NATIONAL SENIOR CERTIFICATE GRADE 12

Transcription

1 NTIONL SENIOR ERTIFITE GRE 12 GEOGRPHY P2 FERURY/MRH 2011 MEMORNUM MRKS: 100 MRK SORE 100 MRKER SENIOR MRKER HIEF MRKER MOERTOR TOTL 100 This memorandum consists of 10 pages. opyright reserved

2 Geography/P2 2 E/Feb. Mar NS Memorandum RESOURE MTERIL n extract from topographical map 3424 HUMNSORP. Orthophoto map HUMNSORP. 3. NOTE: The resource material must be collected by the schools for their own use. INSTRUTIONS N INFORMTION Fill in your centre number and your examination number in the spaces provided on the cover page. nswer LL the questions in the spaces provided in this question paper. You are supplied with a 1: topographical map 3424 HUMNSORP and an orthophoto map of a part of the mapped area. You must hand in the topographical map and the orthophoto map to the invigilator at the end of this examination session. You must use the blank page at the back of this question paper for all rough work and calculations. o NOT detach this page from the question paper. Show LL calculations. Marks will be allocated for calculations. You may use a non-programmable calculator. The following English terms and their frikaans translations are shown on the topographical map. ENGLISH iggings aravan park Sewage works Wetland FRIKNS Uitgrawings Karavaanpark Rioolwerke Vlei opyright reserved

3 Geography/P2 3 E/Feb. Mar NS Memorandum QUESTION 1 The questions below are based on the 1: topographical map 3424 HUMNSORP, as well as the orthophoto map of a part of the mapped area. Various options are provided as possible answers to the following questions. hoose the answer and write only the letter ( ) in the block next to each question. 1.1 Jeffreys ay is situated next to the Ocean. tlantic Pacific Indian Mozambique 1.2 The height of the national road in block 4 is 209 m. 346 m. 20,9 m. 297,3 m. 1.3 The direction of X from Y on the topographical map is west. east. north-west. south-west. 1.4 The true bearing (geographic bearing) of X from Y on the topographical map is The word scale of the orthophoto map is 1 cm represents 0,01 km. 1 cm represents 0,1 km. 1 cm represents m. 1 cm represents 10 m. 1.6 Jeffreys ay can be classified as a/an holiday town. industrial town. gap town. break-of-bulk point. opyright reserved

4 Geography/P2 4 E/Feb. Mar NS Memorandum 1.7 The slope between 5 and 6 on the orthophoto map is convex. concave. gentle. steep. 1.8 The order of the stream at the point labelled V on the topographical map is first. second. third. fourth. 1.9 The feature that is found at 34 05,8 S 24 50,2 E/ S E is a furrow. reservoir. wetland. dam Paradise each (G8 and G9) developed a shape. round cross-road linear stellar (10 x 2) [20] opyright reserved

5 Geography/P2 5 NS Memorandum E/Feb. Mar QUESTION ross sections provide geographers with valuable information The diagram below is a cross section drawn from R in block 4 to S in block 7. Indicate the exact location of the following features by means of arrows on the cross section drawn: (a) (b) (c) (d) (e) (f) Power line N2 am Railway line Tracks and hiking trails liff/scarp slope 160 m E 140 m E F 120 m E 100 m 80 m Only ONE track/hiking trail (E) has to be shown. 60 m R S (1 x 6) Is there any intervisibility between points R and S on the cross section? No opyright reserved (6) (1 x 2)

6 Geography/P2 6 E/Feb. Mar NS Memorandum 2.2 alculate the vertical exaggeration of the cross section drawn in QUESTION 2.1. Show LL calculations. Marks will be allocated for calculations. VE = VS HS = 1 X = 1 X = 50 times (4) 2.3 Why are cross sections exaggerated when they are drawn? To see the relief of the landscape (1) 2.4 alculate the average gradient of the main road between benchmark 97,1 and 101,7 in block 10 on the topographical map. Show LL calculations. Marks will be allocated for calculations. QUESTION 3 VI = 101,7 97,1 = 4,6 m HE = (0,9 1,1 cm) x 500 = 450 m 550 m Gradient = VI H = 4,6 500 = 1_ 108,68 = 1 : 108,7 (ccept 1 : 97,8 tot 1 : 119,6) (7) [20] 3.1 Identify the landforms below indicated by letters P, Q and T on the topographical map P Rocky beach/sea cliff/oastal rocks (1 x 2) Q Sandy beach (1 x 2) T Ravine (1 x 2) opyright reserved

7 Geography/P2 7 E/Feb. Mar NS Memorandum 3.2 Refer to the drainage pattern in blocks 6 and Identify the drainage pattern found in blocks 6 and 7. endritic (1 x 2) Give ONE reason for your answer to QUESTION Looks like the branches of a tree Tributaries meet main stream at acute angles [ny ONE] (1 x 2) Name ONE characteristic of the rock type underlying the drainage pattern mentioned in QUESTION Rock with uniform resistance (1 x 2) 3.3 Refer to block G1 on the topographical map Identify the stream channel pattern in block G1. Meandering stream channel pattern (1 x 2) In which course of the stream will the stream channel pattern mentioned in QUESTION be found? Lower reaches (1 x 2) 3.4 Refer to number 10 on the orthophoto map Identify the man-made feature at 10. Industry/Factory (1 x 2) Why is the man-made feature mentioned in QUESTION located at that place? way from built-up area Large tracts of land available Land cheaper on outskirts of the city Next to transport routes [ny TWO] (2 x 2) (4) opyright reserved

8 Geography/P2 8 E/Feb. Mar NS Memorandum 3.5 Refer to the settlement at Sanddrift in block E5 on the topographical map Identify this settlement in terms of its size and function respectively. Size: Isolated farmstead Function: Farming/single functional/primary activity (2 x 2) (4) (a) What type of farming (commercial/subsistence) is practised in this settlement? ommercial (1 x 2) (b) Give TWO reasons for your answer to QUESTION 3.5.2(a). Farms have reservoirs Farms have boundaries Farms are specialised Large areas cultivated [ny TWO] (2 x 2) (4) 3.6 Refer to the residential areas numbered 11 and 12 on the orthophoto map Which ONE of the residential areas 11 and 12 will be a higher income residential area? 11 (1 x 2) Give ONE reason for your answer to QUESTION Larger stands at 11 than at 12 Larger houses at 11 More trees at 11 than at 12 [ny ONE] (1 x 2) 3.7 Refer to 13, which is part of Graslaagte, on the orthophoto map In which land-use zone is Graslaagte situated? Rural-urban fringe (1 x 2) State ONE problem that people living in 13 might experience. ccessibility to Humansdorp's irty roads No station [ny ONE] (1 x 2) [40] opyright reserved

9 Geography/P2 9 E/Feb. Mar NS Memorandum QUESTION hoose a term from OLUMN that matches a description in OLUMN. Write only the letter ( E) next to the question number ( ), for example F OLUMN The raw facts that are collected about a feature Gathering of data about the Earth from a distance, using satellites such as Landsat E OLUMN ata represented by pixels in the form of grid cells or pixels (3 x 2) (6) 4.2 Name any TWO functional elements of GIS. igitilising maps Image processing ata management Spatial analysis [ny TWO] (2 x 2) (4) 4.3 With reference to the term buffering: efine the term buffering. Process of demarcating an area around a feature or an object [oncept] (1 x 2) Explain how buffering can be used to protect the coastal environments visible on the topographical map. reate a buffer zone next to the coast where no development may take place [oncept] (1 x 2) 4.4 Which ONE, the topographical map or the orthophoto map, is an example of vector data? Topographic map (1 x 2) opyright reserved

10 Geography/P2 10 E/Feb. Mar NS Memorandum 4.5 The police have not been able to track a car hijacking gang in the greater Jeffreys ay area. How can they use GIS to narrow their search? heck database to see if any clues left behind by the gang correspond with other crime scenes heck the crime scene and surroundings and see if there is a pattern emarcate the areas within which the crime takes place Research the modus operandi of gangs that were involved in similar crimes [ny TWO. ccept other reasonable answers.] (2 x 2) (4) [20] TOTL: 100 opyright reserved