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Definition
| pollution control, discharge pollution from certain locations, drain pipes, powerplants |
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| are diffuse, having no specific location where they discharge, highly unpredictable, roads, construction sites |
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| amount of dissolved oxygen consumed by aquatic microrganisms is a standard measure of water contamination |
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Definition
| Measure of organic material in water |
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Definition
| the oxygen decline downstream |
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Definition
| clear water and low biological productivity |
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| bodies of water that are rich in organisms and organic material |
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Definition
| is an increase in nutrient levels and bio productivity |
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Definition
| when human activities effect eutrophication , caused by increased nutrient input |
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| lead and mercury are highly toxic , highly persistent and tend to bioaccumalate in food chains |
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Definition
| alters water temoertaure raising or lowering temp can dramitically effect the quality of life. |
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| alter flow, alter temp, trap sediments behind dam ait off nutrient flow, harm migratory fish; |
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| an permit for any industry dumping wastes in surface waters the permit requires an account of what is being dumped |
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Definition
| about half of the U.S. population and 95% of rural residents depend on undergr |
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Definition
dead zones 146 deadzones worldwide
largest= baltic sea |
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Term
| Municipal water treatment |
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Definition
| First two (primary and secondary) are mandated by law |
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Term
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Definition
| remove solids and some organics screening and settling |
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Term
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Definition
| biological degradation, pumps in oxygen reintroduce sludge, then it will breakdown more |
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Definition
| remove of nutrients or dangerous metals |
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Definition
| 7 major pollutants that contribute the largest volume of air quality degradation (worse threats) |
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Term
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Definition
| natural evap. from sea spray volcanic fumes and organic compounds |
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Term
| Anthropgenic Sulfur Dioxide |
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Definition
| a corrossive gas which reacts with water vapor in the air to cause acid rain |
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Term
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Definition
| volatile compounds evaporate from warm areas: travel to poles where they condense and precipitate |
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Term
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Definition
| measure the hydrogen ion concentration of liquids or substances, it is defined as the negative log of H+ concentration |
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Definition
| are proton doners, they increase H+ |
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| Greenhouse gases reside in the |
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Definition
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| Natural Sources of air pollution |
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Definition
| volcanic ash and acidic components, sea spray, vegetaion, pollen spores viruses bacteria, dust storms, bacterial metabolism is responsible for 23 of mathane in the air, forest fires |
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Term
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Definition
| Sulfur Dioxide, nitrogen oxides, carbon monoxide, particulates, hydrocarbons, photochemical oxidants, lead |
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Definition
| are sometimes more harmful than outdoor pollutants |
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Term
| The first decade (1974-1984) |
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Definition
| Research focuses on whether CFC'S really posed a threat to the ozone layer |
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Term
| The Ozone Years (1985-1990) |
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Definition
| British researches first report the Anatarctic ozone hole, 140 countries agree to limit the use of CFC's |
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| Health Impacts of Air Pollution |
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Definition
| Bronchitis, Emphysema, COPD |
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Term
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Definition
| particulate removal, electrostatic precipitators |
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Term
| Precipitation with a pH < 5.0 |
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Definition
| is considered unnaturally acidic |
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Term
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Definition
| Unpolluted rain (carbonic acid from atmospheric C02 |
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Term
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Definition
| contains sulfuric acid, and nitric acid in a 2:1 ratio sulfur and nitrogen oxides in the troposphere react with water vapor to from acidic precipitation |
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Definition
| Primarily coal-burning power plants |
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| Impacts of Acid Precipitation |
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Definition
| Forest damage, damage to buildings and monuments, damage to aquatic systems |
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Definition
| released directly from the source |
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Term
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Definition
| they get toxic AFTER they enter the air and mix with other chemicals in that air |
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