Doba: city in Logone Oriental, Chad
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 Doba, Chad on the sprawlmap
Most recent snapshot: Taking into account the entire (i.e. aggregate) street network in Doba as of 2014, the overall level of street-network sprawl is 0.95, which is relatively well-connected.
Trends in street network construction: The SNDis of street construction for the respective time periods are 0.38, 0.85, 1.41 and 2.48. In each period, new street development in Doba steadily grows more disconnected than in the last.
Quantity of street network construction: The street network in Doba spans a total of 110 kilometers. It is dominated by roads constructed prior to 1975. These roads have an SNDi of 0.38, which is very well-connected.
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 0.38, 0.4, 0.53 and 0.95. Overall, the SNDi of the aggregate street network has risen: the street network in Doba has become more disconnected.
Doba and Logone Oriental 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 Doba fare in comparison to others in Logone Oriental? Most recently in 2001-2014, street construction in Doba was the 1st-most disconnected out of the 3 cities in Logone Oriental. Its position in the ranks since 1975 has not changed. Doba ranked 1st in 1975, 1st in 1976-1990, 1st in 1991-2000 and 1st in 2001-2014.
Doba and Chad do not follow the same trend in the disconnectivity of their street network constructions. The SNDi in Doba rose steadily, while the SNDi of street constructions in Chad peaked in 1976-1990.
How do development practices in Doba fare in comparison to others in Chad? Most recently in 2001-2014, street construction in Doba was the 2nd-most disconnected out of the 26 cities in Chad. Its position in the ranks since 1975 has risen; relative to other cities in Chad, street construction in Doba has become more disconnected. Doba ranked 4th in 1975, 4th in 1976-1990, 6th in 1991-2000 and 2nd in 2001-2014.
Doba and Logone Oriental follow the same trend in the disconnectivity of their aggregate street networks. The SNDi for both of these rose steadily.
To date, Doba is the 1st-most disconnected out of the 3 cities in Logone Oriental. Its position in the ranks since 1975 has not changed. Doba ranked 1st in 1975, 1st in 1976-1990, 1st in 1991-2000 and 1st in 2001-2014.
Doba and Chad follow the same trend in the disconnectivity of their aggregate street networks. The SNDi for both of these rose steadily.
To date, Doba is the 5th-most disconnected out of the 26 cities in Chad. Its position in the ranks since 1975 has fallen; relative to other cities in Chad, the street network in Doba has become more connected. Doba ranked 4th in 1975, 7th in 1976-1990, 7th in 1991-2000 and 5th in 2001-2014.
As of 2015, Doba had a built-up area of 3.6 square kilometers, and a population of 195469 people.
These are some other cities with approximately the same population: