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GCE JUN 2009 : (AS 1) Physical Geography

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Sp ec Ne ifi w ca tio n 1 2 Centre Number 3 71 4 Candidate Number 5 6 ADVANCED SUbSIDIARy (AS) General Certificate of Education 2009 7 8 9 Geography 11 Assessment Unit AS 1 12 assessing 13 Physical Geography 14 [AG111] 15 AG111 10 FRIDAy 5 JUNE, MORNING 16 17 18 TIME 19 1 hour 30 minutes. 20 21 INSTRUCTIONS TO CANDIDATES 22 Write your Centre Number and Candidate Number in the spaces provided at the top of this page. 23 Section A: candidates must answer this section. 24 Section B: answer all three questions in this section, you should write your answers in the spaces provided in this question paper. 25 Section C: answer any two questions from this section. Write your 26 answers to Section C on the lined paper at the end of this booklet. At the end of the examination your summary of fieldwork and 27 table of data should be attached securely to this paper using 28 the treasury tag supplied. 29 30 INFORMATION FOR CANDIDATES The total mark for this paper is 90. 31 Quality of written communication will be assessed in all questions. 32 Figures in brackets printed down the right-hand side of the pages indicate the marks awarded to each question or part question. 33 34 35 4978 For Examiner s use only Question Marks Number 1 2 3 4 5 6 7 Total Marks Section A Examiner Only Marks Remark Answer this section. Submitted summary of fieldwork and table of data. At the end of the examination these should be attached securely to this paper using the treasury tag supplied. 1 (a) With reference to one potential hazard associated with your fieldwork, discuss how it was identified and the efforts made to manage this risk. _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ ___________________________________________________________ [5] 4978 3 [Turn over (b) (i) Describe in detail two of the primary data collection methods used in your fieldwork. Examiner Only Marks Remark _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _______________________________________________________ [6] (ii) Discuss possible strengths and limitations for one of these methods. _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _________________________________________________________ _______________________________________________________ [3] 4978 4 [Turn over (c) (i) Select one of the following statistical techniques relevant to the aim of your investigation. In the box below apply this technique to your data and, if relevant, comment on the statistical significance of the outcome. Examiner Only Marks Remark Spearman s Rank Correlation Nearest Neighbour Analysis Measures of Central Tendency and Dispersion (mean, median, mode and range) [7] Formulae, significance graphs and tables are provided in Resource 1A and 1B on pages 6 and 7. Chosen Technique: _________________________________________________________ [no mark] 4978 5 [Turn over Resource 1A Spearman s Rank Correlation Equation and Significance Charts 6 d 2 rs = 1 n3 n Formula: where d = the difference in rank of the values of each matched pair n = the number of ranked pairs = the sum of Spearman s Rank Correlation Significance Graph and Table Critical values for rs 5.0p 1.0p Spearman s Rank Correlation Coefficient 1.0 0.1p Significant 0.8 0.6 0.4 99.9% Non-significant 99% 0.2 95% 0.1 4 6 8 10 25 50 100 Degrees of freedom [Number of ranked pairs (n) 2] Critical values of Spearman s Rank Correlation Coefficient, rs Significance level degrees of freedom 0.01 (1%) 4 5 6 7 8 9 10 11 12 15 20 25 30 40 50 4978 0.05 (5%) 0.88 0.83 0.80 0.77 0.72 0.68 0.64 0.60 0.57 0.50 0.47 0.44 0.39 0.35 0.31 1.00 0.96 0.91 0.87 0.84 0.80 0.77 0.74 0.71 0.65 0.59 0.54 0.48 0.43 0.38 6 [Turn over (b) Study Resource 2, which shows the Hjulstrom curves. Examiner Only Marks Remark Resource 2 River velocity (cm sec 1) Flood 1000 Erosion Fast ve cur up kPic ve cur op Dr 100 10 Slow Transportation Sluggish Deposition 1 0.1 Clay Silt Sand Gravel Pebbles Boulders Increasing particle size Source: adapted from widely available sources (i) When a river s velocity is 10 cm sec 1 what is the largest type of particle that can be transported? _______________________________________________________ [1] 4978 10 [Turn over 3 Study Resource 3 showing the energy flow in an ecosystem. Examiner Only Marks Remark Resource 3 Respiration Producers (autotrophs) Consumer 1 Consumer 2 Consumer 3 Plants Herbivores Carnivores Carnivores Omnivores Algae Decomposers Source: adapted from widely available sources (a) Using Resource 3, describe and explain the movement of energy through the named small scale ecosystem you have studied. _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ _____________________________________________________________ ___________________________________________________________ [6] 4978 12 [Turn over (b) Study Resource 4 which shows the cross-section of one of the fronts of a mid latitude depression in the northern hemisphere. Examiner Only Marks Remark Resource 4 West East Temperature ( C) -20 -10 l ta on Fr Altitude -15 -5 ne Zo 0 Cold Sector -20 -15 -10 Temperature ( C) 5 Warm Sector -5 0 5 Ground level Advanced Geography Revision Handbook by Garrett Nagle and Kris Spencer, published by Oxford University Press, 1997, ISBN 0199146683 (i) What type of front is shown in Resource 4? [1] (ii) Using information from Resource 4, describe how temperature changes horizontally (at ground level), and vertically. ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ _________________________________________________ [3] 4978 15 [Turn over Section C Examiner Only Marks Remark Answer any two questions in this section. 5 With reference to a case study of flooding in a large scale drainage basin or its delta, describe and explain the physical and human causes of the flooding. [12] 6 Describe and explain the characteristics of one vegetation succession you have studied. [12] 7 Describe the formation of an anticyclone. Explain the weather associated with a winter anticyclone and discuss its impacts on people. [12] 4978 16 [Turn over Question Number Number your answers clearly ____________________________________________________________________________ ____________________________________________________________________________ ____________________________________________________________________________ ____________________________________________________________________________ ____________________________________________________________________________ ____________________________________________________________________________ ____________________________________________________________________________ ____________________________________________________________________________ ____________________________________________________________________________ ____________________________________________________________________________ ____________________________________________________________________________ ____________________________________________________________________________ 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____________________________________________________________________________ ____________________________________________________________________________ ____________________________________________________________________________ ____________________________________________________________________________ 4978 25 [Turn over THIS IS THE END OF THE QUESTION PAPER 4978 26 [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. 938-048-1

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Additional Info : Gce Geography June 2009 Assessment Unit AS 1 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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