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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Tweetup at HQ
NASA astronaut TJ Creamer talks about his experience in space during a "Tweetup" at NASA Headquarters, Thursday, July 29, 2010, in Washington. Creamer, who spent 161 days living aboard the International Space Station as part of the Expedition 22/23 crew, set up the orbiting outpost's live Internet connection and posted updates about the mission to his Twitter account, sending the first live tweet from orbit. Image Credit: NASA/Paul E. Alers
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