North Kurdufan: region in 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 Kurdufan, Sudan on the sprawlmap
Most recent snapshot: Taking into account the entire (i.e. aggregate) street network in North Kurdufan as of 2014, the overall level of street-network sprawl is 1.31, which is relatively well-connected.
Trends in street network construction: The SNDis of street construction for the respective time periods are 1.07, 0.98, 1.49 and 1.43. Disconnectivity in street construction in North Kurdufan follows a zig-zag trend. In 1976-1990, street construction was most disconnected, while construction was most connected in 1991-2000.
Quantity of street network construction: The street network in North Kurdufan spans a total of 4798 kilometers. It is dominated by roads constructed in 2001-2014. These roads have an SNDi of 1.43, which is relatively 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 1.07, 0.98, 1.21 and 1.31. The SNDi of the aggregate street network in fell at first, but North Kurdufan has worsened in disconnectivity since 1990.
The level of street-network sprawl in new development in North Kurdufan followed a zig-zag trend with an overall increase. To get a sense of how street development has changed in North Kurdufan, we can consider three of its most populous cities: Al-Ubayyid, Umm Ruwaba and Barah. None of the most populous cities follow the same trend as the region. The level of street-network sprawl in new development in Al-Ubayyid followed a zig-zag trend with an overall increase. The level of street-network sprawl in new development in Umm Ruwaba peaked in 1991-2000. The level of street-network sprawl in new development in Barah followed a zig-zag trend.
How do development practices in North Kurdufan fare in comparison to others in Sudan? Most recently in 2001-2014, street construction in North Kurdufan was the 12th-most disconnected out of the 17 regions in Sudan. Its position in the ranks since 1975 has fallen; relative to other regions in Sudan, street construction in North Kurdufan has become more connected. North Kurdufan ranked 10th in 1975, 11th in 1976-1990, 10th in 1991-2000 and 12th in 2001-2014.
As of 2014, the city with the most disconnected street network in North Kurdufan is Al Rahad with an SNDi of 0.39, which is very well-connected. Conversely, the most connected city is Barah with an SNDi of -0.18, which is very well-connected. See trends for these cities: Barah, Al Rahad
The level of street-network sprawl in the aggregate network in North Kurdufan was at its lowest in 1976-1990. To get a sense of how the aggregate street network has changed in North Kurdufan, we can consider three of its most populous cities: Al-Ubayyid, Umm Ruwaba and Barah. None of the most populous cities follow the same trend as the region. The level of street-network sprawl in the aggregate network in Al-Ubayyid followed a zig-zag trend with an overall decrease. The level of street-network sprawl in the aggregate network in Umm Ruwaba peaked in 1991-2000. The level of street-network sprawl in the aggregate network in Barah followed a zig-zag trend.
To date, North Kurdufan is the 14th-most disconnected out of the 17 regions in Sudan. Its position in the ranks since 1975 has fallen; relative to other regions in Sudan, the street network in North Kurdufan has become more connected. North Kurdufan ranked 10th in 1975, 10th in 1976-1990, 9th in 1991-2000 and 14th in 2001-2014.