The study separated population growth into four distinct patterns: established metropolitan areas, new destinations, fast-growing hubs and small places.
Since the 1970s, various schemes for high-speed rail have been advanced in the United States, where widely separated population centres and relatively low fossil-fuel costs have tended to make politicians more willing to subsidize highway and air travel than rail travel.
Secondly, this study separated population density into daytime and nighttime densities and transit availability into bus and metro facility densities.
He separated population into nighttime (residential) population, daytime residential population, daytime worker and student population, and ambient population.
They were victims of circumstance and bad luck; their incapacity to adapt and form a cohesive, evolving culture was a function of their limited and geographically separated population.
Next, for each session we found the linear discriminant that best separated population state vectors according to whether they came from a long or a short interval trial.
