a2as geog revised pp january 2010 as 1 physical geography 6469
TRANSCRIPT
-
8/22/2019 A2AS GEOG REVISED PP January 2010 as 1 Physical Geography 6469
1/28
TotalMarks
71
Centre Number
Candidate Number
New
Specific
atio
n
TIME
1 hour 30 minutes.
5390
For Examinersuse only
Question
MarksNumber
1
2
3
4
5
6
7
INFORMATION FOR CANDIDATES
The total mark for this paper is 90.
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.
INSTRUCTIONS TO CANDIDATES
Write your Centre Number and Candidate Number in the spaces
provided at the top of this page.
Section A: candidates must answer this section.
Section B: answerall three questions in this section.
You should write your answers for Section A and Section B in the
spaces provided in this question paper.
Section C: answer any two questions from this section. Write your
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
table of data should be attached securely to this paper using the
treasury tag supplied.
ADVANCED SUBSIDIARY (AS)General Certif icate of Education
January 2010
Geography
Assessment Unit AS 1assessing
Physical Geography
[AG111]
FRIDAY 15 JANUARY, MORNING
A
G111
-
8/22/2019 A2AS GEOG REVISED PP January 2010 as 1 Physical Geography 6469
2/28
5390 2 [Turn over
Examiner Only
Marks Remark
Section A
Answer th is section
Submitted summary of fieldwork and table of data.
At the end of the examinat ion these should be attached
securely to this paper using the treasury tag supplied.
1 (a) Explain two reasons why your chosen location was selected as
suitable to explore the aim of your fieldwork.
_______________________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
_____________________________________________________ [4]
(b) (i) Explain why statistical analysis is an important stage in the
investigation process.
___________________________________________________
___________________________________________________
___________________________________________________
___________________________________________________
___________________________________________________
_________________________________________________ [3]
-
8/22/2019 A2AS GEOG REVISED PP January 2010 as 1 Physical Geography 6469
3/28
5390 3 [Turn over5390 3 [Turn over[Turn over
(ii) Select one of the following statistical techniques and apply it to
your data using the box provided below. The technique selected
must be appropriate to your aim. Comment on the statistical
significance of the outcome, if relevant. (Formulae, Significance
graphs and tables are illustrated in Resources 1A and 1B on
pages 4 and 5).
l Spearmans Rank Correlation l Nearest Neighbour Analysis
l Measures of central tendency and dispersion
l (Mean, median, mode and range) [7]
Examiner Only
Marks Remark
Chosen Technique: _________________________ Al l stages of your calcu lat ions
should be shown c learly
-
8/22/2019 A2AS GEOG REVISED PP January 2010 as 1 Physical Geography 6469
4/28
5390 4 [Turn over
Resource 1A
Spearmans Rank Correlation Equation and Significance Charts
Formula:
where d = the difference in rank of the values of each matched pair
n = the number of ranked pairs = the sum of
Spearmans Rank Correlation Signi ficance Graph and Table
Critical values forrs
Degrees of freedom [Number of ranked pairs (n) 2]
Critical values of Spearmans Rank Correlation Coefficient, rsSignificance level
4 6 8 10 25 50 100
95%
99%
99.9%
0.1p1.0p5.0p1.0
0.8
0.6
0.4
0.2
0.1
Non-significant
Significant
SpearmansRankCorrelation
Coefficient
rd
n ns
=
1
62
3
degrees of freedom 0.05 (5%) 0.01 (1%)
4 0.88 1.00
5 0.83 0.966 0.80 0.91
7 0.77 0.87
8 0.72 0.84
9 0.68 0.80
10 0.64 0.77
11 0.60 0.74
12 0.57 0.71
15 0.50 0.65
20 0.47 0.59
25 0.44 0.5430 0.39 0.48
40 0.35 0.43
50 0.31 0.38
-
8/22/2019 A2AS GEOG REVISED PP January 2010 as 1 Physical Geography 6469
5/28
5390 5 [Turn over
Resource 1B
Nearest Neighbour Index Equation and Significance Graph
Formula: Rn = 2d
n
A
where d
= the mean distance between nearest neighbours
n = number of pointsA = area in question
Significance Graph
0 10 20 30 40 50 60 70 80 90 100
0
0.5
1.0
1.5
2.02.15
Significantly random
Significantly clustered
Significantly regular
Number of points (n)
Clustered
Random
Regular
Rn values
-
8/22/2019 A2AS GEOG REVISED PP January 2010 as 1 Physical Geography 6469
6/28
5390 6 [Turn over
Examiner Only
Marks Remark
(iii) Having completed your statistical work, suggest possible
geographical reasons for the outcome obtained. Your
explanation should include reference to relevant geographical
theory or concepts.
___________________________________________________
___________________________________________________
___________________________________________________
___________________________________________________
___________________________________________________
___________________________________________________
___________________________________________________
___________________________________________________
___________________________________________________
___________________________________________________
___________________________________________________
___________________________________________________
___________________________________________________
___________________________________________________
___________________________________________________
_________________________________________________ [8]
-
8/22/2019 A2AS GEOG REVISED PP January 2010 as 1 Physical Geography 6469
7/28
5390 7 [Turn over
Examiner Only
Marks Remark
(c) Select one of the factors from the list below and explain how it would
have influenced the reliability of the data which you collected.
l Sampling method
l Time of year
l Prevailing weather conditions
l Group organisation
l Time of day l Type of equipment
_______________________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
_____________________________________________________ [4]
(d) Explain one way in which your data collection could be extended to
explore further the aim of your fieldwork.
_______________________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
_____________________________________________________ [4]
-
8/22/2019 A2AS GEOG REVISED PP January 2010 as 1 Physical Geography 6469
8/28
5390 8 [Turn over
Examiner Only
Marks Remark
Section B
Answerall three questions in this section.
2 (a) Describe how a river transports material by the process ofsaltation.
_______________________________________________________
_______________________________________________________
_______________________________________________________
_____________________________________________________ [2]
(b) Study Resource 2 which shows the annual deaths and the cost of
damage caused by flooding in the USA (19251990).
Resource 2
Figure from Smith, K. (1993) Riverine flood hazard, Geography, 78, 2, pp. 182-185
Damage
Deaths
Trend lines10000
1000
100
10
11930 1940 1950 1960 1970 1980 1990
Year
0
100
200
300
400
500
600
Damage(US$100million)
Deaths
-
8/22/2019 A2AS GEOG REVISED PP January 2010 as 1 Physical Geography 6469
9/28
5390 9 [Turn over
Examiner Only
Marks Remark
(i) Describe and explain the trends shown in Resource 2.
___________________________________________________
___________________________________________________
___________________________________________________
___________________________________________________
___________________________________________________
___________________________________________________
___________________________________________________
___________________________________________________
___________________________________________________
___________________________________________________
___________________________________________________
_________________________________________________ [6]
(ii) Explain two ways in which the equivalent data for flooding in
an LEDC, such as Bangladesh, might be different from the data
shown in Resource 2.
___________________________________________________
___________________________________________________
___________________________________________________
___________________________________________________
___________________________________________________
___________________________________________________
___________________________________________________
_________________________________________________ [4]
-
8/22/2019 A2AS GEOG REVISED PP January 2010 as 1 Physical Geography 6469
10/28
5390 10 [Turn over
Examiner Only
Marks Remark
3 Study Resource 3 which shows an incomplete diagram of the nutrient
cycle in an area of mid-latitude grasslands.
Resource 3
Source: adapted from a variety of sources
(a) (i) Complete the diagram by labelling the remaining four transfers of
the nutrient cycle. [4]
Soil
Biomass
Uptakeby plantsLitter
PrecipitationStore
Transfer
Tissu
efall
out
-
8/22/2019 A2AS GEOG REVISED PP January 2010 as 1 Physical Geography 6469
11/28
5390 11 [Turn over
Examiner Only
Marks Remark
(ii) Explain why soil is the largest of the three stores in this
ecosystem.
___________________________________________________
___________________________________________________
___________________________________________________
___________________________________________________
___________________________________________________
_________________________________________________ [3]
(b) Describe and explain the changes in soil characteristics which occur
during plant succession to produce climatic climax vegetation.
_______________________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
_____________________________________________________ [5]
-
8/22/2019 A2AS GEOG REVISED PP January 2010 as 1 Physical Geography 6469
12/28
BLANK PAGE
5390 12 [Turn over
-
8/22/2019 A2AS GEOG REVISED PP January 2010 as 1 Physical Geography 6469
13/28
4 Study Resource 4A showing a simplified atmospheric circulation for one hemisphere.
Resource 4A
CCEA
(a) On Resource 4A name the three circulation cells X, Y and Z and
indicate whether the pressure would be high orlow at latitudes 30
and 60. [4]
5390 13 [Turn over
Examiner Only
Marks Remark
X Y Z
0 30 60 90
pressure pressure
-
8/22/2019 A2AS GEOG REVISED PP January 2010 as 1 Physical Geography 6469
14/28
5390 14 [Turn over
(b) Study Resource 4B, showing the weather associated with a frontal
depression, which has formed over the North Atlantic and moved from
west to east.
Resource 4B
5
5
5
7
6
6
10
LOW
cold air
cold air
warm air
976
980
984
988
992
996
1000
Heavy
rain
Light to
moderate
rain200km
N
1200 January 30
Direction of movement of
pressure system (approx 30-40 km/h)
Warm front
Cold front
Occluded front
Wind direction and speed, cloud cover
Rain area
Pressure in millibars
Adapted with the permission of Nelson Thornes Ltd from Essential Geography AS
ISBN 978 0 7487 5175 4 (Ross, Morgan & Heelas) first published in 2000
Pressure in millibars
-
8/22/2019 A2AS GEOG REVISED PP January 2010 as 1 Physical Geography 6469
15/28
5390 15 [Turn over
Examiner Only
Marks Remark
(i) Describe and explain the sequence of weather that Ireland has
experienced during the previous 24 hours.
___________________________________________________
___________________________________________________
___________________________________________________
___________________________________________________
___________________________________________________
___________________________________________________
___________________________________________________
___________________________________________________
___________________________________________________
___________________________________________________
___________________________________________________
_________________________________________________ [6]
(ii) State one beneficial and one detrimental effect of frontal
depressions on people.
___________________________________________________
___________________________________________________
___________________________________________________
_________________________________________________ [2]
-
8/22/2019 A2AS GEOG REVISED PP January 2010 as 1 Physical Geography 6469
16/28
Examiner Only
Marks Remark
5390 16 [Turn over
Section C
Answerany two questions in this section.
5 With the aid of annotated diagrams, describe and explain the river
processes involved in the formation of:
l a waterfall; l one type of delta. [12]
6 With reference to a national/regional case study, explain the impact of
monoculture and attempts to manage an area of mid-latitude grasslands.
[12]
7 For a named hurricane event, describe the effects of the hurricane on
people and property and evaluate the effectiveness of the protective
measures used to reduce loss of life and damage to property. [12]
-
8/22/2019 A2AS GEOG REVISED PP January 2010 as 1 Physical Geography 6469
17/28
Question
Number
5390 17 [Turn over
Number your answers clearly
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
-
8/22/2019 A2AS GEOG REVISED PP January 2010 as 1 Physical Geography 6469
18/28
Question
Number
5390 18 [Turn over
Number your answers clearly
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
-
8/22/2019 A2AS GEOG REVISED PP January 2010 as 1 Physical Geography 6469
19/28
Question
Number
5390 19 [Turn over
Number your answers clearly
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
-
8/22/2019 A2AS GEOG REVISED PP January 2010 as 1 Physical Geography 6469
20/28
Question
Number
5390 20 [Turn over
Number your answers clearly
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
-
8/22/2019 A2AS GEOG REVISED PP January 2010 as 1 Physical Geography 6469
21/28
Question
Number
5390 21 [Turn over
Number your answers clearly
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
-
8/22/2019 A2AS GEOG REVISED PP January 2010 as 1 Physical Geography 6469
22/28
Question
Number
5390 22 [Turn over
Number your answers clearly
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
-
8/22/2019 A2AS GEOG REVISED PP January 2010 as 1 Physical Geography 6469
23/28
Question
Number
5390 23 [Turn over
Number your answers clearly
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
-
8/22/2019 A2AS GEOG REVISED PP January 2010 as 1 Physical Geography 6469
24/28
Question
Number
5390 24 [Turn over
Number your answers clearly
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
-
8/22/2019 A2AS GEOG REVISED PP January 2010 as 1 Physical Geography 6469
25/28
Question
Number
5390 25 [Turn over
Number your answers clearly
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
-
8/22/2019 A2AS GEOG REVISED PP January 2010 as 1 Physical Geography 6469
26/28
Examiner Only
Marks Remark
Number your answers clearly
_______________________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
Question
Number
5390 26 [Turn over
-
8/22/2019 A2AS GEOG REVISED PP January 2010 as 1 Physical Geography 6469
27/28
Examiner Only
Marks Remark
Number your answers clearly
_______________________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
Question
Number
5390 27 [Turn over
-
8/22/2019 A2AS GEOG REVISED PP January 2010 as 1 Physical Geography 6469
28/28
Permission to reproduce all copyright material has been applied for.In some cases, efforts to contact copyright holders may have been unsuccessful and CCEA