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GCE JAN 2007 : (AS 1) Themes in Physical Geography

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Centre Number 71 Candidate Number ADVANCED SUBSIDIARY (AS) General Certificate of Education January 2007 Geography Assessment Unit AS1 Module 1: Themes in Physical Geography 11GSA assessing [ASG11] THURSDAY 18 JANUARY, AFTERNOON 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 the 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 ASG1W7 2797 Marks Section A Examiner Only Marks Remark Answer all three questions in this section 1 (a) (i) What is meant by the term drainage basin? _____________________________________________________ __________________________________________________ [1] (ii) Describe how matter is transferred in the drainage basin system by the process of solution (corrosion). _____________________________________________________ _____________________________________________________ _____________________________________________________ __________________________________________________ [2] (b) Study Resource 1A, which shows the percentage increase in runoff in a drainage basin over a period of time following deforestation. RESOURCE 1A forest replanted forest felled forest replanted forest felled period of regrowth Increase in runoff (%) 20 15 10 5 0 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 Years ASG1W7 2797 2 [Turn over (i) Using Resource 1A, explain how runoff changed over time. Examiner Only Marks Remark _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ __________________________________________________ [4] (ii) Explain why runoff is more rapid in an urbanised drainage basin than in a forested basin. _____________________________________________________ _____________________________________________________ _____________________________________________________ __________________________________________________ [2] ASG1W7 2797 3 [Turn over (c) Study Resource 1B, which shows rainfall and discharge for the River Itchen in S. England for a 10 month period. Examiner Only Marks Remark RESOURCE 1B 7 6 20 5 Daily rainfall 4 3 10 2 Daily rainfall (mm) River discharge (cumecs) 30 River discharge 8 1 0 0 Jan Feb Mar Apr May Jun Jul Aug Sep Oct (i) In which months was the river discharge at its highest and lowest? Highest _______________________________________________ Lowest ____________________________________________ [1] (ii) Explain why discharge began to increase in the middle of May, when there had been no rainfall for about 3 weeks. _____________________________________________________ _____________________________________________________ _____________________________________________________ __________________________________________________ [2] ASG1W7 2797 4 [Turn over BLANK PAGE (Questions continue overleaf) ASG1W7 2797 5 [Turn over 2 (a) Study Resource 2, which shows the nutrient cycling model for midlatitude grasslands. Examiner Only Marks Remark RESOURCE 2 B X L Y S Key for nutrient stores S = soil B = biomass L = litter (i) With reference to the nutrient cycling model, define the term biomass. _____________________________________________________ _____________________________________________________ _____________________________________________________ __________________________________________________ [2] (ii) Identify the nutrient transfers X and Y on Resource 2. Transfer at X _______________________________________ [1] Transfer at Y _______________________________________ [1] ASG1W7 2797 6 [Turn over (iii) With reference to mid-latitude grasslands, explain the sizes of the three nutrient stores. Examiner Only Marks Remark _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ _____________________________________________________ __________________________________________________ [4] (b) Explain how one type of human activity can produce a plagioclimax. Human activity __________________ [no mark] Explanation _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ ______________________________________________________ [4] ASG1W7 2797 7 [Turn over 3 (a) Study Resource 3A, which shows the solar radiation balance at the earth s surface in the northern hemisphere. Examiner Only Marks Remark RESOURCE 3A 2.5 Radiation (105langleys/yr) 2.0 SURPLUS Outgoing 1.5 Incoming DEFICIT 1.0 0.5 Outgoing radiation Incoming radiation 0 90 (Pole) 60 N 30 N 0 (Equator) (i) Which latitude receives the greatest surplus of incoming solar radiation? __________________________________________________ [1] (ii) At what latitude does the surplus of incoming solar radiation change to a deficit? __________________________________________________ [1] (iii) Name one horizontal and one vertical heat transfer mechanism. Horizontal transfer __________________________________ [1] Vertical transfer _____________________________________ [1] ASG1W7 2797 8 [Turn over (b) Study Resource 3B, which shows the number of hurricanes per decade hitting the island of Montserrat. Examiner Only Marks Remark RESOURCE 3B N 300 km USA The Bahamas Dominican Rep. Cuba Haiti 4 Honduras North Atlantic Ocean Puerto Rico Jamaica Montserrat Caribbean Sea Hurricanes per decade Nicaragua 3 Costa Rica Panama Colombia Venezuela 2 1 0 1650 1700 1750 1800 1850 Year 1900 1950 2000 (i) With reference to Resource 3B, describe the pattern of hurricane frequency for Montserrat. _____________________________________________________ _____________________________________________________ _____________________________________________________ __________________________________________________ [2] (ii) Suggest one possible reason why there have been periods of up to 20 years during which Montserrat experienced no hurricanes. _____________________________________________________ __________________________________________________ [1] ASG1W7 2797 9 [Turn over (iii) With reference to a named hurricane event, describe how two protective measures were used to reduce loss of life and damage to property. Examiner Only Marks Remark Name of hurricane __________________________________ [1] 1st measure _____________________________________________________ _____________________________________________________ _____________________________________________________ __________________________________________________ [2] 2nd measure _____________________________________________________ _____________________________________________________ _____________________________________________________ __________________________________________________ [2] ASG1W7 2797 10 [Turn over BLANK PAGE (Questions continue overleaf) ASG1W7 2797 11 [Turn over Section B Examiner Only Marks Remark Answer any two questions from this section 4 With the aid of annotated diagrams, describe and explain how river processes lead to the formation of any two of the following river features: (i) oxbow lakes; (ii) levees; (iii) waterfalls. [12] 5 The ecosystem is an open system involving the transfer of energy and matter. Discuss this statement with reference to your case study of a local scale ecosystem. [12] 6 Describe how frontal depressions develop and explain their impact on people and property. [12] ASG1W7 2797 12 [Turn over Number your answers clearly Question Number ASG1W7 Examiner Only Marks 2797 13 Remark [Turn over Number your answers clearly Question Number ASG1W7 Examiner Only Marks 2797 14 Remark [Turn over Number your answers clearly Question Number ASG1W7 Examiner Only Marks 2797 15 Remark [Turn over Number your answers clearly Question Number ASG1W7 Examiner Only Marks 2797 16 Remark [Turn over Number your answers clearly Question Number ASG1W7 Examiner Only Marks 2797 17 Remark [Turn over Number your answers clearly Question Number ASG1W7 Examiner Only Marks 2797 18 Remark [Turn over Number your answers clearly Question Number ASG1W7 Examiner Only Marks 2797 19 Remark [Turn over 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. S 10/06 2600 9-025-1

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Additional Info : Gce Geography January 2007 Assessment Unit AS 1 Module 1: Themes in Physical Geography
Tags : General Certificate of Education, A Level and AS Level, uk, council for the curriculum examinations and assessment, gce exam papers, gce a level and as level exam papers , gce past questions and answer, gce past question papers, ccea gce past papers, gce ccea past papers

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