Processes in the water cycle Flashcards

(30 cards)

1
Q

What is the hydrosphere

A

liquid water on earths surface, oceans lakes ect

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2
Q

What percentage of global water is stored in the hydrosphere

A

96.5%

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3
Q

what’s the cryosphere

A

frozen area of the planet eg glaciers and ice sheets

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4
Q

what percentage of global water is stored in cryosphere

A

1.7%

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5
Q

What’s the lithosphere

A

solid outer part of earths crust, rock

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6
Q

where and how much water is stored in lithosphere

A

1.7% , in aquifers ect(in rocks)

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7
Q

How is water stored in the atmosphere

A

water vapour and clouds

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8
Q

how much water is stored in the atmosphere

A

0.001%

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9
Q

what are surface stores of water

A

water stored in lakes and river channels

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10
Q

what is groundwater

A

water stored within porous rock underground

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11
Q

what is the water table

A

upper level of saturated rock

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12
Q

what’s interception

A

leaves, stems, and trunks can stop water from reaching the ground and temporarily hold water

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13
Q

what’s absorption

A

vegetation takes up water through the root system

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14
Q

what type of system is a drainage basin

A

open system

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15
Q

what type of system is the water cycle

A

closed system

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16
Q

precipitation (input)

A

any form of water falling from the atmosphere to the earths surface including rain snow sleet and hail

17
Q

evaporation (output)

A

sun heats surface of water (eg rivers and lakes) changing it from liquid to water vapour (gas)

18
Q

transpiration (output)

A

water released from plants into the air. forms evapotranspiration when combined with evaporation

19
Q

condensation (input/output)

A

water vapour in the air cools, reaching the dew point, and changes into liquid water which leads to cloud formation

20
Q

TRANSFER: surface run off

A

Water flowing over the Earth’s surface (overland flow) – when ground is waterlogged or impermeable.

21
Q

TRANSFER: infiltration

A

Downward movement of water into soil – affected by soil type, vegetation, land use, etc

23
Q

TRANSFER: percolation

A

Downward movement of water through rocks underground – important for replenishing
groundwater stores.

24
Q

TRANSFER through flow

A

Horizontal movement of water through soil to return to a river, can be accelerated by
plant roots or animal activity.

25
TRANSFER groundwater flow (base flow)
Slow, horizontal flow of water through sub-surface rock – helps maintain river flow during dry periods.
26
TRANSFER stem flow
Water dripping from leaves or flowing down stems and trunks to reach the ground.
27
TRANSFER channel flow
Movement of water within the river channel – driven by gravity and influenced by channel gradient, shape, and roughness.
28
What's frontal rainfall and where is it common
-Occurs when two air masses of different temperatures meet. - warmer, less dense air is forced to rise over the cooler, denser air. -As the warm air rises, it cools and condenses to form clouds, leading to rainfall. -Common in mid-latitude regions – associated with weather fronts and prolonged periods of rain.
29
What is convectional rainfall, where's it common, what's associated with it
-Occurs when the ground is heated by the sun, causing warm air to rise rapidly. -As the air rises, it cools and condenses to form clouds, leading to heavy rain. -Common in tropical regions and during summer months in temperate areas – associated with thunderstorms and heavy downpours.
30
What's orographic rainfall
-Orographic (Relief) Rainfall -Occurs when moist air is forced to rise over a mountain range. - As the air ascends, it cools and condenses to form clouds, resulting in precipitation on the windward side of the mountains. -The windward side receives heavy rainfall, while the leeward side (rain shadow) remains dry. -Common in mountainous regions