1988 cited in Reference 2. p.
120.
Fresh Surface Water Volume of North America
Waterbody Type |
Volume (km3)1 |
Lakes |
25,600 |
Rivers |
250 |
Reservoirs |
950 |
Total: |
26,800 |
Reference:
- WCMC Biodiversity Series No. 8.
Freshwater Biodiversity: a preliminary global assessment.
UNEP-WCMC. (From Annon. USSR Committee for the International
Hydrological Decade. 1978).
(http://www.unep-wcmc.org/index.html?http://www.unep-wcmc.org/information_services/publications/freshwater/1.htm~main).
Data also cited in World Water Balance and Water Resources of the
Earth. USSR Committee for the International Hydrological Decade.
UNESCO. p. 349.
Calculations
Great Lakes compared to World Fresh Surface Water =
(22,573
km3 X 100) /
106,707 km3 = 21 percent |
Great Lakes compared to North America Fresh Surface Water =
(22,573
km3 X 100) /
26,800 km3 = 84 percent |
Populations by Lake Basin1
|
Lake |
Superior |
Michigan |
Huron |
Erie |
Ontario |
Total |
United States (1990) |
425,548 |
10,057,026 |
1,502,687 |
10,017,530 |
2,704,284 |
24,707,075 |
Canada (1991) |
181,573 |
n/a |
1,191,467 |
1,664,639 |
5,446,611 |
8,484,290 |
United States and Canada Populations2,3
United States |
248,709,873 |
Canada |
27,296,859 |
References:
- The Great Lakes - An Environmental Atlas and Resource Book,
United States Environmental Protection Agency and Government of
Canada, Third Edition, 1995.
- U.S. Census 1990 Lookup Database C90STF3C1, Level: Nation.
- Statistics Canada, Population and Dwelling Counts for Canada,
Provinces and Territories, 1991 and 1996 Censuses - 100% Data.
Calculations
Great Lakes United States population
(24,707,075 X 100) / 248,709,873 = 10 percent of
population of United States |
Great Lakes Canadian population
(8,484,290 X 100) / 27,296,859 = 31 percent of population
of Canada |
|