Geography Grade 11 P2 Eastern Cape November 2014 Memo (Eng)

Downloaded from hlayiso.com NATIONAL SENIOR CERTIFICATE GRADE 11 NOVEMBER 2014 GEOGRAPHY P2 MEMORANDUM MARKS: 75 This memorandum consists of 11 pages.

Downloaded from hlayiso.com 2 GEOGRAPHY P2 (NOVEMBER 2014) SECTION A QUESTION 1: MULTIPLE-CHOICE QUESTIONS The following statements are based on the 1 : 50 000 topographical map 2930 AC HOWICK, as well as the orthophoto map of a part of the mapped area. Various options are provided as possible answers to the following statements. Choose the correct answer and write only the letter (A–D) in the block next to the statement. 1.1 The topographical map reference number represents … A 29°N 30°W. B 29°S 30°E. B C 29°W 30°N. D 29°E 30°S. 1.2 The primary economic activity found at L (block J13) on the topographical map is … A mining. B farming. D C forestry. D quarrying. 1.3 The exact distance between point O and T on the topographical map is … A 31,0 km. B 310 km. D C 3 100 km. D 3,10 km. 1.4 The location (coordinates) of the trigonometrical station number 115 in block I1 is ... A 29°27'43"E 30°00'38"S. B 30°00'38"S 29°27'43"E. D C 30°00'38"E 29°27'43"S. D 29°27'43"S 30°00'38"E. 1.5 The dams that are found in the rural areas of Howick are mainly used for … A recreation. B agricultural purposes. B C industrial purposes. D domestic purposes. Copyright reserved Please turn over

Downloaded from hlayiso.com (NOVEMBER 2014) GEOGRAPHY P2 3 1.6 Identify the physical feature found at 17 on the orthophoto map. A Golf course. B Excavation. D C Marsh and vlei. D Howick Falls. 1.7 The linear feature marked 18 on the orthophoto map is a … A furrow. B telephone line. C C power line. D canal. 1.8 Compared with the 1 : 50 000 map, the scale of the orthophoto photo is ... A 5 times smaller. B 5 times larger. B C 10 times smaller. D 10 times larger. 1.9 Identify the main vegetation type found in block F7. A Woodland B Orchards and vineyards A C Cultivated lands D Game and nature reserves 1.10 The type of road labelled N on the topographical map that links Howick and Harrismith is a/an ... A main road. B arterial route. C C national freeway. D other road. 1.11 The approximate true bearing from trig. beacon 270 north of Greendale Park (block J13) to spot height 1018 (block K15) east of Greendale Park on the topographical map is ... A 70°. B 295°. D C 90°. D 115°. 1.12 The phenomenon, The Dargle in block K1, is a … A geomorphological feature. B farmhouse. B C post office. D farm school. Copyright reserved Please turn over

Downloaded from hlayiso.com 4 GEOGRAPHY P2 (NOVEMBER 2014) 1.13 The landform between 22 and 23 on the orthophoto map, is a/an … A spur. B river valley. A C saddle. D excavation. 1.14 The man-made feature marked 24 on the orthophoto map is a … A dam wall. B river. A C bridge. D silo. 1.15 The two types of scale shown on the topographical map are … A a line scale and a word scale. B a line scale and a ratio scale. B C a word scale and a ratio scale. D a line scale and a Richter scale. (15 x 1) (15) TOTAL SECTION A: 15 Copyright reserved Please turn over

Downloaded from hlayiso.com (NOVEMBER 2014) GEOGRAPHY P2 5 SECTION B QUESTION 2: MAPWORK TECHNIQUES AND CALCULATIONS Consult the topographical map and answer the following questions. You may use the orthophoto map. 2.1 Identify the following landforms (features) on the topographical map: 2.1.1 V (block A / B15): Ridge 3 (1) 2.1.2 W (block K15): Gorge 3 (1) 2.2 The Howick Mountain Climbing Club intends to host a mountain climbing expedition to Beacon Hill (20 on the orthophoto map). They will start the climb at 19 on the orthophoto map (at contour reading 1090) and proceed to trigonometrical station Δ270 (20 on the orthophoto map) where they will complete the climb. 2.2.1 Calculate the average gradient of their climb. Gradient = VI 3 1 182.3 – 1 090 3 VI 3 1 182.3 – 1 090 3 HE 8,2 cm 3 x 100 OR HE 82 mm 3x 10 000 (8,0 – 8,4 cm) (80 – 84mm) 92,3 m 3 92.,3 m 3 820 m 3 820 m 3 = 1 : 8,88 3 = 1 : 8,88 3 (Range: 1 : 8,55 – 1 : 9,10) (6) 2.2.2 Interpret your answer to QUESTION 2.2.1 and give an idea of how strenuous (difficult) the climb will be. For every 8,88 m the hiker will walk the gradient will rise by one 1 m. 3 This means that the hike would be strenuous 3 – hence climbers have to be extremely fit. Difficult hike. 3 Uniformly steep – a fit climber can hike easily. 3 (Any TWO) (2) Copyright reserved Please turn over

Downloaded from hlayiso.com 6 GEOGRAPHY P2 (NOVEMBER 2014) 2.3 Study the cross-section of the climb between 19 (at contour reading 1090) and 20 (trigonometrical station Δ270). 2.3.1 Calculate the vertical exaggeration of the cross-section. Show all your calculations. VS/HS 3 OR = 1/20 3÷ 1 : 500 3 = 1/2 000 3÷ 1/50 000 3 = 1/20 x 500/1 3 = 1/2 000 x 50 000/1 3 = 25 times 3 = 25 times 3 (5) 2.4 Calculate the area of blocks I, J and K1, 2 and 3 in km² on the topographical map. Measurement range: length – 11,3 cm to 9,6 cm breath – 10,9 cm to 9,2 cm Area = L x B 3 = (11,1 cm x 0,5) km 3 x (9,6 cm x 0,5) 3 = 5,55 km x 4,80 km 3 = 26,64 km² 3 (Range is 25,07 km² to 27,12 km²) (5) TOTAL SECTION B: 20 Copyright reserved Please turn over

Downloaded from hlayiso.com (NOVEMBER 2014) GEOGRAPHY P2 7 SECTION C QUESTION 3: MAP INTERPRETATION AND ANALYSIS 3.1 The hilly landscape of the Kwa-Zulu Natal Midlands (Howick), provides a good example of hilly topography associated with horizontal layered rocks. 3.1.1 Identify the landform feature marked M in block G9 on the topographical map. Conical hill 3 (1 x 1) (1) 3.1.2 These features can be of considerable value to human beings. What are the slopes used for between 20 and 19 on the orthophoto map? Agriculture 3 (1 x 1) (1) 3.2 Mass wasting occurs in this hilly landscape of Howick. Describe TWO factors that increase a slopes potential for mass movement. Gradient of a slope 3 – steeper slope 3 Rock structure 3 – less resistant rock 3 Vegetation 3 – sparse vegetation 3 Soils 3 – thin, sandy, non-porous soils 3 Climate 3– heavy rainfall 3 People 3– actions of people 3 Tremors 3 – movement of ground 3 (Any TWO) (2 x 2) (4) 3.3 Identify the following features labelled Q and T on the topographical map. Q = Farm fences/Original farms 3 T = Marshes and swamps 3 (1 + 1) (2) Copyright reserved Please turn over

Downloaded from hlayiso.com 8 GEOGRAPHY P2 (NOVEMBER 2014) 3.4 Management strategies on the farm labelled R found at Mac Leay in block J11 on the topographical map have been carried out. State THREE ways in which these strategies have prevented and controlled soil erosion. Contour ploughing 33 Strip cropping 33 Afforestation 33 Not ploughing on steep slopes 33 Crop rotation 33 Windbreaks 33 Fallowing 33 Filling in dongas 33 Avoid overgrazing 33 Fertilisers 33 Vegetation along rivers 33 Retain soil cover – dry season 3 [Any THREE] (3 x 2) (6) 3.5 The power supply of many towns/cities comes from the main electricity grid. 3.5.1 How many power lines feed the town of Howick to the south on the orthophoto map? 33 (1 x 1) (1) 3.5.2 What is the non-renewable source of energy from which Howick’s electricity comes? Coal 33 (1 x 2) (2) 3.6 The town of Howick has a huge potential for development and sustainability in the area. Identify any THREE features found on the topographical map that will attract tourists to the area. Rivers 33 Waterfalls 33 Nature reserves 33 Woodlands 33 Golf courses 33 Dams 33 Mountains 33 (Any THREE) (3 x 2) (6) Copyright reserved Please turn over

Downloaded from hlayiso.com (NOVEMBER 2014) GEOGRAPHY P2 9 3.7 Give ONE piece of evidence from the topographical map which indicates that environmental conservation is practised in Howick by the inhabitants. There are areas marked nature conservation e.g. Umgeni Nature Reserve. 33 Marshes are protected. 33 (Any ONE) (1 x 2) (2) TOTAL SECTION C: 25 Copyright reserved Please turn over

Downloaded from hlayiso.com 10 GEOGRAPHY P2 (NOVEMBER 2014) SECTION D QUESTION 4: GEOGRAPHICAL INFORMATION SYSTEMS (GIS) 4.1 Which data storage model, Vector or Raster, comes closest to the topographical map as we know it? Vector 3 (1 x 1) (1) 4.2 Answer the following on spatial resolution. 4.2.1 Define the term spatial resolution. Refers to the detail with which a map depicts the location and shape of the feature. 3 (CONCEPT) (1 x 1) (1) 4.2.2 Does the orthophoto map or the topographical map have a higher spatial resolution? Orthophoto map 3 (1 x 1) (1) 4.3 Data integration is combining different types of data for the purpose of decision-making. Discuss TWO types of data that a farmer in block I2 will consider before cultivation. Availability of water 33 Fertility of soil 33 Relief of the land (slope) 33 Microclimate 33 Access to infrastructure 33 Access to transport 33 (Any TWO. Accept other logical answers) (2 x 2) (4) 4.4 GIS is useful in disaster management. Explain how it would have assisted the local authorities with planning after flooding in the Howick area. Check service delivery shortfalls after a flood 33 Route planning to supply relief 33 Analyse the quality of service 33 Relief coordination 33 Prioritising relief 33 Satellite pictures to assess the destruction 33 (Any THREE. Accept others) (3 x 2) (6) Copyright reserved Please turn over

Downloaded from hlayiso.com (NOVEMBER 2014) GEOGRAPHY P2 11 4.5 Give TWO examples of spatial data found on the topographical map and orthophoto map. Roads 3 Rivers 3 Houses and buildings 3 Parks 3 Dams 3 (Any TWO. Accept others) (2 x 1) (2) TOTAL SECTION D: 15 GRAND TOTAL: 75 Copyright reserved Please turn over