A-Level AQA Geography Desert Systems & Processes: Outline the sources of water in

Outline the sources of water in deserts. - AQA - A-Level Geography - Question 2 - 2022 - Paper 1

Question 2

Outline the sources of water in deserts.

Worked Solution & Example Answer:Outline the sources of water in deserts. - AQA - A-Level Geography - Question 2 - 2022 - Paper 1

Step 1

Precipitation in the form of rainfall

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Answer

Precipitation is the primary source of water in deserts, occurring in the form of infrequent rainfall. Events can be episodic and vary in intensity, often due to convectional rainfall. Although these events are rare, they are essential for providing moisture.

Step 2

Exogenous rivers

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Answer

Exogenous rivers are those that originate outside of the desert area. They carry substantial quantities of water, sustaining the ecosystems in their paths before they dry up in the desert environment. An example of such a river is the River Nile.

Step 3

Endoreic rivers

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Answer

Endoreic rivers flow into a terminal basin, such as a lake or an inland sea, without reaching an ocean. A notable example is the River Jordan, which flows into the Dead Sea and loses water mainly through evaporation.

Step 4

Ephemeral rivers

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Answer

Ephemeral rivers may flow following a storm or after a shower. These rivers might be temporary, often disappearing after rainfall ends. They play a significant role in the desert water cycle during their active periods.

Outline the sources of water in deserts. - AQA - A-Level Geography - Question 2 - 2022 - Paper 1

Worked Solution & Example Answer:Outline the sources of water in deserts. - AQA - A-Level Geography - Question 2 - 2022 - Paper 1

Precipitation in the form of rainfall

Exogenous rivers

Endoreic rivers

Ephemeral rivers

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