North Bahr-al-Ghazal: region in South Sudan
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 North Bahr-al-Ghazal, South Sudan on the sprawlmap
Most recent snapshot: Taking into account the entire (i.e. aggregate) street network in North Bahr-al-Ghazal as of 2014, the overall level of street-network sprawl is 3.35, which is highly disconnected.
Trends in street network construction: The SNDis of street construction for the respective time periods are 2.62, 1.0, 3.05 and 3.71. The disconnectivity of new streets constructed in North Bahr-al-Ghazal fell, then rose. In 1976-1990, new street layouts were the most connected.
Quantity of street network construction: The street network in North Bahr-al-Ghazal spans a total of 1284 kilometers. It is dominated by roads constructed in 2001-2014. These roads have an SNDi of 3.71, 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 2.62, 1.67, 2.17 and 3.35. The SNDi of the aggregate street network in fell at first, but North Bahr-al-Ghazal has worsened in disconnectivity since 1990.
The level of street-network sprawl in new development in North Bahr-al-Ghazal was at its lowest in 1976-1990. To get a sense of how street development has changed in North Bahr-al-Ghazal, we can consider two of its most populous cities: Aweil and Malualkon. None of the most populous cities follow the same trend as the region. The level of street-network sprawl in new development in Aweil peaked in 1991-2000. The level of street-network sprawl in new development in Malualkon followed a zig-zag trend.
How do development practices in North Bahr-al-Ghazal fare in comparison to others in South Sudan? Most recently in 2001-2014, street construction in North Bahr-al-Ghazal was the 4th-most disconnected out of the 10 regions in South Sudan. Its position in the ranks since 1975 has not changed. North Bahr-al-Ghazal ranked 4th in 1975, 6th in 1976-1990, 5th in 1991-2000 and 4th in 2001-2014.
As of 2014, the city with the most disconnected street network in North Bahr-al-Ghazal is Malualkon with an SNDi of 2.31, which is in the 40th to 60th percentile of disconnectedness. Conversely, the most connected city is Aweil with an SNDi of 0.66, which is relatively well-connected. See trends for these cities: Aweil, Malualkon
The level of street-network sprawl in the aggregate network in North Bahr-al-Ghazal was at its lowest in 1976-1990. To get a sense of how the aggregate street network has changed in North Bahr-al-Ghazal, we can consider two of its most populous cities: Aweil and Malualkon. None of the most populous cities follow the same trend as the region. The level of street-network sprawl in the aggregate network in Aweil rose steadily. The level of street-network sprawl in the aggregate network in Malualkon followed a zig-zag trend.
To date, North Bahr-al-Ghazal is the 5th-most disconnected out of the 10 regions in South Sudan. Its position in the ranks since 1975 has fallen; relative to other regions in South Sudan, the street network in North Bahr-al-Ghazal has become more connected. North Bahr-al-Ghazal ranked 4th in 1975, 5th in 1976-1990, 6th in 1991-2000 and 5th in 2001-2014.