Study Guide Exam 4

Study Guide Exam 4 - Chapter 10 1. Which is the longest...

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Chapter 10 1. Which is the longest river in the US; what are some benefits and drawbacks for people along this river? The Mississippi. Irrigation, electrical power, and individual water consumption, cargo shipment, fishing and tourism. Water rights, and flooding. 2. Human bodies are composed of how much water? 60% 3. How much of planet’s water is fresh water; how much is salt? 3%, 97% 4. What is surface water? What is groundwater? What is an aquifer? What is a watershed or drainage basin? What is a floodplain? What is saltwater intrusion? Surface Water- precipitation that remains on the surface of the land and does not seep down through soil. Groundwater – The supply of fresh water under Earth’s surface that is stored in underground aquifers. Aquifers – are underground reservoirs in which groundwater is stored. Watershed or Drainage Basin – is the area of land drained by a single river or stream. Flood Plain – is the area bordering a river channel that has the potential to flood. Saltwater Intrusion – The movement of seawater into a freshwater aquifer near the coast. 5. Where is the Ogallala Aquifer? What is the main environmental issue associated with the aquifer? The largest groundwater deposit in the world, at the great plains. Rapid depletion of the water. 6. Global Water Issues (p.243-244) What are some of the issues and places discussed in this section? India 17% of worlds population 4% worlds fresh water, Mexico City depletion of ground water, water table sinking, China yellow river water is being diverted. Aral sea in soviet union shrinking. 7. what is sustainable water use? Sustainable Water Use – The wise use of water resources, without harming the essential functioning of the hydrologic cycle or the ecosystems on which humans depend. 8. Dams & Reservoirs – Water chapter & Merits & Drawbacks from Ch. 18 lecture Columbia River the forth largest river in North America, more than 100 dams in the river system, 19 produce energy, effects fish populations. 9. What is water conservation? Micro-irrigation MicroIrrigation – A type of irrigation that conserves water by piping it to crops through sealed systems, drip or trickle irrigation. Reducing water waste in industry. Redusing municipal water waste. 10. What is water pollution; what is sewage; what is Eutrophication? Water Pollution – Any physical or chemical change in water that adversely affects the health of humans and other organisms. Sewage – Wastewater from drains or sewers (from toilets, washing machines, and showers); includes human wastes, soaps, and detergents. Eutrophication – is the enrichment of a lake, estuary, or slow-flowing stream by inorganic plant and algal nutrients such as phosphorus; an enriched body of water is said t obe eutrophic. 11.
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Study Guide Exam 4 - Chapter 10 1. Which is the longest...

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