JPG File 787K

Figure 3.7
Comparison of 1990 urban areas estimated by a special United Nations survey (Demographic Yearbook, 1995) with the built-up area measured in this remote-sensing study. The lower edge of the white box indicates the city limits area and the upper edge indicates the urban agglomeration area (details of compilation in Table 3.1).

This server is scheduled to be off starting the evening of Thursday October 10 and ending the morning of Tuesday October 15 to accommodate a scheduled power outage.

This service is provided by the International Space Station program and the JSC Astromaterials Research & Exploration Science Directorate. Recommended Citation: Image Science and Analysis Laboratory, NASA-Johnson Space Center. "The Gateway to Astronaut Photography of Earth." .
	NASA Responsible Official: Tracy Calhoun Curator: jsc-earthweb@mail.nasa.gov Contributors: Earth Sciences Web Team	National Aeronautics and Space Administration Lyndon B. Johnson Space Center	International Space Station National Laboratory Last Update:
Server: 1