ENGL 2655 Chapter Notes - Chapter 3: Northern Hemisphere, Water Scarcity, Land Degradation
Document Summary
Lake mead, vegas gets 90% of its water from there, biggest drought problem in us. Impact of droughts is different in different societies, in some places it means death. Can farmers" markets help with food deserts. Land use: deforestation leads to loss in biodiversity but also affects carbon cycle through types of plants which affects carbon stored in soil, dust storms because lack of vegetation, increased dryness, etc. Fresh water: three main uses of fresh water: agricultural, industrial, residential, consumptive use of water = water is used and does not return to its original source or watershed, hydrologic cycle moves it somewhere else. Ex, agriculture: non-consumptive use = returns water to its original source or watershed, hydrologic cycle keeps it close. Coal mine next to a river: sources of fresh water: Fresh water scarcity: physical and economic: ex. Sahel drought (held report: causes: change in ocean temperatures, correlations:
