Şirvan: city in Aran, Azerbaijan
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 Şirvan, Azerbaijan on the sprawlmap
Most recent snapshot: Taking into account the entire (i.e. aggregate) street network in Şirvan as of 2014, the overall level of street-network sprawl is 4.63, which is highly disconnected.
Trends in street network construction: The SNDis of street construction for the respective time periods are 5.91, 4.15, 3.22 and 5.23. The disconnectivity of new streets constructed in Şirvan fell, then rose. In 1991-2000, new street layouts were the most connected.
Quantity of street network construction: The street network in Şirvan spans a total of 171 kilometers. It is dominated by roads constructed in 1976-1990. These roads have an SNDi of 4.15, 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 5.91, 4.83, 4.58 and 4.63. The SNDi of the aggregate street network in fell at first, but Şirvan has worsened in disconnectivity since 2000.
Şirvan and Aran do not follow the same trend in the disconnectivity of their street network constructions. The SNDi in Şirvan was at its lowest in 1991-2000, while the SNDi of street constructions in Aran followed a zig-zag trend with an overall decrease.
How do development practices in Şirvan fare in comparison to others in Aran? Most recently in 2001-2014, street construction in Şirvan was the 1st-most disconnected out of the 6 cities in Aran. Its position in the ranks since 1975 has not changed. Şirvan ranked 1st in 1975, 1st in 1976-1990, 3rd in 1991-2000 and 1st in 2001-2014.
Şirvan and Azerbaijan do not follow the same trend in the disconnectivity of their street network constructions. The SNDi in Şirvan was at its lowest in 1991-2000, while the SNDi of street constructions in Azerbaijan was at its lowest in 1976-1990.
How do development practices in Şirvan fare in comparison to others in Azerbaijan? Most recently in 2001-2014, street construction in Şirvan was the 1st-most disconnected out of the 16 cities in Azerbaijan. Its position in the ranks since 1975 has not changed. Şirvan ranked 1st in 1975, 4th in 1976-1990, 7th in 1991-2000 and 1st in 2001-2014.
Şirvan and Aran do not follow the same trend in the disconnectivity of their aggregate street networks. The SNDi in Şirvan was at its lowest in 1991-2000, while the SNDi of street constructions in Aran followed a zig-zag trend with an overall decrease.
To date, Şirvan is the 1st-most disconnected out of the 6 cities in Aran. Its position in the ranks since 1975 has not changed. Şirvan ranked 1st in 1975, 2nd in 1976-1990, 2nd in 1991-2000 and 1st in 2001-2014.
Şirvan and Azerbaijan follow the same trend in the disconnectivity of their aggregate street networks. The SNDi for both of these was at its lowest in 1991-2000.
To date, Şirvan is the 3rd-most disconnected out of the 16 cities in Azerbaijan. Its position in the ranks since 1975 has fallen; relative to other cities in Azerbaijan, the street network in Şirvan has become more connected. Şirvan ranked 1st in 1975, 5th in 1976-1990, 5th in 1991-2000 and 3rd in 2001-2014.
As of 2015, Şirvan had a built-up area of 5.71 square kilometers, and a population of 89793 people.
These are some other cities with approximately the same population: