GEOGRAPHY PAPER 1 GRADE 12 MEMORANDUM NATIONAL SENIOR CERTIFICATE SEPTEMBER 2016
SECTION A: CLIMATE, WEATHER AND GEOMORPHOLOGY QUESTION 1 1.1 1.1.1 B (millibars) ✓ 1.1.2 B(18) ✓ 1.1.3 A (trade winds) ✓ 1.1.4 B 1.1.5 A (cumulonimbus clouds) ✓ 1.1.6 C (15° – 20° north and south of the equator) ✓ 1.1.7 C (5 °C) ✓ 1.1.8 D (pressure increases) ✓ (8 x 1) (8) 1.2 1.2.1 C-D ✓ 1.2.2 Sea ✓ 1.2.3 H ✓ 1.2.4 G ✓ 1.2.5 F ✓ 1.2.6 A-B✓ 1.2.7 Deltas ✓ (7 x 1) (7) 1.3 1.3.1 Very hot conditions persisting for three continuous days. ✓ The average temperature of the hottest month, adding 5 °C which persist for three days. ✓ (Any ONE) (1 x 1) (1) 1.3.2 Kalahari/Continental HP ✓(1 x 1) (1) 1.3.3 Clear skies over the interior ✓✓ (1 x 2) (2) 1.3.4 Lack of moisture makes it easier for vegetation to catch on fire. ✓✓ Vegetation dry due to high transpiration rates. ✓✓ High temperatures increases the chances of the bush to burn ✓✓ (Any TWO) (2 x 2) (4) 1.3.5
Visibility will be reduced ✓
May cause accidents in urban areas ✓✓
Outdoor activities may be postponed or cancelled ✓✓
There will be a reduction in economic production ✓✓
Property damage ✓✓
Life losses ✓✓
Financial losses due to property and infrastructure damage ✓✓
Farmland destroyed in the interior ✓✓
Pasturage areas also destroyed ✓✓
Food security may be compromised ✓✓ (Any FOUR) (4 x 2) (8)
1.4 1.4.1 Radiation fog ✓ (1 x 1) (1) 1.4.2 Early morning ✓ Accept early morning time given, e.g. 5:00 – 7:00. ✓ (1 x 1) (1) 1.4.3 The fog lifts because of the heat from the convection streams which is provided by the sun. ✓✓ (1 x 2) (2) 1.4.4
Clear skies ✓✓
No wind/Very light breeze ✓✓
High relative humidity ✓✓
Stable atmospheric conditions ✓✓
(Any TWO) (2 x 2) (4)
1.4.5
Causes cold dense air to sink down the slopes. ✓✓
Bottom section of valley cools down to below dew point temperature. ✓✓
Condensation occurs in entire bottom section of the valley. ✓✓ (Any TWO) (2 x 2) (4)
1.4.6 Fog can be captured in small reservoirs for domestic use. ✓✓ Fog will keep the soil and crops moist, therefore reducing water usage. ✓✓ (Any ONE) (1 x 2) (2) 1.5 1.5.1
Watershed ✓ (1 x 1) (1)
Interfluve ✓ (1 x 1) (1)
1.5.2 Both have a dendritic drainage pattern ✓✓ (1 x 2) (2) 1.5.3 Drainage basin T has more streams. ✓✓ Drainage basin T has a higher stream order ✓✓ (Any ONE) (1 x 2) (2) 1.5.4 The higher the drainage density the higher the stream order. ✓✓ (1 x 2) (2) 1.5.5
The slopes at drainage basin T is steeper ✓✓ which increases run-off and more streams are created. ✓✓
Consistent rainfall in drainage basin T ✓✓ therefore increasing run-off and the creation of more streams. ✓✓
Underlying rock structure at drainage basin T is less resistant. ✓✓ and it is easier for streams to be carved into the rock surface ✓✓
Drainage basin T has a lower porosity and permeability ✓✓ thus water will flow across the surface and carve more streams. ✓✓
The vegetation cover at drainage basin T is less ✓✓ therefore run-off is not slowed down and more streams will carve. ✓
OR
Drainage basin S flow over gentle slope ✓✓ resulting in infiltration and fewer streams will be carved. ✓✓
In drainage basin S the rainfall is seasonal ✓✓ thus less run-off to carve streams. ✓✓
Underlying rock structure is more resistant in drainage basin S ✓✓ and run-off cannot carve many streams into hard rock layers. ✓✓
More infiltration due to higher porosity and permeability ✓✓ thus water infiltrates without forming streams. ✓✓
Vegetation cover is dense in drainage basin S ✓✓ which facilitates infiltration and fewer streams will flow. ✓✓ (Any TWO factors with an explanation) (4 x 2) (8)
1.6 1.6.1 Renewed ability of the river to erode downwards. ✓ (CONCEPT) (1 x 1) (1) 1.6.2
Valley within a valley ✓ River terraces ✓ (Any ONE)
(Knick point) waterfall ✓ (2 x 1) (2)
1.6.3 It will retreat upstream. ✓ (1 x 1) (1) 1.6.4 Headward erosion will occur. ✓✓ Undercutting at the base of the waterfall will occur. ✓✓ (2 x 2) (4)
1.6.5
Floodplain will narrow hence less land for farming. ✓✓
Difficult to access water on the higher ground. ✓✓
Building of roads will be difficult to transport farm products ✓✓ (Any ONE) (1 x 2) (2)
1.6.6
Hydroelectricity may be generated there ✓✓
Important tourist attraction ✓✓
Adventure tourism will be favoured ✓✓
Development of holiday resorts ✓✓
(Any TWO) (2 x 2) (4)
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QUESTION 2 2.1 2.1.1 polar ✓ 2.1.2 warm ✓ 2.1.3 West to east ✓ 2.1.4 D ✓ 2.1.5 backing ✓ 2.1.6 nimbostratus ✓ 2.1.7 Cold ✓ (7 x 1) (7) 2.2 2.2.1 D ✓ 2.2.2 B ✓ 2.2.3 C ✓ 2.2.4 E ✓ 2.2.5 C ✓ 2.2.6 A ✓ 2.2.7 B ✓ 2.2.8 E ✓ (8 x 1) (8) 2.3 2.3.1 Summer ✓ (1 x 1) (1) 2.3.2
Inversion layer higher than the level of the plateau ✓
Air from the coastal regions is able to reach the interior ✓
Clouds visible over interior ✓ (Any ONE) (1 x 1) (1)
2.3.3 Kalahari / Continental high ✓ (1 x 1) (1) 2.3.4 Air mass X is dry and cold ✓✓ Air mass Y is warm and moist ✓✓ (2 x 2) (4) 2.3.5
A moisture front will develop because the two air masses from the coast will converge at Q (interior). ✓✓
The denser, colder air forces the lighter, warmer air to rise. ✓✓
The rising air then cools, condenses and forms a line of thunderstorms. ✓✓ (Any TWO) (2 x 2) (4)
2.3.6
Flooding of fields destroys crops ✓✓
Hail destroys crops ✓✓
Lightning sets cultivated lands on fire ✓✓
Line thunderstorms can result in large scale erosion ✓✓
Damage to livestock ✓✓
Less food produced ✓✓
Farmer loses income ✓✓
Labourers lose jobs ✓✓ (Any TWO) (2 x 2) (4)
2.4 2.4.1 Mass of polluted air in and around the city which is prevented from rising due to inversion conditions. ✓ (CONCEPT) (1 x 1) (1) 2.4.2
Vegetation
Destruction of vegetation ✓✓
Trees are weakened because their leaves are being damaged ✓✓ Acid rain limits the nutrients available for trees ✓✓
Trees are being exposed to toxic substances which is slowly released from the soil ✓✓ (Any ONE)
Building structures
Acid rain corrodes the metal and weakens the building structure ✓✓
It ruins buildings by causing the stone to dissolve, therefore the building will deteriorate ✓✓
It will wash the protective paint cover away ✓✓ (Any ONE) (2 x 2) (4)
2.4.3
Manufacturers can build cars that are powered by alternative fuels e.g. bio-fuels. ✓✓
They can manufacture more diesel powered motors as diesel emits less CO2 ✓✓
Manufacture more hybrid vehicles ✓✓
The use of catalytic converters ✓✓ (Any ONE) (1 x 2) (2)
2.4.4
At 06h00 there will be high levels of pollution concentration experienced on the surface ✓✓ due to the descending air from the high pressure system ✓✓ and the greater subsidence as air is cold, heavy and dense early in the morning ✓✓
As the sun rises the pollution concentration will become less concentrated ✓✓ due to the convection streams lifting the air from the surface ✓✓
At dusk approximately 18h00 the pollutants will become more concentrated near the surface again ✓✓ because of the earth surface cooling off and descending air starting to dominate once more ✓✓ [THE TIME OF DAY WITH REASON SHOULD BE MARKED.] (Any TWO times of the day with a reason.) (4 x 2) (8)
Gap town may develop and the area is a point of nodality ✓✓ (Any TWO) (2 x 2) (4)
2.5.4 The river existed before the folding process. ✓✓ (1 x 2) (2) 2.5.5
Rate of downward erosion is the same as the rate at which the landscape changes ✓✓
Drainage area is located in a high rainfall area ✓✓
Rocks less resistant over which the river flows, thus easier to erode ✓✓ (2 x 2) (4)
2.6 2.6.1 There is less than a 1 000 cubic meters of water per person per year. ✓(1 x 1) (1) 2.6.2 Population grows ✓ Growth of the economy (mining, industry and commercial agriculture) ✓ (2 x 1) (2) 2.6.3 Undeveloped mountain catchment ✓ Natural filtering effects of the wetlands of the Lesotho Highlands. ✓ (2 x 1) (2) 2.6.4
Eutrophication resulting from use of pesticides in crop farming ✓✓
Poor farming techniques causing soil erosion, resulting in increased sediment load in dams and rivers ✓✓
Reducing storage capacity of dams ✓✓
Increased irrigation reduces amounts of storage water ✓✓ (Any TWO) (2 x 2) (4)
2.6.5
Building of smaller dams in remote areas ✓✓
Control and repairing of leakages in pipes of households ✓
Implementing of fines if agreed water capacity is reached ✓✓
Strategies to regulate the water table levels through regular inspection ✓✓
Implement re-use strategies in water scarce areas ✓✓
Regular treatment of water to ensure high quality of water ✓✓
Dilution of polluted water ✓✓
Protecting of wetlands, which naturally purifies water ✓✓
Encourage and promote better farming techniques and management to reduce soil erosion and eutrophication ✓✓
Awareness programmes ✓✓ (Any FOUR) (4 x 2) (8)
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QUESTION 3 3.1 3.1.1 C ✓ 3.1.2 A ✓ 3.1.3 F ✓ 3.1.4 D ✓ 3.1.5 B ✓ 3.1.6 F ✓ 3.1.7 F ✓ (7 x 1) (7) 3.2 3.2.1 C ✓ 3.2.2 D ✓ 3.2.3 A ✓ 3.2.4 B ✓ 3.2.5 D ✓ 3.2.6 C ✓ 3.2.7 A ✓ 3.2.8 B ✓ (8 x 1) (8) 3.3 3.3.1 They do not own the land ✓ The want land security first ✓ (Any ONE) (1 x 1) (1) 3.3.2
Land ensures food security through production process ✓✓
Growing of crops have monetary advantages for families and the community ✓✓
Small scale farming will increase the status of the farmer and his family ✓✓
Cultivation of the land will increase skills and farming knowledge ✓✓ (Any TWO) (2 x 2) (4)
They should ensure that the environmental capacity of the soil is sufficient to sustain communities. ✓✓
State support to kick start development on the land given to communities. ✓✓
Agricultural training and support to make farming land productive. ✓✓
The establishment of forums so that communities can discuss how the land must be distributed and used. ✓✓
Government funding for agriculture especially small scale farming. ✓✓
Better monitoring and evaluation of land reform policies ✓✓
Remove gaps in current policies, which compromise effective implementation of land reform programmes ✓✓
Consensus amongst political parties on land reform debate ✓✓
Incentives for previous commercial farmers to support and mentor the new farmers ✓✓ (Any FOUR ) (4 x 2) (8)
3.4 3.4.1 Grid-iron/block street pattern ✓ (1 x 1) (1) 3.4.2
Easy to find places ✓
Easy to establish on flat land ✓
Easy to sub-divide plots ✓
Easy to layout/plan ✓ (Any ONE) (1 x 1) (1)
3.4.3 Many intersections which halt the flow of traffic (gridlocked). ✓✓ (1 x 2) (2) 3.4.4
Synchronised robots will ensure quick movement on a regular basis ✓✓
One way streets will make all vehicles move in the same direction, without unnecessary delays in stops ✓
Building of more fly overs streets will decrease volumes on the main roads ✓✓
Better public transport system with special bus lanes to encourage people to use public transport more ✓✓
Encourage people to make use of lift clubs to decrease the amount of vehicles on the roads ✓✓
Park and ride facilities ✓✓ (Any TWO) (2 x 2) (4)
3.4.5 Roads are damaged e.g. potholes ✓✓ Structural damage to bridges ✓✓ (Any ONE) (1 x 2) (2) 3.4.6
Air pollution increased due to more industrial activities and increased vehicles. ✓
Reduced visibility due to more pollution. ✓✓
Increase in heat of city/urban heat island develops ✓✓
Fertile soil had to make way for more building structures ✓✓
Biodiversity and ecosystems are destroyed due to more structures being constructed ✓✓
Increased CO2 levels may give rise to acid rain ✓✓
Building structures absorb more heat, therefore temperatures will increase creating a heat island. ✓✓ (Any TWO) (2 x 2) (4)
3.5 3.5.1 56,61% ✓✓ (1 x 2) (2) 3.5.2 Gold alone constitutes 39,8% of the total exports of the country ✓✓ Gold exports causes a favourable balance of trade/increases the GDP ✓✓ (Any ONE) (1 x 2) (2) 3.5.3 South Africa imports more manufactured products than it exports. ✓✓ (1 x 2) (2) 3.5.4
Dependence on raw materials and gold which are non-renewable resources ✓✓
Little manufacturing ✓✓
High cost of importing manufactured goods ✓✓
Limited skills in manufacturing. ✓✓ (Any TWO) (2 x 2) (4)
3.5.5
Better skills will increase output in manufacturing ✓✓
Higher beneficiation will increase the value of the export products✓✓
Will decrease imports ✓✓
The economy will be less dependent on gold for exports ✓✓ (Any TWO) (2 x 2) (4)
3.6 3.6.1 Refers to the access that individuals, households, communities and a nation have to nutritious food at any given time ✓ (CONCEPT) (1 x 1) (1) 3.6.2
Rainfall ✓
Soil fertility ✓
Temperatures ✓
Natural hazards ✓ (Any ONE) (1 x 1) (1)
3.6.3
Low rainfall leads to drought/lack of water for irrigation ✓✓
Infertile soil prevents the cultivation of crops and leads to lower yields ✓✓
Too high or low temperatures can cause crop failure/poor cattle quality ✓✓
Natural hazards destroys crops/livestock resulting in lack of food. ✓✓ (Any ONE) (1 x 2) (2)
3.6.4
Create employment ✓✓
Encourage commercial farming e. g. irrigation schemes, GM crops etc. ✓✓
Agro processing of raw agricultural products ✓✓
Integrated Food Security Strategy (IFSS) to increase food production and trading ✓✓
Insurance to provide money for imports ✓✓ (Any TWO) (2 x 2) (4)
3.6.5
More money spent on imports to feed the people ✓✓
More money spent on social grants to assist the needy, e.g. food parcels ✓✓
Food insecurity will lead to an unproductive working force which can decrease production in all sectors of the economy ✓
GDP will decrease as there is more spending on safety nets ✓
Products produced will be used to feed the hungry, thus less raw materials for industries ✓
Negative impact on industrial output and exports ✓✓ [NOTE: Candidates can take ONE point and expand on it.] Example
More investment in safety nets ✓✓ leads to less money available for education, ✓✓which decreases knowledge and skills, ✓✓ which leads to decrease in manufacturing, ✓✓ that leads to less exports and earning less foreign exchange, ✓✓ making the GDP decrease. ✓✓ (Any FOUR) (4 x 2) (8)
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QUESTION 4 4.1 4.1.1 G ✓ 4.1.2 E ✓ 4.1.3 H ✓ 4.1.4 C ✓ 4.1.5 A ✓ 4.1.6 D ✓ 4.1.7 B ✓ 4.1.8 I ✓ (8 x 1) (8) 4.2 4.2.1 E ✓ 4.2.2 F ✓ 4.2.3 A ✓ 4.2.4 H ✓ 4.2.5 B ✓ 4.2.6 D ✓ 4.2.7 C ✓ (7 x 1) (7) 4.3 4.3.1 Nucleated/clustered ✓ (1 x 1) (1) 4.3.2 Houses are close to one another. ✓ (1 x 2) (2) 4.3.3
Availability of water for farming ✓✓
Availability of fertile soil to grow crops ✓✓
Flat land which is conducive for farming ✓✓
Availability of trees for fuel/building material ✓✓
Site selected away from river as flooding might be a danger ✓✓ (Any TWO) (2 x 2) (4)
4.3.4 Advantages
Farmer can use his own initiative ✓✓
Farmer can use machinery extensively ✓✓
Farmer do not have to share profits ✓✓
Mechanisation can be introduced ✓✓ (Any ONE)
Disadvantages
Unsafe because of farm attacks ✓✓
Farmer is away from social contact and entertainment ✓✓
Transport to buy stock and other essentials may be costly✓✓
No support e.g. sharing of equipment ✓✓ (Any ONE) (2 x 2) (4)
4.3.5
Machinery will cultivate larger areas increasing productivity ✓✓
Areas of low water supply can be irrigated ✓✓
Use of pesticides will protect crops ✓✓
Contour ploughing will decrease soil erosion ✓✓
Crop rotation will retain soil nutrients for longer ✓✓
Specialisation will increase productivity of the crops ✓✓ (Any TWO) (2 x 2) (4)
4.4 4.4.1 Urban decay/dilapidated buildings ✓ (1 x 1) (1) 4.4.2 Transition zone/Zone of decay ✓ (1 x 1) (1) 4.4.3
Unemployment ✓
Poverty ✓
Lack of rental payment ✓
Overcrowding ✓
Crime ✓
Vandalism/graffiti ✓
Gangsterism ✓ (Any ONE) (1 x 1) (1)
4.4.4
Less land becomes available in the CBD ✓✓
CBD will soon expand into the zone of decay ✓✓
Demand/competition for land increases the land value ✓✓ (Any TWO) (2 x 2) (4)
4.4.5
Intensive policing to reduce criminal activity. ✓✓
Improve the quality of services ✓✓
Strict enforcement of by-laws e. g. overcrowding ✓✓
Management of taxis and informal trading ✓✓
Upgrading and maintenance of infrastructure to create an aesthetically pleasant environment for businesses and residents ✓✓
Discourage the abandonment of buildings and overcrowding which decrease the value of buildings ✓✓
Encourage gentrification, where young adults renew flats and move back to the city centre ✓✓
Rebuild the buildings according to needs of possible investors ✓✓
Maintain facades and change building structure behind it ✓✓
Decrease density by demolishing some of the building structures. ✓✓
Create open spaces/parks to increase aesthetic appeal ✓✓
Variety of entertainment activities to attract tourists ✓✓ (Any FOUR) (4 x 2) (8)
4.5 4.5.1 ‘… the country may end up importing the grain if it gets more export orders …’ ✓ (1 x 1) (1) 4.5.2 Consumption and exports are almost equal to production ✓ (1 x 1) (1) 4.5.3 Japan/Taiwan/South Korea ✓ (1 x 1) (1) 4.5.4
Unreliable and erratic rainfall patterns ✓✓
Thundershowers/hail could destroy crops ✓✓
Natural hazards such as droughts/El Nino ✓✓
Water shortages ✓✓
Declining soil fertility ✓✓
Pests and diseases ✓✓
Population growth ✓✓ (Any TWO) (2 x 2) (4)
4.5.5
To keep trade relationships between countries open ✓✓
Secure employment ✓✓
Earn foreign exchange which might balance the imports ✓✓
Maize farms are market driven and privately owned, therefore profit is the main concern. ✓✓ (Any TWO) (2 x 2) (4)
4.5.6
More imports of maize will increase the costs of maize related products which the poor cannot afford. ✓✓
The finances use to balance the deficit might create job losses in another sector. ✓✓
Inflation may rise, which have a negative effect on monetary value ✓✓
The health of poor people may suffer because of a lack of a balanced diet ✓✓ (Any TWO) (2 x 2) (4)
4.6 4.6.1 Candidates may mention ANY one example of an informal activity for ONE mark each. (1 x 1) (1) 4.6.2
It provides income for those that cannot find jobs in the formal sector ✓✓
Allows for entrepreneurship ✓✓
Sell goods at lower prices ✓✓
Poorer communities have access to food ✓✓ (Any ONE) (1 x 2) (2)
4.6.3
More people drawn to cities ✓✓
Increased urban population resulted in more people to feed ✓✓
Markets for informal traders were created around industrial sites ✓✓ (Any TWO) (2 x 2) (4)
4.6.4
The businesses remain unregistered ✓✓
No records of income received ✓✓
No taxes are paid. ✓✓
Country does not receive income from informal traders ✓✓
Could result in negative/deficit in GDP ✓✓
Income goes directly to the business owners. ✓✓ (Any FOUR) (4 x 2) (8)