Location map: Location of Lesseyton in South Africa
QUESTION 1 ATLAS USE, MAP ORIENTATION AND TECHNIQUES
1. Refer to the location map above, as well as the composite 1:50 000 topographic map
extract 3126 to answer the following questions. Tick the correct box.
1.1. The line marked Y-Y represent the line of
(1)
Latitude
Longitude
Prime Meridian
Altitude
1.2. The line marked Z-Z on the location map above is: ...
Latitude
Longitude
Prime Meridian
Altitude
(1)
1.3. The neighbouring country labelled B on the location map above is …
(1)
Botswana
Lesotho
Namibia
Eswatini
1.4. The province labelled D on the location map above is …
(1)
Eastern Cape
Free State
Gauteng
North West
1.5. The ocean current to the East of South Africa is…
(1)
Indian
Pacific
Atlantic
Aghulas
1.6. The compass direction of Lesseyton from Namibia is….
Northeast
Southeast
Northwest
Southwest
1.7. In which direction is Lesseyton River flowing? Give a reason for your answer.
(2)
1.8. The landform in E1 is called?
(1)
Mesa
Butte
Valley
Spur
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1.9. Give TWO height symbols that can identify on the feature in E1.
(2)
2. Geographic techniques
Refer to the 1:50 000 topographic map extract 3126 to answer the following questions.
2.1. Calculate the length (in kilometers) of the road N6 from block A1 to E4. Show
your working.
(3)
1.2.5
The altitude of the Hennie Steyn Bridge is
m.
1.3
Cross-section
1.3.1
Draw a cross section from 1436 marked C to spot height 1305 marked D.
Use a vertical interval of 1 cm = 100 m.
(1)
(5)
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1.3.2
Fill in and label the position of the following on the cross section:
•
•
•
•
•
1.3.3
secondary road
the built up area
cultivated area
main road
railway line
(5)
Determine the vertical scale of the cross section as a representative fraction.
(1)
1:
1.3.4
Calculate the vertical exaggeration for the cross section on page 5.
(4)
times
Calculations
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1.3.5
Gradient
Refer to the composite 1:50 000 topographic map extract 3025 BD and DB; 3026 AC and CA
BETHULIE.
Calculate the average gradient from trigonometrical station 145 marked A to spot height
1315 marked B
(a) Difference in
height:
(b)
Distance between
(c) the two points:
Gradient:
m
(1)
m
(1)
(2)
1:
Calculations
QUESTION 2 DRAINAGE AND FLUVIAL FEATURES
2.1
Refer to Figure 1 below which is a small drainage basin that has been redrawn in Figure 1,
and part of it is shown on the topographic map.
5
6
v
7
8
E
v
F
v
Figure 1 Drainage Basin
2.1.1
Identify the dominant drainage pattern in Figure 1.
(1)
2.1.2
Draw in and label the drainage basin boundary in Figure 1.
(2)
2.1.3 Order the streams in the drainage basin (on Figure 1, up to the point P where the main
stream flows into the Gariep Dam). Complete Table 1 to show the stream order and the
number of tributaries of each order.
(3)
Table 1: Stream ordering
Stream order
1
2
3
Number of
tributaries
2.1.4
Calculate the bifurcation ratio of the river shown in Figure 1 (page 7).
(4)
Bifurcation ratio:
Calculations
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2.1.5
Use the information on Figure 1 (page 5) calculate the drainage density of the
drainage basin.
(4)
km/km2
Drainage density:
Calculations
2.1.6 The drainage density of this river system is … (as shown in Figure 1, page 6)
Tick the correct answer.
(1)
low
medium
coarse
very high
2.2
Refer to Figure 2 below, which shows the outline of Bethulie Dam, and the topographic
map extract. (The squares on Figure 2 correspond with those on the topographic map)
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Figure 2 – Bethulie Dam
2.2.1 The municipality is looking to increase the storage capacity of the Bethulie Dam.
This will raise the water level causing the surface area to increase by 200m.
Draw in this 200m increase all the way around the edge of the Bethulie Dam.
2.2.2
2.2.3
(4)
Identify TWO facilities/activities that will be affected by the increased surface area
of the dam.
(2)
Explain how the facilities/activities your identified in 2.2.2 will be affected.
(2)
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QUESTION 3
PHOTOGRAPH ANALYSIS AND FLUVIAL FEATURES
Refer to the composite 1:50 000 topographic map extract 3025 BD and DB; 3026 AC and CA
BETHULIE and the accompanying 1:10 000 aerial photograph. The area shown in the aerial
photograph is marked by a red block on the topographic map extract.
3.1
FOUR features (A to D) have been labelled on the accompanying 1:10 000 aerial
photograph. Identify these features.
(4)
A
B
C
D
3.1.2
The aerial photograph was taken at approximately … (Tick the correct option/ time.)
(1)
08:00
10:00
12:00
14:00
3.1.3
Provide ONE reason for your answer in Question 3.1.2.
(1)
3.2
Refer to Figure below, which is a an aerial photograph of the built up area in block C3
on the topographic map extract.
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Figure 3 - Built up area
3.3.1
Use the table below to compare the built up area shown in Figure 4 with that shown
in the accompanying 1:10 000 aerial photograph.
1:10 000 aerial photograph
(4)
Figure 4
House size
Socio-economic
group
3.3.2 Refer to the topographic map and the figure above (page 9) to Identify the features
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labelled J, L and M on Figure 4.
(3)
J
L
M
QUESTION 4
4.1
FIELD SKETCH
Draw a field sketch of a photograph of the Hennie Steyn Bridge (E6) , shown below,
before it crosses the Gariep Dam in the box on the next page.
(4)
Label the following on the field sketch:
•
Fence
•
Railway bridge
•
Natural vegetation
•
Table-toped mountain
(4)
•
The direction the camera was pointing
(2)
Draw the sketch map with a landscape orientation on the next page so that you can add Labels
on the outside of the sketch.
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(Source: www.sa-veues.co.za)
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Total 85 marks
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