January 27, 2005
1. Discuss Case Study 1
systems
preferences
2. Quiz 1
3. Introduction to unit 2: Water and Energy Resources
Water and energy are interrelated
- conceptually
- renewable
- nonrenewable
- practically
- get energy from water (dams)
- use energy to get water (wells) and move water
- politically and economically
4. Upper Klamath Lake as an example
recent article about electricity rates
geography and history
importance of marshes link
politics and science
5. Main topics and examples
amount of freshwater and how we can conserve it
how we control water use
sustainable water use
classification of energy and mineral resources
depletion of non-renewable sources
energy alternatives: pros and cons for each
energy efficiency, "net" energy
negawatt
examples of energy efficiency
- cars
- homes
renewable forms of energy
- solar
- wind
- biomass
decentralization, the "soft path" and solar-H2
6. Amount of freshwater
amount at any one time
dynamic cycle - the hydrologic cycle
- precipitation
- rivers and streams
- ground water - aquifers
- recharge
7. Uses of water
by country
by activity
- agriculture
- industrial
- commercial/urban
- household
- pollution
- waste
8. Water in the American West
notes
rain follows the plow
vicious cycle in the Amazon -
www.geog.umd.edu/homepage/courses/ 639D/Foley_climateecosysteminteractiions.pdf
9. strife over water use
limited water is related to poverty and hunger
water is a type of wealth
- how do you think about water, what is its value
- how much you can use
- how much you have available - in case you need it
- whether you have the personal choice to waste it or not
- preferences/value (choice viewer)
- water IS life (reverence)
- it is unethical to waste water (moral)
- water is a very important natural resource (utilitarian, ecological services)
- water is a commodity that can be transported, cleaned-up if needed (industrial)
- there is so much water, that we shouldn't worry about it at all (cornucopian)
10. How do we move toward more sustainable use of water
compare Tuscon to Las Vegas
water rights
- commons
- tragedy of the commons - dilemma
- set up institutions (Elinor Ostrom)
- for example - pumping from the aquifer in three cities
mix of strategies
- irrigation
- water saving technologies
- stream and watershed management