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Geography - water and carbon > systems > Flashcards

systems Flashcards

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1
Q

what is a model?

A

a simplified version of reality

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2
Q

what is an open system?

A

both matter and energy are allowed to transfer across the system boundary

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3
Q

what is negative feedback?

A

where the effects of an action are nullified by its consequent knock on effects

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4
Q

what is a system?

A

an assemblage of interrelated parts that work together

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5
Q

what is a store/component?

A

the links or relationships betweeen the components

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6
Q

what is a dynamic equilibrium?

A

where there is a balance between inputs and outputs then the system is said to be in a state of dynamic equilibrium.

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7
Q

what are flows/transfers?

A

the individual elements or parts of the system where energy or mass is stored or transformed

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8
Q

what is an output?

A

material or energy moving from the system to the outside

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9
Q

what is energy?

A

power or driving force

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10
Q

what is positive feedback?

A

where the effects of an action are amplified or multiplied by its knock on effects

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11
Q

what is an input?

A

material or energy moving into the system from the outside

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12
Q

what is a boundary?

A

the system lies within this

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13
Q

what is a closed system?

A

these have transfers both into and out of the system but not a transfer of matter

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14
Q

what are elements?

A

the things that make up the system of intrest

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15
Q

what are attributes?

A

the percieved characteristics of the elements

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16
Q

what are relationships?

A

description of how various elements work together to carry out some kind of process

17
Q

what is the hydropshere?

A

water on or close to the earths surface

18
Q

what is the biosphere ?

A

total sum of all living matter

19
Q

what is the cryosphere?

A

all parts of the earths system where it is cold enough for ice to freeze

20
Q

what is the atmosphere?

A

layer of gas between the earths surface and space held in place by gravity

21
Q

what is the lithosphere?

A

outer most part of the earth. it includes the crust and the upper part of the mantle.

22
Q

what are the processes of the water cycle?

A

condensation

runnoff

23
Q

what are the inputs of the water cycle?

A

rain

24
Q

what are the outputs of the water cycle?

A

evaporation

evapotranspiration

25
Q

what are the stores of the water cycle?

A

ice and snow

lake

26
Q

what is an example of positive feedback?

A

increase in temp causes increase in ocean temp, which would result in co2 being released into the atmopshere contributing to GW.

27
Q

what is an example of neg feedback?

A

increase in co2 causes temps to rise which will increase co2 which means more co2 uptaken due to photosynthesis and less co2 in atmosphere reducing effect of c02

Geography - water and carbon (19 decks)

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