David Haynes II & Marc P. Armstrong
Population Reallocation Methods to Support Emergency Evacuation Planning
The U.S. Census, first conducted in 1790, was devised to count the residential population for the purpose of Congressional representation. Today the census data are being used for disaster management planning. It wasn’t until the 2000 census that night-time and daytime populations were reported. In this article David Haynes and Marc P. Armstrong explain their method for creating time-based population distribution.
David Haynes II & Marc P. Armstrong, posted on
March 16th, 2009
Articles, Disasters
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NASA Image of the Day
Fourmile Canyon Fire
The Fourmile Canyon Fire continued to burn west of Boulder, Colo., in this image taken on Sept. 7, 2010, casting a long line of smoke to the east that was visible from NASA's Aqua satellite in its orbit around the Earth. MODIS, the Moderate Resolution Imaging Spectroradiometer, on NASA’s Aqua satellite captured this natural-color image of the fire at 2:40 p.m. local time (20:40 UTC) on Sept. 7. The red outline corresponds with the unusually high surface temperatures associated with an active fire. The thick smoke plume flows eastward. Over the plains northeast of Denver, the smoke plume casts a shadow to the north. By early morning on Sept. 8, thousands of people had abandoned their homes while the battle against the blaze continued. Image Credit: NASA/MODIS
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