Sept. 8-10 Notes
Sept. 8-10 Notes 108-2F
Popular in Human Population Earth Environment
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This 3 page Class Notes was uploaded by josiepelham on Sunday September 13, 2015. The Class Notes belongs to 108-2F at University of Alabama at Birmingham taught by Julie G Price (P) in Summer 2015. Since its upload, it has received 55 views. For similar materials see Human Population Earth Environment in Environmental Science at University of Alabama at Birmingham.
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Date Created: 09/13/15
September 8 10 means it Will for sure be on the exam 0 Hydrologic cycle 0 Evaporation liquid to gas 0 Transpiration mist from stoma of plants this is Why it is cooler in the minipark o Precipitation rain or snow 0 Water can also be stored underground 0 Humans effect on water 0 Dams slow movement of water Which leads to an increase of evaporation 0 Removal of vegetation increases run off and erosion I Roots of plants hold soil in place 0 OverdraW of water for agriculture leads to lower water tables ground water 0 Carbon Cycle 0 Describes carbon s route through the environment 0 Photosynthesis moves carbon from air to water 0 Oceans are the second largest reservoir of carbon 0 Decomposition returns carbon to sediment which is the largest reservoir of carbon 0 Human effect on carbon cycle I Burning fossil fuels moves carbon from ground to air I Deforestation and burning fields moves carbon from plants to the air 0 Less plants less carbon dioxide is being removed through photosynthesis 0 Nitrogen Cycle 0 Nitrogen makes up 78 of the atmosphere Nitrogen is inert and can t be used in organisms Potent fertilizer 1Nitrogen fixation lightning fixes nitrogen gas into ammonium 2Nitrification bacteria convert ammonium into nitrite ions that plants absorb 0000 I Animals get nitrogen from eating plants 0 3Denitrification bacteria convert nitrates into gas and it is released back into atmosphere Industrial fixation Fixes nitrogen on a massive scale Human effects I Overwhelm nature s denitri cation abilities I Hypoxia in coastal areas nasty water and dead fish I Fertilizers strip soil of nutrients amp reduces fertility I Smog o Phosphorous Cycle 0 Most phosphorous is found in rocks 0 Released through weathering 0 Human Effects Runoff increases phytoplankton blooms and hypoxia Riparian zone requires farmers to maintain vegetation on either side of a body of water to buffer runoff Chapter 5 0 Economy social system that converts resources into goods and services 0 Neoclassical economics 0 O O O Psychological factors that underlie consumer choices Supply and demand Costbenefit analysis Four assumptions of neoclassical economics Recourses are replaceable replacements won t be found fossil fuels Costs and benefits are internal operational expenses ignores social cost of pollution External cost affect other people than just the buyers and sellers Discount longterm effects All growth is good economic growth is needed to keep jobs and social order but the economy can t endlessly grow 0 Nonmarket values not included in the price of good or service 0 Market failure occurs when markets ignore the environment 0 Environmental policy 0 O O O Pertains to human interaction with the environment Regulates resource use or reduces pollution Tragedy of the commons overuse of natural resources Various factors can obstruct environmental policy Perception that environmental protection means economic sacrifice Environmental policies re ect longterm trends but shortterm interests are often viewed as more important Wealth and power exert disproportionate in uence on policy makers 0 Our nation s strength depends on proper use of science 0 US pioneered innovative policies 0 Federal government is mirrored at the state level State law cannot violate principles of constitution AL Department of Environmental Management makes sure our water and air are clean to federal standards General land ordinances encouraged people to move west These people believed the land was infinite and inexhaustible Yellowstone was the first ever national park 1872 1964 Wilderness Act preserves land I 20th century air pollution dirty water more waste than in the past I Rachel Carson Silent Spring 1962 Book about chemicals and pesticides National Environmental Policy Act 1970 I Conducts and evaluates research I Monitor environmental quality I Sets and enforces standards for pollution level I Assists states I Educates public Politics rolled back policies Globalization societies are connected US spreads concern for environmental protection Command and control sets rules standards and limits Emissions trading government created market in permits for an environmentally harmful product Green taxes tax on environmentally harmful products Polluter Pays party that does the pollution pays for the damage it causes Subsidy government giveaway of money or resources to promote industry or activity Eco labeling tells consumers Which brands have been grown using sustainable resources Triple Bottom Line I Economic Advancement I Environmental Protection I Social Equity