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Average: 77.6 Hourly 3 Range: 30 -97. Water ManagementChapter 16 Name: eee105 Password: prAIRie.

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Presentation on theme: "Average: 77.6 Hourly 3 Range: 30 -97. Water ManagementChapter 16 Name: eee105 Password: prAIRie."— Presentation transcript:

1 Average: 77.6 Hourly 3 Range: 30 -97

2 Water ManagementChapter 16 http://www.life.uiuc.edu/animalbiology/105/ Name: eee105 Password: prAIRie

3

4 Human effects on the hydrological cycle Increased evaporation cooling

5 Human effects on the hydrological cycle Increased evaporation cooling irrigation

6 Human effects on the hydrological cycle Increased evaporation Increased runoff deforestation

7 Human effects on the hydrological cycle Increased evaporation Increased runoff deforestation pavement

8 Human effects on the hydrological cycle Increased evaporation Increased runoff deforestation pavement sewers

9 Human effects on the hydrological cycle Increased evaporation Increased runoff Water usage

10 domestic industry agriculture How water is used

11 Water usage Agricultural Water Use Irrigation is the major consumptive use of water in most parts of world Cost of water is a limiting factor on agriculture

12 Water usage Industrial Water Use, and 23% worldwide, and is returned to the source. Accounts for nearly 50% of all water withdrawal in US 90% of water used by industry is for cooling

13 Water usage Industrial Water Use, and 23% worldwide, and is returned to the source. Accounts for nearly 50% of all water withdrawal in US 90% of water used by industry is for cooling Water used to dissipate and transport waste -- stream and lake degradation

14 Water usage

15 Domestic Water Use 70% used as solvent to carry wastes 30% used for lawn and garden very small fraction used for drinking must be treated before release Natural processes cannot cope with highly concentrated urban wastes Average person in NA home uses approximately 100 gallons of water per day

16 Ecology of freshwaters Lakes, rivers, and streams Limnology Lakes are born by catastrophe age, and quietly die

17 Origins of Lakes Kettle lakes

18 glacier Origins of Lakes

19 Kettle lakes glacier Origins of Lakes

20 Kettle lakes glacier Origins of Lakes

21 Kettle lakes glacier Origins of Lakes

22 Glacial scouring Origins of Lakes

23 Tectonic origins Origins of Lakes

24 Tectonic origins Origins of Lakes e.g. Lake Baikal

25 Tectonic origins Origins of Lakes e.g. Lake Baikal

26 Volcanic origins 4,000 feet deep Crater Lake, OR Origins of Lakes

27 Reelfoot Lake, TN Origins of Lakes Earthquake

28 New Madrid quakes Origins of Lakes Reelfoot Lake, TN

29 siltation detritus sedimentation emergent vegetation wetland Aging of Lakes

30 Limnology Extinct lakes Lake Agassiz


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