Geography_May_03_GeographySLP2

Geography_May_03_GeographySLP2 - c IB DIPLOMA PROGRAMME...

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GEOGRAPHY STANDARD LEVEL PAPER 2 Friday 16 May 2003 (morning) 1 hour 30 minutes M03/320/S(2) c IB DIPLOMA PROGRAMME PROGRAMME DU DIPLÔME DU BI PROGRAMA DEL DIPLOMA DEL BI 223-024 13 pages INSTRUCTIONS TO CANDIDATES y Do not open this examination paper until instructed to do so. y Answer two questions.
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SECTION A Case studies and examples should be used to illustrate answers and where appropriate, they should be specifically located. Include well drawn, large, relevant maps, sketches, tables and diagrams as often as applicable. A1. Drainage Basins and their Management Either (a) Essay [20 marks] An alluvial river “flows upon a thick accumulation of alluvial deposits constructed by the river itself in earlier stages of its activity”*. Describe and account for the landforms associated with alluvial rivers and discuss the implications for land use. * Strahler and Strahler: Environmental Geoscience (Hamilton) 1974 (This question continues on the following page) – 2 – M03/320/S(2) 223-024
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(Question A1 continued) Or (b) Structured question The diagram shows the changes in velocity and discharge of a river during an episode of flooding. T2 T1 T5 T4 T3 velocity discharge Points T1 to T5 represent the measurements taken at five consecutive and regular periods during the flood episode. [3 marks] (i) Define discharge and describe the relationship between discharge and velocity shown in the diagram. [6 marks] (ii) Draw a labelled flood hydrograph to represent the conditions shown in the diagram. [4 marks] (iii) Identify the factors that could affect the length of the time lag in a flood hydrograph. [7 marks] (iv) Explain the management techniques that are implemented to control the velocity of a river, and the reasons for doing so. – 3 – M03/320/S(2) 223-024 Turn over
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A2. Coasts and their Management Either (a) Essay [20 marks] Using a case study or precise examples, describe the attempts that have been made to manage a coastline that is being eroded. Then, evaluate the success of the measures implemented. Or (b) Structured question The map shows the coastal region of Milford Haven, located in south-west Wales, in the UK. This type of coast is considered to have resulted from a positive change in sea level. Haverfordwest Milford Ha ve n Pe m b ro ke 051 0 kilo m etres [4 marks] (i) Name this type of submergent coast and explain how it differs from a fjord. [6 marks] (ii) Discuss the ways in which changes in sea level can occur. [10 marks] (iii) With reference to the area shown in the map, or to any other area of this type of coastal submergence, discuss the economic advantages and disadvantages of such a coastline. – 4 – M03/320/S(2) 223-024 N
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A3. Arid Environments and their Management Either (a) Essay [20 marks] “Population pressure in semi-arid areas is the main cause of desertification, and, once begun, this process cannot be reversed.” Discuss the validity of this statement with reference to an area or areas that you have studied.
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Geography_May_03_GeographySLP2 - c IB DIPLOMA PROGRAMME...

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