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SSW
NNE
Figure 8.7
Temperature cross-section of
the urban heat island of
Chester in relation to built-up
area.
Source: Nelder (1985)
5
4
3
0
1
2
km
1
0
Urban area
R ura l
-1
R u ral
-2
river
canal
Dodleston
Westminster
Park
Kingsway
Picton
Centre
8 7
0 2 5 0
33
10
30
36
Metres above sea level
(a) Day
Rural
Urban
Q *
Q *
516
535
156
240
305
Q Ph
150
30
Q G
Q E
Q H
Q E
Q F
Q H
Q G
Q G
148
80
(b) Night
Rural
Urban
80
73
7
13
Q * Q E
Q H Q E
Q *
20
Q H
5
10
Q F
Q G
58
80
Q G
Q G
Figure 8.8 Two-dimensional schematic diagram of the heat balances of urban and rural surfaces (a) by day and (b) by night. Q F
artifical heat release, Q Ph energy use in photosynthesis. The other symbols are as in Figure 8.4.
 
 
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