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A-Level Geography Water Cycle Notes (Pearson Edexcel) £9.99   Add to cart

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A-Level Geography Water Cycle Notes (Pearson Edexcel)

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Offers an in-depth coverage of the entirety of Unit 3, Topic 5, 'The Water Cycle and Water Insecurity' for Pearson Edexcel A-Level Geography. The document is well-formatted in accordance with the specification to make it easier to navigate.

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  • June 17, 2024
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  • 2023/2024
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zackearl05
, ENQUIRY QUESTION I

WHAT ARE THE PROCESSES OPERATING WITHIN THE
HYDROLOGICAL CYCLE FROM GLOBAL TO LOCAL SCALE?




2

,5.1 THE GLOBAL HYDROLOGICAL CYCLE IS OF ENORMOUS
IMPORTANCE TO LIFE ON EARTH

STORES Reservoirs where water is held

PROCESSES/TRANSFERS Transfer of water between stores

FLUXES Rate of flow between stores

STORE RESIDENCE TIME

Ocean (96.9%) 3,600 years

Icecaps (1.9%) 15,000 years depending on size

Groundwater (1.1%) Up to 10,000 years for deep groundwater;
100-200 years for shallow groundwater

Rivers and lakes 2 weeks to 10 years; 50 years for very large
scale

Soil moisture 2-50 weeks

Atmospheric moisture 10 days

TRANSFERS / FLOWS

Precipitation

Evaporation

Transpiration

Through flow

Groundwater flow

Surface run-off

Percolation

Condensation

Vapour transport

BLUE WATER Water stored in rivers, streams, lakes and
groundwater in liquid form (the visible part
of the hydrological cycle).

GREEN WATER Water stored in the soil and vegetation (the
invisible part of the hydrological cycle).




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