Archives
Rural Urban Fringe
(Thank you to Peter Robinson for supplying the information below) There are many different land uses that border the city. Over time the city is likely to expand into these areas, and the land use will most likely change. Stellawood Cemetery used to be on the outskirts of Durban, it is now very much part of… Read More »
Invasion and Succession
(Thank you to Peter Robinson for supplying the information below) The residential area bordering Davenport Centre has seen changing land use in the last few decades. What were family homes have been turned into businesses. The age of the area means the homes cannot be demolished. The buildings are retained, but their use changes. … Read More »
Durban Residential
(Thank you to Peter Robinson for supplying the information below) Residential areas tend to be divided into economic groupings. 1. High income earners often live in gated communities Mount Edgecombe Mount Edgecombe Golf Estate has many palatial homes, takes up a large area, and as a golf estate impacts on the natural environment. Mount… Read More »
Durban Virtual Tour
Virtual Tours
Not everyone can get to some areas of South Africa and not all schools can afford to go on tours, so please showcase your area here.
1. Introduction to Water in the World
1. Different forms of water in the world: liquid, solid and gas. 2. The hydrologic cycle. 3. Occurrence of salt water and fresh water: oceans, rivers, lakes, ground water and atmosphere. SOURCE: http://www.physicalgeography.net/fundamentals/8b.html Why are the Oceans Salty? As water flows in rivers, it picks up small amounts of mineral salts from the rocks and… Read More »
1. Composition and structure of the atmosphere
1. Importance of the atmosphere. 2. The composition and structure of the atmosphere: troposphere, stratosphere, mesosphere and thermosphere. 3. The ozone layer – in the stratosphere. 4. Causes and effects of ozone depletion. 5. Ways to reduce ozone depletion.
2. Heating of the atmosphere
1. Processes associated with the heating of the atmosphere: insolation, reflection, scattering, absorption, radiation, conduction and convection. 1.1 INSOLATION: INcoming SOLar radiATION The sun’s energy received by the earth. 1.2 Reflection: The opposite of absorption. Insolation is redirected back into the atmosphere, mostly by clouds. 1.3 Scattering: Small particles and gas particles diffuse (scatter) the insolation. Scattering… Read More »
3. Moisture in the atmosphere
1. Water in the atmosphere in different forms, such as water vapour and liquid. 2. Processes associated with evaporation, condensation and precipitation. The atmosphere isn’t just made up of air but also contains water vapour. This water vapour, which makes up less than 0.001% of all the water on the Earth, is invisible. This tiny amount… Read More »