What is defined as a "set of interrelated objects comprising components and processes that are connected together to form a working unit or unified whole?
System
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What can be transferred, making a system "open"?
Energy and matter
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Kinetic, thermal, and potential energy are all types of what?
Inputs
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What type of energy comes from the position of sediment on a cliff face?
Potential energy
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What happens when the number of inputs equals the number of outputs?
The system is in equilibrium
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What is a "stretch of self-contained unit of coastline containing sediment?"
A sediment cell
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What type of system is a sediment cell in theory?
A closed system
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What is formed when air moves from areas of high to low pressure?
Winds
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When do waves break? Height : Length
1:7
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What does the geological structure of a rock effect?
Permeability
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What kind of rocks contain tiny air spaces which absorb and store water?
Porous Rocks
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What type of permeability happens when a rock's joints are enlarged by solution?
Secondary permeability
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Where are swell waves generated?
Far out at sea with 20s between each
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What do high energy waves do to a beach profile?
Reduces the gradient
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What is the frequency of constructive waves?
Low 6-8 per minute
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How do rocks lie along concordant coasts?
Uniform and parallel
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When are tides the highest and what are they called?
Sun - Moon - Earth = Spring tides
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What is the tidal range like in enclosed areas?
Low with restricted wave action
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What percentage of terrestrial sources comes from rivers?
90%
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What are offshore sources of sediment?
All
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Beach nourishment is what kind of source of sediment?
Human
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Other cards in this set
Card 2
Front
What can be transferred, making a system "open"?
Back
Energy and matter
Card 3
Front
Kinetic, thermal, and potential energy are all types of what?
Back
Card 4
Front
What type of energy comes from the position of sediment on a cliff face?
Back
Card 5
Front
What happens when the number of inputs equals the number of outputs?
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