BIOL 4130/4140

Contemporary Problems in Environmental Science

Phil Ganter

302 Harned Hall

963-5782

           Idaho's Lochsa River

Course Objectives

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Lecture 01 Human Population Growth

The Student will be able to:

  • describe the general outlines of human population growth since the agricultural revolution
  • discuss the importance of changes in public sanitation and germ theory during the industrial revolution to human population growth
  • describe the general geographic distribution of population and population growth
  • describe the differences in growth between more and less developed countries
  • describe exponential growth and explain why it applies to human populations
  • discuss the implications of exponential growth
  • calculate doubling time from percentage growth rate
  • describe logistic growth
  • define carrying capacity and ecological footprint
  • describe age structures of growing and stable populations
  • recapitulate Malthus' argument about the effect of resource on population growth
  • describe the demographic transition and possible causes of it
  • discuss possible problems with accepting the demographic transition
  • discuss both arguments for and against a population problem
  • discuss the effects of education and family planning on population growth

Lecture 02

The Student will be able to:

  • define the biosphere
  • discuss the general feature of the Earth
  • discuss the general features of the Lithosphere, Hydrosphere, and Atmosphere
  • describe the hierarchy of life
  • define "population" and discuss those factors that affect abundance and distribution
  • give examples of how the factors affecting populations can interact
  • define biotic interactions and distinguish direct and indirect interactions
  • discuss how humans interact with populations of other species
  • define biological communities and distinguish them from ecosystems
  • explain ecological succession
  • describe energy flow and matter cycling as ecosystem processes
  • define food webs
  • describe a trophic pyramid
  • define net primary productivity
  • describe a generalized biogeochemical cycle
  • explain how recycling occurs in a biogeochemical cycle
  • describe in a general way the carbon, water, nitrogen and phosphorous cycles
  • define residence and cycling times
  • describe how humans are impacting biogeochemical cycles

Lecture 03

The Student will be able to:

  • discuss the evidence for a single origin of life on Earth
  • describe the general features of Earth's history, including the dates of planetary origin, earliest fossil, atmospheric oxygenation, origin of eukaryotes, and the three eons of life's history
  • describe the three eras that compose the Phanerozoic Eon
  • define mass extinction and describe the Permian-Triassic and Cretaceous-Paleogene extinctions
  • explain why the isotopes of oxygen provide evidence for changes in temperature over geologic time
  • describe the pattern of temperature change over geologic time
  • define biodiversity, describe the effect of mass extinctions on it, especially the trend since the most recent mass extinction
  • relate natural selection to changes in biodiversity
  • define "sixth mass extinction" and discuss evidence for it
  • define species richness and species diversity and relate both to biodiversity
  • define climate
  • describe the major climate types
  • describe montane, continental, oceanic climate influences
  • describe the major terrestrial biomes
  • describe freshwater aquatic biomes
  • describe the major oceanic biomes
  • distinguish plankton from nekton
  • distinguish lotic from lentic

Lecture 04

The Student will be able to:

  • define plate tectonics and describe at least two sources of supporting data for it
  • define continental drift and describe the mechanism proposed for it
  • describe the four types of boundaries between plates
  • relate Pangaea to the current pattern of continents
  • compare rocks and minerals
  • describe the three types of rocks and the subgroups of each type of rock
  • compare the formation of the three types of rock
  • diagram the rock cycle
  • describe electromagnetic radiation
  • define black body and infrared radiation
  • diagram the global heat budget
  • differentiate between conduction, radiation and convection as  means of transferring heat energy
  • compare climate to weather
  • describe how the tilt of the Earth defines the tropic and polar regions
  • describe how the tilt cot the Earth results in variable day length and seasonality
  • describe the major regions of wind and how they come about, including the influence of the Coriolis force
  • relate the global wind pattern to the global precipitation pattern
  • define ENSO, El Niño, La Niña and the Southern Oscillation
  • describe the effects of ENSO on rainfall and drought in the US, western South America and southeast Asia
  • relate disturbance and disturbance regime to the idea of a natural hazard
  • describe the causes of earthquakes and tsunamis
  • compare hypocenter to epicenter
  • define volcano, magma, and lava
  • tell why earthquakes are associated with particular plate boundaries
  • describe a volcanic winter
  • relate precipitation to landslides and debris flows
  • describe the steps that cause a lake to explode and how this can be prevented
  • describe the causes of wildfires, both natural and anthropogenic
  • define a fire-adapted community and give an example
  • describe the types of wildfire, including subterranean wildfire
  • describe fire management as currently practiced in the US
  • define a tropical cyclone and how and where these form
  • describe the kinds of damage associated with hurricanes
  • define both thunderstorm and lightening
  • describe a tornado and the types of tornadoes
  • define a supercell and relate it to tornado formation
  • describe how ice storms form
  • define supercooling
  • discriminate between floods and flash floods
  • define floodplain
  • describe the impacts of drought
  • describe where drought is likely to form
  • relate ENSO to drought
  • relate drought to desertification
  • describe how dust storms form
  • relate the lessons to be learned from the US dust bowl

Lecture 05 Part 1

The Student will be able to:

  • define energy and work
  • compare PJ to Quad to Mtoe
  • discuss the global rule for impact
  • describe the recent trends in global energy consumption, relative use of fossil fuels vs other energy sources, and regional patterns of energy consumption
  • discuss the relationship between income and energy use
  • compare current global consumption with global consumption as various regions are developed and acquire energy footprints similar to the US
  • compare the relative importance of the various energy sources to total US energy supply
  • describe the current pattern of US Consumption
  • compare efficiencies of the different usage sectors
  • define magnetism and describe how magnetism is generated
  • define electricity and describe how electricity is generated
  • describe the electric grid
  • outline the history of electrification
  • describe the current state of electrification worldwide
  • compare and contrast the different types of large-scale power plants
  • distinguish between hard and soft technologies and discuss the implications of the difference
  • define and name fossil fuels
  • discuss the relationship between supply, reserves, and consumption
  • describe the general pattern of oil production and consumption
  • define Hubbert's curve and discuss its implications
  • describe the make-up and formation of coal and the four principle types of coal
  • name the countries that are the major producers and reserves of coal
  • discuss projections of time-to-depletion for coal and in general
  • name the components of natural gas
  • describe both thermogenic and biogenic production
  • describe the means by which we obtain natural gas
  • list and discuss the environmental hazards associated with natural gas
  • describe methane hydrate's structure, formation, and potential impact on fuel reserves and CO2 emissions
  • describe the general concerns about using fossil fuels to provide energy
  • discuss the ANWR controversy
  • discuss the impact of price subsidies on the growth of renewable energy sources
  • describe the reasoning underlying environmental impact taxes on energy use and predict their effect
  • list some of the adverse environmental impacts from fossil fuel use.
  • contrast the three principal forms of nuclear radiation and the potential hazards from each.
  • list the major sources of radiation in the environment
  • distinguish radioactive decay from nuclear fission
  • explain how beta and alpha emissions change the atom
  • describe the fission of uranium-235 and explain why it is radioactive and how the energy is released for generating electricity
  • describe the functions of moderators and control rods in nuclear power plants
  • define fusion and describe its potential roll in energy production
  • discuss the advantages and disadvantages to using nuclear power
  • describe a breeder reactor and its impact on the depletion of nuclear reserves
  • describe the potential for safety problems at a nuclear plant and the three incidents where operators lost control of the nuclear cores
  • explain the disposal problem and potential solutions

Lecture 05 Part 2

The Student will be able to:

  • list the general types of alternative (renewable) energy
  • rank the types of renewable energy with respect to both world energy production and US energy production
  • compare US government investment in energy production with world investment
  • describe the ways in which electricity is generated from water
  • describe the capacity for hydropower to supply US energy demand now and in the future
  • describe the reasons for constructing dams and the environmental impact of dams
  • discuss both the advantages and disadvantages of hydropower from dams
  • suggest possible future for hydropower
  • describe the alternative energy sources
  • define renewable
  • list the uses of dams
  • describe how dams generate electricity
  • describe the environmental impacts of dams
  • compare the advantages and disadvantages of hydropower from dams
  • describe anadromous and catadromous fish life cycles
  • discuss the possible future of hydropower from dams and ways to reduce its environmental impact
  • discuss the possible role of alternative hydropower in worldwide and US electricity generation
  • describe ocean thermal energy conversion (what the power source is, how electricity is generated and the potential of OTEC to satisfy energy demand)
  • define tides and describe the reason for to high tides each day and why the tidal day is 50 minutes longer than the regular day
  • define a tidal barrage
  • describe how tidal barrages generate electricity
  • list the environmental impacts of barrages
  • describe how a T-shaped barrage generates electricity
  • describe the environmental impacts of t-shaped barrages
  • describe Hydro Energy Barrels and their possible benefits
  • describe the general theory behind wave-powered electricity generation
  • give examples of the implementation of the theory
  • describe how osmosis can be used to generate electricity
  • List the sources of biomass energy
  • List the ways in which biomass energy is used
  • discuss the environmental benefits and costs associated with the use of biomass
  • define solar power
  • compare the potential of solar power to other renewable resources and to fossil fuel sources
  • discuss the present state of solar power
  • compare costs between solar and fossil fuel power
  • discuss the challenges solar power must overcome if it is to be an important source of energy
  • compare passive to active solar power
  • describe the elements of passive solar design
  • describe the use of solar thermal panels
  • relate how semiconductors are used to generate electricity
  • describe both the positive and negative impacts of solar power on the environment
  • relate the sun to wind-generated electricity
  • give estimates of wind powers potential to supply electricity to both the US and the world
  • define capacity and rank fossil and alternative fuels with respect to capacity
  • discuss the geographic distribution of wind power potential
  • compare US versus the world in investment in wind power, installed capacity and rate of installation
  • compare the cost of wind power (both land-based and offshore) with fossil fuel costs
  • discuss how wind speed, rotor size, tower height, intermittency and variation all affect wind power generation
  • describe the three basic designs for wind turbines
  • define and compare HAWT and VAWT
  • discuss both the positive and negative impacts of wind power on the environment
  • define geothermal power and describe its geographic distribution
  • compare the four sources of geothermal power
  • describe how individual buildings can use geothermal power
  • relate the importance of energy storage and its impact on the development of alternative energy sources
  • describe how a fuel cell works
  • discuss energy conservation and the influence of government on conservation

Lecture 06

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Lecture 07

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Lecture 08

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Lecture 9

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Lecture 11

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Last updated January 21, 2012