Geography - general definitions (Physical geography)

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Flow/Transfer
A form of linkage between one store/component and another that involves movement of energy or mass.
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Input
The addition of matter and/or energy into a system
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Store/Component
A part of the system where energy/mass is stored or transformed
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System
A set of interlinked components working together towards some kind of process
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Isolated System
Have no interaction with anything outside the system boundary. There is no input or output of matter.
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Closed System
These have transfers of energy both into and beyond the system boundary but no transfer of matter.
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Open system
These are where matter and energy can be transferred from the system across the boundary into the surrounding environment
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Dynamic Equilibrium
The balance between the inputs and outputs
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Positive Feedback
Where the effects of an action are amplified or multified
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Negative feedback
Where the effects of an action are nullified by its subsequent knock on effects
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Biosphere
Is the cycle of living organisms of plants and animals
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Lithosphere
Is the outer layer of the Earth, made from the upper mantle and crust
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Atmosphere
Is a mixture of gases surrounding the Earth
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Hydrosphere
Is the total amount of water found on the planet
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Challenges
Difficult, large-scale problems that require solutions
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Opportunities
A situation where change might occur and where is could be for the better
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Risk
The exposure of people to a hazardous event presenting a potential threat to themselves, their possessions and the built environment in which they live
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Resilience
Resilience is the ability of a system to maintain certain functions, processes or populations after experiencing a disturbance
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Mitigation
The elimination or reduction of the frequency, magnitude, or severity of exposure to risk or minimization of the potential impact of a threat or warning
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Sustainable development
Economic development that is conducted without depletion of natural resources
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Atmospheric water
Water found in the atmosphere; mainly water vapour with some liquid water (cloud and rain drops) and ice crystals
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Cryospheric water
The water locked up on the earths surface as ice
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Hydrosphere
A discontinuous layer of water at or near the earths surface. It includes all liquid and frozen surface waters, groundwater held in soil and rock and atmospheric water vapour
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Oceanic water
The water contained in the Earth's oceans and seas but not including such inland seas
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Terrestrial water
This consists of groundwater, soil moisture, lakes, wetlands and rivers
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Other cards in this set

Card 2

Front

The addition of matter and/or energy into a system

Back

Input

Card 3

Front

A part of the system where energy/mass is stored or transformed

Back

Preview of the back of card 3

Card 4

Front

A set of interlinked components working together towards some kind of process

Back

Preview of the back of card 4

Card 5

Front

Have no interaction with anything outside the system boundary. There is no input or output of matter.

Back

Preview of the back of card 5
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