Depressions
The characteristics and weather pattern associated with a depression. Image by the BBC. ZIMSEC O Level Geography Notes.
Characteristics
- This is an area of low pressure whose shape on a map is oval or circular.
- It is represented […]
February 2025
Frost/Snow and Hail
A house and vehicle covered in snow. Image by Novinite. ZIMSEC O Level Geography Notes: Frost/Snow and Hail.
Snow/Frost
- Caused by a sudden fall or drop in temperature.
- With snow ice crystals are formed in the atmosphere.
- When these small ice crystals collide with […]
Calderas
El Boqueron caldera in El Salvador. Image credit Wikispaces.com ZIMSEC O Level Geography Notes: Calderas
- Calderas are very large craters often two or more kilometers in diameter that form at the top of volcanoes.
- They are often deep extending downwards for a few hundred […]
Location and Causes of Hot Deserts
A map showing the location of the world’s major deserts. Image credit English-Online.net ZIMSEC O Level Geography Notes: Location of Hot Deserts.
- The largest arid and semi-arid deserts occur between latitudes 15° and 30° North and South of […]
River processes: Basic Concepts
A turbulent river. Image credit jokeroo.com ZIMSEC O Level Geography Notes: River processes:Basic Concepts.
- Rivers are perhaps the most important denudation agent.
- They carve channels, form valleys,transport and deposit regolith over great distances and other material to form other types of landforms.
Terms used in describing a […]
River Regime
The river Nile. Image credit historymuseum.ca ZIMSEC O Level Geography Notes: River Regime
- A river regime is the term used to describe the annual variations in a specified river’s discharge.
- A river’s discharge is the volume of water flowing through a river channel.
- This is the total […]
Buses and Tram cars
Road Port Bus Terminal. Image credit world-adventurer.com ZIMSEC O Level Geography Notes: Transport: Buses and Tram cars
Advantages
- They are fast
- They are comfortable
- They are punctual
- They carry a lot of passengers at once.
- They are cheaper than other modern modes of transport.
- They have prescribed pick up and […]
Zimbabwe’s towns and Cities an Introduction
Bulawayo Zimbabwe’s second largest city. Image credit southerneye.co.zw ZIMSEC O Level Geography Notes: Settlements: Zimbabwe’s towns and Cities an Introduction
- An urban settlement in Zimbabwe is one whose population is more than 2 500 or more with the majority of its workers (more […]
The city of Gweru
The city of Gweru. Image credit vevesworld.com
ZIMSEC O Level Geography Notes: Settlements: The city of Gweru
- Gweru is an administrative capital of the Midlands region.
- It has a male population of 776 787 and a female population of 838 154 which results in a total population of 1 614 941 […]
Population and Land
Ploughing sandy soils. Image credit zimbabweelection.com
ZIMSEC O Level Geography Notes:Population and resources:Population and Land
- Land is the most important natural resource base in a country.
- This is especially true for a country like Zimbabwe whose economy is agro-based
- Rapid population growth increases human demand on the land causing heavy damage to […]