Erin-osun: city in Osun, Nigeria
What exactly constitutes the spatial extent of the city? For these aggregations, we used the Global Human Settlement Layer Urban Center Database (GHS-UCDB) to define the boundaries of the city. These cities -- or urban centers -- cover areas that are densely populated and built-up, and so may extend beyond the spatial borders of these cities that we may be familiar with. The GHS area is shaded in blue.
View Erin-osun, Nigeria on the sprawlmap
Most recent snapshot: Taking into account the entire (i.e. aggregate) street network in Erin-osun as of 2014, the overall level of street-network sprawl is 3.41, which is highly disconnected.
Trends in street network construction: The SNDis of street construction for the respective time periods are 1.68, 2.51, 4.0 and 4.95. In each period, new street development in Erin-osun steadily grows more disconnected than in the last.
Quantity of street network construction: The street network in Erin-osun spans a total of 303 kilometers. The period with the greatest volume of street construction was 2001-2014. These roads have an SNDi of 4.95, which is highly disconnected.
Effect on the aggregate network: New construction in each period adds to the total stock of streets, but does not change streets that have already been built. Therefore, it has a limited effect on the street network as a whole. The SNDis of the aggregate street network in the respective time periods are 1.68, 1.99, 2.8 and 3.41. Overall, the SNDi of the aggregate street network has risen: the street network in Erin-osun has become more disconnected.
Erin-osun and Osun follow the same trend in the disconnectivity of their street network constructions. The SNDi for both of these rose steadily.
How do development practices in Erin-osun fare in comparison to others in Osun? Most recently in 2001-2014, street construction in Erin-osun was the 10th-most disconnected out of the 15 cities in Osun. Its position in the ranks since 1975 has not changed. Erin-osun ranked 10th in 1975, 12th in 1976-1990, 9th in 1991-2000 and 10th in 2001-2014.
Erin-osun and Nigeria do not follow the same trend in the disconnectivity of their street network constructions. The SNDi in Erin-osun rose steadily, while the SNDi of street constructions in Nigeria peaked in 1991-2000.
How do development practices in Erin-osun fare in comparison to others in Nigeria? Most recently in 2001-2014, street construction in Erin-osun was the 84th-most disconnected out of the 411 cities in Nigeria. Its position in the ranks since 1975 has risen; relative to other cities in Nigeria, street construction in Erin-osun has become more disconnected. Erin-osun ranked 104th in 1975, 130th in 1976-1990, 89th in 1991-2000 and 84th in 2001-2014.
Erin-osun and Osun follow the same trend in the disconnectivity of their aggregate street networks. The SNDi for both of these rose steadily.
To date, Erin-osun is the 11th-most disconnected out of the 15 cities in Osun. Its position in the ranks since 1975 has fallen; relative to other cities in Osun, the street network in Erin-osun has become more connected. Erin-osun ranked 10th in 1975, 13th in 1976-1990, 11th in 1991-2000 and 11th in 2001-2014.
Erin-osun and Nigeria follow the same trend in the disconnectivity of their aggregate street networks. The SNDi for both of these rose steadily.
To date, Erin-osun is the 101st-most disconnected out of the 411 cities in Nigeria. Its position in the ranks since 1975 has risen; relative to other cities in Nigeria, the street network in Erin-osun has become more disconnected. Erin-osun ranked 104th in 1975, 154th in 1976-1990, 107th in 1991-2000 and 101st in 2001-2014.
As of 2015, Erin-osun had a built-up area of 15.62 square kilometers, and a population of 277375 people.
These are some other cities with approximately the same population: