FAB3473C43964F7E9C9D844F2F932488

FAB3473C43964F7E9C9D844F2F932488 - Chesapeake Bay Review#1...

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Chesapeake Bay Review #1 Below is a list of topics that could be on the first Chesapeake Bay Test. The test will contain, but is not limited to, the information below. Introduction and General Information: - Watershed : An area of land that drains into a body of water - Estuary : A semi-enclosed body of water that is open to the ocean on 1 side. It gets its freshwater from rivers and saltwater from the ocean, so it contains brackish water. - Brackish water : A mixture of fresh and salt water - Desalination : The process of removing salt from ocean water by heating the saltwater. The water will evaporate (change into water vapor) and the salt will stay behind. The water vapor can then be collected and cooled back into liquid water. - Xeriscaping : landscaping ones property for minimal water use. For example, sand or stones may cover the yard in place of grass. Plants in the garden need very little water – the water nature provides would be sufficient – no extra watering is necessary. - Potable : safe to drink (a water purification plant or well does this) - Anaerobic vs aerobic : aerobic is a process that occurs with oxygen and anaerobic is a process that occurs without oxygen. - Hypoxic : low oxygen levels in the water
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- Anoxic : NO oxygen in the water (the area is referred to as a dead zone) - Thermal pollution : hot water (such as discharge from a powerplant) reduces oxygen in the water - Eutrophication : a process that causes algae to grow rapidly (algal bloom) due to excess nutrients (such as Nitrogen) entering a body of water. This process results in lower oxygen levels in the water. - Point vs nonpoint : point is pollution that comes from 1 source, the source can be identified, and the pollution can be traced back to that source (such as an oil tanker accident spilling oil or a leaking septic tank). Nonpoint is pollution that comes from many different sources, the sources are hard to identify, and pollution cannot be easily traced back to a source (such as oil leaking from boat traffic, runoff of fertilizers and animal waste from farms, and runoff of oil from the streets) ~What are the states in the watershed? Maryland, Virginia, West Virginia, Pennsylvania, New York, Delaware ~What is the average depth of the bay? 21 feet
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~ Identify some major water uses Residential Agricultural Industrial Water uses -Watering lawns/plants -Washing cars -Washing clothes -Flushing toilets -Washing dishes -Showering -Cooking -Cleaning -irrigation (watering crops with water that is not direct precipitation) by diverting
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