11.08.2013 Views

Outdoor Lighting and Crime - Amper

Outdoor Lighting and Crime - Amper

Outdoor Lighting and Crime - Amper

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

POPULATION, thous<strong>and</strong>s<br />

FIGURE 8. POPULATION AND UPWARD LIGHT ENERGY LOSS<br />

IN USA CITIES<br />

8000<br />

7000<br />

6000<br />

5000<br />

4000<br />

3000<br />

2000<br />

1000<br />

0<br />

0 20 40 60 80 100 120 140 160<br />

ANNUAL LIGHT ENERGY LOSS, GW.h<br />

Figure 8. Population <strong>and</strong> annual upward light energy loss for 21 USA cities. Numerical data<br />

are in Tables 5 <strong>and</strong> 6. The top right data point is for New York City. From the right, the<br />

three outlier points between 130 <strong>and</strong> 60 on the light loss scale are for Minneapolis, St Louis<br />

<strong>and</strong> Kansas City MO, each of which had snow cover at the time of satellite observation.<br />

175

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!