Colour Plate - Meteorological and Air Quality Models for Urban Areas - page 159

5m/s

(u,w) y = 115030 m North

5m/s (u,w) y=115030mNorth

TP
301
300
299
298
297
296
295

500

500

400

400

300

300

200

200

100

100

0

0

845000 850000 855000

850000
X

855000

845000

East West East

X

West

5m/s

5m/s

(v,w) x = 846610 m East (v,w) x = 846610 m East

500 500

400

400

300

300

200

200

100

100

0 0

110000 115000 120000 110000 115000 120000

North

South South North

Y

Y

(a) (b)

Plate 11 ( a ) Vertical W-E ( top )andS-N( bottom ) cross-sections of the atmospheric boundary
layer potential temperature and wind fields - same situation as Fig. 6.9, actual situation; ( b ) alter-
nate simulation without the city. The white lines indicate the position of Fig. 6.11 city centre
vertical profiles (2 and 4) (See also Figure 6.10 on page 55)

Plate 12 Land-use fraction at 1 km resolution over SE England (centred on London) derived from
CEH data (a) urban (b) C3 grass (i.e. grass and crops) (See also Figure 9.1 on page 79)