9 Water - LIVING WITH THE EARTH WATER and WASTEWATER Moore 1 Ob Objectives for this Chapter Ch A student reading this chapter will be able to 1

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LIVING WITH THE EARTH WATER and WASTEWATER - Moore 1
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Objectives for this Chapter A student reading this chapter will be able to: 1. List and describe the different stages of the d l i l l dt h lt i t f hydrological cycle and the relative amounts of freshwater on the planet. List the three main consumers of water 2. List the three main consumers of water, noting each consumer’s major use of water. WATER and WASTEWATER - Moore 2
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Objectives for this Chapter A student reading this chapter will be able : to: 3.Discuss water scarcity, pointing out the areas f the world at risk of water shortage and of the world at risk of water shortage and potential associated conflict. Describe some methods of water management. 4. List and describe several sources of freshwater, and describe the types of wells used WATER and WASTEWATER - Moore 3 to pump groundwater.
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Objectives for this Chapter A student reading this chapter will be able : to: 5. Describe groundwater formation, including a iscussion of contamination, recharge, water discussion of contamination, recharge, water mining, fossil water and some problems associated with overuse. 6.List the various sources and types of pollution threatening water supplies, noting the WATER and WASTEWATER - Moore 4 difference between point and nonpoint sources.
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Objectives for this Chapter A student reading this chapter will be able : to: 7. Briefly outline the Clean Water Act and the afe Drinking Water Act, explaining the Safe Drinking Water Act, explaining the purpose of each. 8.Describe the process and purpose of wastewater treatment. List the components of a septic system, and the components of a typical WATER and WASTEWATER - Moore 5 wastewater treatment plant. Define and describe BOD and sag curve.
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WATER and WASTEWATER Introduction ater is cheap accessible plentiful and Water is cheap, accessible, plentiful, and relatively safe to drink. ifferences in beliefs about the importance of Differences in beliefs about the importance of water quality, water scarcity, and water use can cause conflict and hinder a joint effort to protect the world’s water supplies. WATER and WASTEWATER - Moore 6
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The Properties of Water Water is a unique compound (Fig. 9-1) ater exerts a major influence on the earth’s Water exerts a major influence on the earth s environments. Water carries partial negative charge and partial positive charge, and easily dissolves most polar molecules. It is critical to life. Water exists as a solid, a liquid, and a vapor. Water is essential in maintaining temperature of planet. WATER and WASTEWATER - Moore 7
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Fig. 9-1 WATER and WASTEWATER - Moore 8
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The hydrological cycle is a process involving the sun, the atmosphere, the earth and water (Fig. 9-2). This cycle consists of evaporation,
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This note was uploaded on 07/15/2011 for the course PHC 6357 taught by Professor Mlynarek,s during the Summer '08 term at University of South Florida - Tampa.

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9 Water - LIVING WITH THE EARTH WATER and WASTEWATER Moore 1 Ob Objectives for this Chapter Ch A student reading this chapter will be able to 1

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