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Figure 7.2 Wind Roses for Bohicon, 1989, 1990, 1994, 1997 and 1998<br />

330°<br />

0° 10°<br />

1500<br />

20°<br />

30°<br />

330°<br />

0° 10°<br />

1500<br />

20°<br />

30°<br />

320°<br />

1200<br />

40°<br />

320°<br />

1200<br />

40°<br />

310°<br />

50°<br />

310°<br />

50°<br />

290°<br />

300°<br />

340° 350° 900<br />

600<br />

300<br />

60°<br />

70°<br />

290°<br />

300°<br />

340° 350° 900<br />

600<br />

300<br />

60°<br />

70°<br />

280°<br />

80°<br />

280°<br />

80°<br />

270°<br />

90°<br />

270°<br />

90°<br />

260°<br />

100°<br />

260°<br />

100°<br />

250°<br />

110°<br />

250°<br />

110°<br />

240°<br />

120°<br />

240°<br />

120°<br />

230°<br />

130°<br />

230°<br />

130°<br />

220°<br />

140°<br />

220°<br />

140°<br />

210°<br />

150°<br />

200°<br />

160°<br />

190° 180° 170°<br />

0 3 6 10 16 (knots)<br />

210°<br />

150°<br />

200°<br />

160°<br />

190° 180° 170°<br />

0 3 6 10 16 (knots)<br />

Wind speed<br />

Wind speed<br />

0<br />

1.5 3.1 5.1 8.2<br />

(m/s)<br />

0<br />

1.5 3.1 5.1 8.2<br />

(m/s)<br />

1989 1990<br />

330°<br />

0° 10°<br />

2500<br />

20°<br />

30°<br />

330°<br />

0° 10°<br />

2000<br />

20°<br />

30°<br />

320°<br />

310°<br />

340° 350° 500<br />

2000<br />

40°<br />

50°<br />

320°<br />

310°<br />

340° 350° 500<br />

1500<br />

40°<br />

50°<br />

300°<br />

1500<br />

60°<br />

300°<br />

1000<br />

60°<br />

290°<br />

1000<br />

70°<br />

290°<br />

70°<br />

280°<br />

80°<br />

280°<br />

80°<br />

270°<br />

90°<br />

270°<br />

90°<br />

260°<br />

100°<br />

260°<br />

100°<br />

250°<br />

110°<br />

250°<br />

110°<br />

240°<br />

120°<br />

240°<br />

120°<br />

230°<br />

130°<br />

230°<br />

130°<br />

220°<br />

140°<br />

210°<br />

150°<br />

200°<br />

160°<br />

190° 180° 170°<br />

0 3 6 10 16 (knots)<br />

Wind speed<br />

220°<br />

140°<br />

210°<br />

150°<br />

200°<br />

160°<br />

190° 180° 170°<br />

0 3 6 10 16 (knots)<br />

Wind speed<br />

0<br />

1.5 3.1 5.1 8.2<br />

(m/s)<br />

0<br />

1.5 3.1 5.1 8.2<br />

(m/s)<br />

1994 1997<br />

330°<br />

0° 10°<br />

20°<br />

30°<br />

40°<br />

50°<br />

290°<br />

300°<br />

340° 350° 900<br />

600<br />

300<br />

1500<br />

320°<br />

1200<br />

310°<br />

60°<br />

70°<br />

280°<br />

80°<br />

270°<br />

90°<br />

260°<br />

100°<br />

250°<br />

110°<br />

240°<br />

230°<br />

220°<br />

140°<br />

210°<br />

150°<br />

200°<br />

160°<br />

190° 180° 170°<br />

0 3 6 10 16 (knots)<br />

Wind speed<br />

130°<br />

120°<br />

0 1.5 3.1 5.1 8.2 (m/s)<br />

1998<br />

Source: Bohicon meteorological station<br />

Terrain Data<br />

The terrain surrounding an emission source can significantly affect dispersion,<br />

particularly where there are hills and valleys which will tend to divert and<br />

funnel winds and therefore the plume trajectory. Terrain effects are typically<br />

significant where there are sustained gradients of greater than 1:10 in the<br />

AZURA EDO IPP<br />

7-15<br />

DRAFT EIA REPORT

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