Physical Flashcards
What are the energy players ?
TNCs
OPEC
Consumers
Governments
What are examples of unconventional fossil fuels being used?
Canadian tar sands
USA fracking
Gulf of Mexico +Brazil deep water oil
In the USA how many oil and gas wells have been hydraulically fractured (fracked?)
Over 2 million
What percent of the USA’s gas production comes from fracking?
67%
What could renewable +recyclable energy do?
Help decouple fossil fuels from economic growth.
Why might climate change increase drought frequency?
Shifting climate belts.
What are the characteristics of hard engineering?
Economically costly
Directly alter physical processes and systems
What does geological structure influence?
Concordant +discordant coasts
Jointing, dip, faulting, folding
What is an important influence on coastal morphology and erosion rates?
Geological structure- jointing, dip, faulting, folding.
What are erosion processes affected by?
Wave type
Wave size
Lithology
What is sediment transport influenced by?
Angle of wave attack
Tides and currents
LSD
How can sea level change?
Global warming
Tectonic activity
What are the economic losses of coastal recession?
Housing
Business
Agricultural land
Infrastructure
What are the social losses of coastal recession?
Relocation
Loss of livelihood
Amenity value
What are the meteorological causes of flooding?
Intense storms
Unusually heavy/prolonged rainfall
Extreme monsoon rainfall
Snowmelt