Deserts Flashcards
What is a defining characteristic of all deserts?
All deserts are dry
Deserts have very low precipitation levels.
What fraction of the world’s land surface is made up of deserts?
One third
This highlights the vast areas classified as desert environments.
How are the world’s driest lands classified?
By how much precipitation they receive
This classification helps in understanding desert types.
Name the three types of deserts.
- Arid
- Extremely Arid
- Semiarid
These classifications reflect varying levels of dryness.
Where do cold deserts typically lie?
Around the tropics and on high ground
Cold deserts can have significant temperature variations.
What is a characteristic of hot summers in deserts north of the Tropic of Cancer?
They experience very low humidity
This results in extreme temperature fluctuations.
What happens to precipitation in polar deserts?
It falls as snow
Polar deserts are characterized by low temperatures and minimal moisture.
What is a key feature of desert nights?
Nothing traps the heat
This leads to significantly cooler temperatures at night.
What are some examples of cold deserts?
- Gobi (Asia - China)
- Antarctic
- Sahara (Northern Africa)
- Australian desert
- Namib (Namibia)
- Hamikia (Africa)
These deserts vary in geography and climate.
Fill in the blank: The world’s driest lands are often classified by how much _______ they receive.
[precipitation]
This classification is essential for understanding desert ecosystems.
True or False: All deserts have hot summers.
False
Deserts can be classified as cold or hot based on temperature.