Post on 22-Nov-2014
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What factors affect our climate?
Geog
raph
y @
Prio
ry
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• Starter: Look at the climate map of the British Isles. Where is the best place to live? Why?
What factors affect our climate?
Geog
raph
y @
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Climate graphs
• In the exam you will have to:– Interpret climate graphs to describe the
climate of an area– You don’t need to be able to draw a climate
graph
What factors affect our climate?
Geog
raph
y @
Prio
ry
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov DecAverage monthly Rainfall (mm)
56 41 46 46 48 53 51 66 51 51 53 53
Average monthly Temperature (°C)
3 3 6 7 11 14 16 16 13 10 6 4
The average temperature in March is 6°C
The average rainfall in September is 51 mm
1. Calculate the total annual rainfall?
2. Calculate the average annual temperature?
3. Calculate the temperature range?
The table below shows the climate data for Leeds.
What factors affect our climate?
Geog
raph
y @
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Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average monthly Rainfall (mm)
56 41 46 46 48 53 51 66 51 51 53 53
Average monthly Temperature (°C)
3 3 6 7 11 14 16 16 13 10 6 4
But how do you represent the data above in the form of a graph?
0
10
20
30
40
50
60
70
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Months
Aver
age
mon
thly
ra
infa
ll (m
m)
The blue bars show average
rainfall
02
468
101214
1618
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Months
Aver
age
mon
thly
te
mpe
ratu
re (°
C)
The red line is the average temperature
0
10
20
30
40
50
60
70
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Months
Aver
age
mon
thly
ra
infa
ll (m
m)
024
681012
141618
Aver
age
mon
thly
te
mpe
ratu
re (°
C)
What factors affect our climate?
Geog
raph
y @
Prio
ry
0
10
20
30
40
50
60
70
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Months
Ave
rage
mon
thly
ra
infa
ll (m
m)
024681012141618
Ave
rage
mon
thly
te
mpe
ratu
re (°
C)The maximum
rainfall is 66 mm and the minimum is 41 mm – a range of 25 mm.
The driest month is February when an average of 41 mm of rain falls.
The wettest month is August when an average of 66 mm of rain falls
The maximum temperature is 16°C and the minimum is 3°C – a range of 13°C.
The coldest months are January and February with an average monthly temperature of 3°C.
The temperature peaks in July and August with an average of 16°C.
Interpreting a climate graphRemember to describe the TRENDS, then minimum and maximum values.
Question 4: Describe the CLIMATE of Leeds
What factors affect our climate?
Geog
raph
y @
Prio
ry
0
10
20
30
40
50
60
70
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Months
Ave
rage
mon
thly
ra
infa
ll (m
m)
024681012141618
Ave
rage
mon
thly
te
mpe
ratu
re (°
C)
Examiners tips when describing climate graphs:•Climate means average temperature and rainfall•State the maximum and minimum values of each•Describe the CHANGE throughout the year•Use figures from the graph: months, temperature, rainfall•Use the units of measurement! – mm and oC
What factors affect our climate?
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raph
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L A D O
L Latitude
A Altitude
D Distance from the sea
O Ocean Currents
What factors affect our climate?
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Latitude
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Altitude
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200m – 8oC
1100m – -1oC
800m – 2oC
What factors affect our climate?
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Prevailing Winds
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Polar Maritime
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Tropical Maritime
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Polar continental
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Tropical continental
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Distance from the sea
What factors affect our climate?
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Ocean Currents
What factors affect our climate?
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What factors affect our climate?
Geog
raph
y @
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ryLook back at the climate maps of
Britain on page 781. Explain the patterns` shown.
2. Can you do the same for selected global climates? (Page 88)