Al-Ubayyid: city in North Kurdufan, 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 Al-Ubayyid, Sudan on the sprawlmap
Most recent snapshot: Taking into account the entire (i.e. aggregate) street network in Al-Ubayyid as of 2014, the overall level of street-network sprawl is 0.14, which is very well-connected.
Trends in street network construction: The SNDis of street construction for the respective time periods are 0.15, 0.16, -0.09 and 0.17. Disconnectivity in street construction in Al-Ubayyid follows a zig-zag trend. In 1991-2000, street construction was most disconnected, while construction was most connected in 2001-2014.
Quantity of street network construction: The street network in Al-Ubayyid spans a total of 1097 kilometers. It is dominated by roads constructed in 2001-2014. These roads have an SNDi of 0.17, 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 0.15, 0.16, 0.1 and 0.14. Disconnectivity in Al-Ubayyid's street network follows a zig-zag trend. In 1991-2000, the city was most disconnected; while it was most connected in 1976-1990.
Al-Ubayyid and North Kurdufan do not follow the same trend in the disconnectivity of their street network constructions. The SNDi in Al-Ubayyid followed a zig-zag trend with an overall increase, while the SNDi of street constructions in North Kurdufan followed a zig-zag trend with an overall increase.
How do development practices in Al-Ubayyid fare in comparison to others in North Kurdufan? Most recently in 2001-2014, street construction in Al-Ubayyid was the 1st-most disconnected out of the 4 cities in North Kurdufan. Its position in the ranks since 1975 has risen; relative to other cities in North Kurdufan, street construction in Al-Ubayyid has become more disconnected. Al-Ubayyid ranked 2nd in 1975, 3rd in 1976-1990, 3rd in 1991-2000 and 1st in 2001-2014.
Al-Ubayyid and Sudan do not follow the same trend in the disconnectivity of their street network constructions. The SNDi in Al-Ubayyid followed a zig-zag trend with an overall increase, while the SNDi of street constructions in Sudan peaked in 1991-2000.
How do development practices in Al-Ubayyid fare in comparison to others in Sudan? Most recently in 2001-2014, street construction in Al-Ubayyid was the 45th-most disconnected out of the 63 cities in Sudan. Its position in the ranks since 1975 has fallen; relative to other cities in Sudan, street construction in Al-Ubayyid has become more connected. Al-Ubayyid ranked 24th in 1975, 29th in 1976-1990, 34th in 1991-2000 and 45th in 2001-2014.
Al-Ubayyid and North Kurdufan do not follow the same trend in the disconnectivity of their aggregate street networks. The SNDi in Al-Ubayyid followed a zig-zag trend with an overall decrease, while the SNDi of street constructions in North Kurdufan was at its lowest in 1976-1990.
To date, Al-Ubayyid is the 3rd-most disconnected out of the 4 cities in North Kurdufan. Its position in the ranks since 1975 has fallen; relative to other cities in North Kurdufan, the street network in Al-Ubayyid has become more connected. Al-Ubayyid ranked 2nd in 1975, 3rd in 1976-1990, 3rd in 1991-2000 and 3rd in 2001-2014.
Al-Ubayyid and Sudan do not follow the same trend in the disconnectivity of their aggregate street networks. The SNDi in Al-Ubayyid followed a zig-zag trend with an overall decrease, while the SNDi of street constructions in Sudan rose steadily.
To date, Al-Ubayyid is the 50th-most disconnected out of the 63 cities in Sudan. Its position in the ranks since 1975 has fallen; relative to other cities in Sudan, the street network in Al-Ubayyid has become more connected. Al-Ubayyid ranked 24th in 1975, 35th in 1976-1990, 39th in 1991-2000 and 50th in 2001-2014.
As of 2015, Al-Ubayyid had a built-up area of 31.31 square kilometers, and a population of 680618 people.
These are some other cities with approximately the same population: