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GCE JUN 2009 : (AS 1) Themes in Physical Geography

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Centre Number 71 Candidate Number ADVANCED SUBSIDIARY (AS) General Certificate of Education 2009 Geography assessing Module 1: Themes in Physical Geography ASG11 Assessment Unit AS 1 [ASG11] FRIDAY 5 JUNE, MORNING TIME 1 hour. INSTRUCTIONS TO CANDIDATES Write your Centre Number and Candidate Number in the spaces provided at the top of this page. Answer all three questions in Section A and any two questions from Section B. Write your answers to Section B on the lined paper at the end of this booklet. INFORMATION FOR CANDIDATES The total mark for this paper is 60. Quality of written communication will be assessed in all questions. Figures in brackets printed down the right-hand side of pages indicate the marks awarded to each question or part question. For Examiner s use only Question Number 1 2 3 4 5 6 Total Marks 4671 Marks Section A Examiner Only Marks Remark Answer all three questions in this section 1 (a) Study Resource 1A showing the amount of sediment carried in suspension by eight rivers in south-east Asia and Oceania. RESOURCE 1A Mean annual suspended sediment yield (tonnes/km/year) Country River China Dali 25,600 Taiwan Tsengwen 28,000 China Huangfuchaun 53,500 New Guinea Aure 11,126 New Zealand Hikuwai 13,890 Indonesia Cilutung 12,000 New Zealand Waiapu 19,970 New Zealand Waingaromia 17,340 (i) In the drainage basin system, what is suspended sediment? ________________________________________________________ ________________________________________________________ ________________________________________________________ _____________________________________________________ [2] (ii) Calculate the range of mean annual suspended sediment for the rivers shown in Resource 1A. Range _______________ tonnes/km/year [1] (iii) Outline one possible reason why some rivers have more suspended sediment than others. ________________________________________________________ ________________________________________________________ ________________________________________________________ _____________________________________________________ [2] 4671 2 [Turn over (b) Study the photograph of a waterfall in Swaledale, Yorkshire shown in Resource 1B. Examiner Only Marks Remark RESOURCE 1B Study the Earth Unit 1 water at W ork by MA Atherton and RER Robinson published by Hodder & Stoughton Ltd 1980 ISBN 034023945X. Reproduced by kind permission of Hodder Education With reference to the relevant river processes, describe how a waterfall develops over time. _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _______________________________________________________ [4] 4671 3 [Turn over (c) Study Resource 1C showing the average % of precipitation intercepted by different types of vegetation/land use. Examiner Only Marks Remark RESOURCE 1C Vegetation/land use Interception % Ploughed land Deciduous woodland (winter) 15 Wheat (ready to harvest) 20 Grassland 25 Deciduous woodland (summer) 30 Coniferous forest W 0 40 ith reference to Resource 1C, explain the trend of increasing interception percentage. _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ ___________________________________________________ [3] 4671 4 [Turn over BLANK PAGE (Questions continue overleaf) 4671 5 [Turn over 2 (a) Study Resource 2 showing the relationship between biomass and trophic level in an ecosystem. RESOURCE 2 Biomass (Tertiary consumers) (Secondary consumers) Trophic level 4 Trophic level 3 (Primary consumers) Trophic level 2 Trophic level 1 Producers Examiner Only Marks Remark (i) In an ecosystem, what is transferred through the trophic structure? ___________________________________________________ [1] (ii) In an ecosystem, what is the biomass? _____________________________________________________ _____________________________________________________ _____________________________________________________ ___________________________________________________ [2] (iii) Explain why the amount of biomass decreases between successive trophic levels. _____________________________________________________ _____________________________________________________ _____________________________________________________ ___________________________________________________ [2] 4671 6 [Turn over (b) (i) In the box below, draw an annotated soil profile diagram to show four characteristics of a mollisol/chernozem. Examiner Only Marks Remark [4] (ii) Explain why mollisol/chernozem soils are naturally fertile. _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ ___________________________________________________ [3] 4671 7 [Turn over 3 (a) Study Resource 3A showing a weather system situated over Western Europe. Examiner Only Marks Remark RESOURCE 3A 101 6 1020 5 4 102 28 10 6 6 8 1032 1028 4 10220 10 1016 0 102 4671 8 [Turn over (i) What type of weather system is shown in Resource 3A? Examiner Only Marks Remark ___________________________________________________ [1] (ii) 1. Explain two pieces of evidence from Resource 3A to justify your choice of weather system. ___________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ 2. ___________________________________________________ _____________________________________________________ _____________________________________________________ ___________________________________________________ [4] (b) Explain the main factor controlling wind speed. _________________________________________________________ _________________________________________________________ _________________________________________________________ _______________________________________________________ [2] 4671 9 [Turn over (c) Study Resource 3B showing mean January temperatures ( C) adjusted to sea level. RESOURCE 3B -35 -35 Arctic Circle -30 -25 -20 -40 -30 -150 -1 5 0 50 1 15 20 Tropic of Cancer 25 -25 -20 -15 -10 -5 0 5 10 15 20 30 25 25 30 Equator 30 Tropic of Capricorn 30 20 15 10 5 Atmosphere, weather and climate by Roger G Barry and Richar d J Chorley, Copyright 1987 published by Methuen. Reproduced by permission of Taylor Francis Books UK (i) Using Resource 3B, describe how the global pattern of mean January temperatures is related to latitude. Examiner Only Marks Remark _____________________________________________________ _____________________________________________________ _____________________________________________________ ___________________________________________________ [2] 4671 10 [Turn over (ii) Explain one factor, other than latitude , which influences the temperature pattern shown on Resource 3B. Examiner Only Marks Remark _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ ___________________________________________________ [3] 4671 11 [Turn over Section B Examiner Only Marks Remark Answer any two questions in this section 4 Describe and explain four factors affecting river discharge and the storm hydrograph. [12] 5 With reference to your study of one vegetation succession at a local or regional scale, explain how plant communities develop through a succession of changes. 6 4671 [12] With reference to your case study, describe the effects of a hurricane on people and property. What protective measures were, or could have been, used to reduce loss of life or damage to property? 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APER 4671 23 Permission to reproduce all copyright material has been applied for . In some cases, efforts to contact copyright holders may have been unsuccessful and CCEA will be happy to rectify any omissions of acknowledgement in future if notified. 938-027-1

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Additional Info : Gce Geography June 2009 Assessment Unit AS 1 Module 1: Themes in Physical Geography
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